PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 1:Human Body – Parts of the body and their roles for healthy living Topic Knowledge The six food groups Identify the six food groups and their functions. Objectives Skills Group or classify foods. Content Method/Strategies Materials Evaluation Integration The six food groups and their functions are: - carbohydrates: provide energy - proteins: build the body - fats: store energy - mineral and vitamins: provide protection - fibre: aids digestion and helps to clean out the digestive system. 1. Pupils suggest names of types or groups of foods. 2. Teacher and pupils provide samples of foods. 3. Teacher provides pictures of foods from each group. 4. Pupils give function of each food group. 5. Class discusses responses and summarises names of food groups and their functions. Samples of foods, pictures of foods, empty boxes, bottles, wrappers and other food containers, charts/ posters showing food groups. Were pupils able to state the food groups? Health and Family Life Education – Healthy foods. Attitude Appreciate that there is a wide variety of foods. Foods rich in carbohydrates and fats are called go foods because they provide energy for us to work and play, that is, they keep us on the go. Foods high in proteins are called grow foods because they build the body Did information on empty food containers indicate any food groups? Did pupils know the function of each food group? March 2003 1 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 1:Human Body – Parts of the body and their roles for healthy living Topic Knowledge Objectives Skills Content Method/Strategies Materials Evaluation Integration 1. Refer to charts/posters used in previous lesson. 2. Pupils identify the more important food groups. 3. Teacher shares with pupils the guidelines for healthy eating. 4. Pupils work in groups making menus for breakfast, lunch, and dinner. 5. Class discusses the value of a balanced diet. 6. Each pupil prepares a poster using pictures, drawings, etc. of three balanced meals for the family, that is, for breakfast, lunch and dinner. Charts or posters of food groups, cardboard, pictures of different foods, paste. Did pupils identify the more important food groups? Health and Family Life Education – Healthy eating. Attitude as we grow. Foods rich in minerals and vitamins are called glow foods because they keep diseases away and make us glow with good health. A balanced diet Identify and name foods that make up a balanced diet. Discuss the value of a balanced diet. Record meals eaten in a week. Communicate information through posters. Develop the willingness the eat balanced diets. A balanced diet provides the right amount of proteins, carbohydrates, fats, vitamins, minerals, fibre and water. A balanced diet helps to keep us healthy and strong. See Appendix D Did pupils make realistic menu card and posters? Art and Craft – Drawing and collage March 2003 2 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 1:Human Body – Parts of the body and their roles for healthy living Topic Knowledge Objectives Skills Content Method/Strategies Materials Evaluation Integration Model of digestive system. Chart of digestive system. Flash cards with names of parts of digestive system. Did pupils find it easy to identify main parts of the digestive system? Health and Family Life Education – Keeping healthy. Attitude 7. Pupils encourage family members to eat balanced diets. 8. Pupils record the meals eaten for one week and discuss whether they were balanced or not. Main parts of the digestive system. Identify and name the main parts of the digestive system. Discuss the functions of the digestive system. Communicate through diagrams by identifying parts of the digestive system. Demonstrate willingness to treat body organs with care. The main parts of the digestive system and their functions are as follows: Mouth – where food is chewed and mixes with saliva Gullet – down which food travels Stomach – food is further broken down by digestive juices Intestines – useful nutrients are absorbed Anus – undigested food passes through in faeces 1. If available, pupils look at model of the digestive system. 2. Also pupils look at chart or drawing of digestive system. 3. Pupils identify the main parts of digestive system and locate same on model and/or chart. 4. Elicit from pupils, (briefly, not detailed), how the process of digestion occurs. This will serve as an introduction to the functions of the digestive system. 5. Pupils discuss functions of the main parts of the digestive system. Were pupils able to briefly say how digestion occurs? Were pupils able to give at least two functions of the parts of March 2003 3 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 1:Human Body – Parts of the body and their roles for healthy living Topic Knowledge Types of teeth and their functions. Identify and name the types of teeth. State the function of each type of teeth. Objectives Skills Observe the arrangement of the teeth in the mouth. Observe the functions of the different types of teeth. Content Method/Strategies Materials Evaluation Integration Attitude The functions of the digestive system are to provide food nutrients and remove undigested food in faeces. 6. On a large outline drawing of the human body, pupils match flash cards with names of parts of the digestive system to the position of the parts on the body. We have four types of teeth. At the front are the incisors for cutting. Next to these are the canines (eye teeth) for tearing or ripping, then the premolars for grinding, followed by molars also for grinding. 1. Pupils look at a model of a set of teeth (model can be borrowed from a dentist, dental technician or dental clinic.) 2. Pupils look at pictures of teeth. 3. Working in pairs, pupils look at each other’s teeth. 4. Pupils suggest the function of each type of tooth – noting that the function is related to the shape and features of the tooth. the digestive system? Model of set of teeth, chart/ drawings showing types of teeth, crackers/ biscuits. Were pupils able to recognise the different types of teeth? Were pupils able to relate shape and features of each type of tooth to its function? Health and Family Life Education – Healthy living. Art and Craft Drawing teeth March 2003 4 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 1: Human Body – Parts of the body and their roles for healthy living Topic Knowledge Objectives Skills Content Make simple drawings of teeth. Caring for our teeth. Discuss how to care for the teeth. Demonstrate how to care for the teeth. Method/Strategies Materials Evaluation Integration Same as previous lesson. Were pupils able to demonstrate ways to care for their teeth? Health and Family Life Education – Healthy life styles. Attitude 5. Pupils eat cracker given to them by teacher. They then report which teeth were used for what purpose. 6. Pupils make simple drawings of each type of tooth and state its function. Develop healthy dental care habits. Proper care of the teeth is important for good health. This includes, - brushing the teeth properly - brushing teeth after each meal - flossing - eating balanced diets - avoiding too much sweets and confectioneries - visiting the dentist regularly. 1. Pupils state ways to care for their teeth. 2. Pupils demonstrate, where possible, how the caring should be done. 3. Pupils look at charts or posters that illustrate healthy dental care. 4. Pupils are encouraged to share with family members information on dental care habits and to put them into practice. 5. Pupils record in a table their dental care habits for one week. Day Dental Care Sunday am ………….. pm ………….. Monday am …………... etc. pm …………... Charts or posters on dental care. Were pupils willing to discuss practices with family members? Were pupils practising good or healthy dental care habits? March 2003 5 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 2:Animal Kingdom – The variety, features and life processes of animals Topic Knowledge Diets of animals Compare the diets of some common animals. Objectives Skills Group animals according to their diets as herbivores, carnivores and omnivores. Observe features that make animals suited to their diets. Content Method/Strategies Materials Evaluation Integration Preserved specimens of teeth, beaks and claws of some animals. Were pupils familiar with the diets of the animals? Agricultural Science and School Yard Ecology – Diets of animals. Attitude Appreciate that animals differ in their diets. Animals differ in 1. Pupils state what makes up their diets. Some eat the diet of some common mainly plants or animals such a human, plant materials and parrot, frog, cow, pig, crow, are called tiger, hassar, and alligator. herbivores e.g. cow, 2. Pupils summarise their sheep, and parrot. answers in the form of a Animals that eat table. other animals or flesh are called Animal Diet carnivores e.g. tiger ……… …………. and alligator. ……... …………. Animals that eat ……… …………. both plants and animals are called omnivores e.g. 3. Based on the kind of diet, humans and rats. pupils group animals as herbivores, carnivores and Each animal is omnivores. suited to its type of diet. 4. For each group in step 3. Herbivores have flat above, pupils identify teeth mainly for features of the animals that cutting and grinding. make them suited to their Most carnivores diets. have sharp, pointed Pictures of abovestated parts. Were pupils able to relate adaptations to the type of animals? Textbook: Science Around Us, Book 3.Pp.1-18 March 2003 6 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 2:Animal Kingdom – The variety, feature and life process of animals Topic Knowledge Objectives Skills Content Method/Strategies Materials Evaluation Integration Pet animals such as dog, cat and bird animals collected from school yard e.g. ant, Were pupils able to recognise their backbone? School Yard Ecology – Animals in the environment Attitude teeth for tearing or Teacher and pupils to ripping. Some have provide preserved specimens sharp claws or or pictures of: curved beaks for - teeth of different types gripping and and shapes trapping. - beaks and claws of Omnivores have flat, different animals. sharp teeth for cutting, pointed 5. Class summaries features canines for tearing in the form of a table. and flat back teeth Group of Features for grinding. Animals Ref: Science ………. …………. Around Us, Book 3, Pages 1-18 ……… …………. Animals with and without backbones. Recognise that there are two main groups of animals. Observe animals with respect to the presence Group of a animals with backbone backbones as vertebrates Display care and respect for animals. Some animals have a chain of bones running down the centre of the back called its backbone. Each bone is called a vertebra. Such animals are called vertebrates e.g. human, dog, fowl, snake, frog, patwa. 1. Pupils run finger along the centre of the back from the neck to waist to feel bones in their backbone. 2. Pupils can make a model of the backbone by stringing along empty thread reels or short pieces of drinking straws. March 2003 7 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 2:Animal Kingdom – The variety, feature and life process of animals Topic Knowledge and those without backbones as invertebrates. Objectives Skills Content Method/Strategies Materials Evaluation Integration Animals that do not have a backbone are called invertebrates e.g. ant, butterfly, snail, worm, mosquito. 3. Pupils observe at home their pets such as cat, dog and bird, to determine if they have backbones or not. 4. Pupils visit school yard, farm yard or zoo and observe whether animals have backbones or not. 5. From out-of-classroom visit, pupils may collect specimens of ants, butterflies, snails, worms, mosquitoes, etc. and determine if they have backbones or not. 6. Pupils may also look at pictures of animals showing presence or absence of skeletons. butterfly, snail, worm, mosquito, pictures of animals Were pupils able to observe features of other animals? Art and Craft – Making models Attitude Can pupils group animals as vertebrates and invertebrates? March 2003 8 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 3:Plant Kingdom – The variety, features and life processes of plants Topic Knowledge Functions of the main parts of a plant. Discuss the functions of the main parts of a plant. Objectives Skills Observe plants with respect to the functions of parts. Content Method/Strategies Materials Evaluation Integration A plant has five main parts. Each of these parts has a special function. The functions are as follows: Root – keeps the plant firmly in the soil Stem – holds up the leaves and other parts Leaf – makes food for the plant Flower – produces a fruit Fruit – produces a seed or seeds. The seed usually produces a new plant. 1. Pupils visit kitchen garden at home or school garden and observe plants, especially flowering plants. 2. Pupils may bring to class a small potted flowering plant such as pepper or tomato. 3. Pupils observe plants and state the functions of each main part. 4. Teachers refers to potted plant and clarifies any inaccuracies. Kitchen garden, school garden, potted flowering plant e.g. pepper or tomato. Can pupils name the main parts of a plant? Agricultural Science – Functions of parts of plants. Attitude Display care and attention in handling plants. Were pupils able to state functions of these parts of the plant? March 2003 9 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 3:Plant Kingdom – The variety, features and life processes of plants Topic Knowledge Conditions necessary for germination. State the conditions necessary for germination. Objectives Skills Manipulate simple equipment and materials in setting up experiment. Predict what will happen in each apparatus. Make and record observations. Content Method/Strategies Materials Evaluation Integration Seed – bora, bean, corn, paddy, plastic/ glass jar e.g. jam or nut butter, cover or lid for jar, newspaper, newsprint, paper or any absorbent paper, water Did pupils have difficulty in setting up the different apparatus? Agricultural Science – Kitchen gardening, growth of crops. Were pupils able to give reasons for the predictions they made? Rice Farming – Broadcast of soaked paddy grains. Did pupils to make conclusions based on their results? Transplanting of seedlings. Attitude Display attention and care in dealing with plants. A seed germinates into a seedling or young plant. For this to happen the seed needs water, air and warmth. The water is sometimes referred to as moisture and the warmth is a little heat. Seeds will not germinate without water, air and a suitable temperature. This topic may take about two weeks to cover it. Lessons could be about the same as for Grade 1, Unit 3, Pages 10-12. Pupils may work in groups of about 4 – 6. Lesson 1: Setting up experiment (germination apparatus) Lesson 2: Observations made over 10 days, 5 minutes each day Lesson 3: Summarising Observations and results Lesson 1: 1. Pupils set up 4 different germination apparatus as follows: Language Arts Poetry Apparatus A: Normal Conditions - use transparent plastic or glass jar e .g. jam or nut butter March 2003 10 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 3:Plant Kingdom – The variety, features and life processes of plants Topic Knowledge Objectives Skills Content Method/Strategies Materials Evaluation Integration Attitude Make conclusions from results and observations. - - - line the inside of the jar with about three layers of absorbent paper e.g. newspaper or newsprint paper pour water into jar to depth of about 2 cm place a seed between the paper and inner surface of jar at a height of about 2 cm above the water level. Leave jar in the open where it can be observed. Apparatus B: No water Similar to Apparatus A but no water is placed in jar. Apparatus C : No air Similar to Apparatus A but cover or lid secured on jar to restrict air supply. Apparatus D : No warmth Similar to A but jar is placed in fridge or cold place to remove any warmth or heat. March 2003 11 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 3:Plant Kingdom – The variety, features and life processes of plants Topic Knowledge Objectives Skills Content Method/Strategies Materials Evaluation Integration Attitude 2. Pupils make predictions of what will happen in each apparatus, giving reasons for their predictions. Lesson 2 Spread over at least 10 days of 5 minutes each day. 1. Pupils observe daily each of the 4 apparatus and record observations in the form of a table. Day Apparatus Observation 1 A ………. B ……….. C ………... D ………… 2 A …………. etc 2. Pupils discuss their observations and teacher checks these. March 2003 12 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 3:Plant Kingdom – The variety, features and life processes of plants Topic Knowledge Objectives Skills Content Method/Strategies Materials Evaluation Integration Healthy seedlings from previous set of lessons, pots of soil, garden beds, rule/tape measure. Did pupils take care in transplanting seedlings? Agricultural Science – Plants and crop growth. Attitude Lesson 3 1. Groups compare the four different apparatus. 2. Groups share observations in class discussion and compare them with the predictions made in Lesson 1. Some life processes of plants. Discuss three life processes of plants – feeding, growth and reproduction Observe the growth of seedlings into mature plants. Observe and identify life processes displayed by growing plants Display attention and care in handling plants. Seeds germinate into seedlings. As seedlings grow they need light, water and air to make their food and keep alive. Seedlings grow into mature plants. As this happens the seedlings develop more leaves. They will later produce flowers which will develop into fruits containing one or more seeds. This topic may take between 4-6 weeks to complete. However, it can be done alongside lessons inUnit 4, Environment. 1. Pupils will use the healthy growing seedlings of the previous lesson. 2. Pupils may keep some seedlings in the jar and transplant others into a pot with soil or onto a garden bed in the school yard. 3. Pupils will tend to the plants regularly, that is, water them and ensure a regular supply of air and sunlight. Did pupils tend to plants regularly? Mathematics – measuring length Did pupils use ruler or tape measure properly? March 2003 13 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 3:Plant Kingdom – The variety, features and life processes of plants Topic Knowledge Objectives Skills Measure and record the heights of plants. Content Method/Strategies Materials Evaluation Integration Attitude 4. Pupils will compare plants growing in jars with those planted in soil. 5. Pupils will measure the heights of the plants. 6. Pupils will observe the production of flowers and their development into fruits over a period of time. 7. Pupils match their observations with the corresponding life processes. 8. Pupils will make and record their observations twice per week. 8. Pupils to be involved in class discussion on general features of the three life processes of feeding, growth and reproduction. Did pupil observe the changes as the plants grew and parts developed? March 2003 14 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 4:Environment – Components of the environment and their interrelations Topic Knowledge Some common plants and animals and their specific homes. Identify some common plants and animals and their specific homes. Objectives Skills Observe the places where animals and plants live in the environment. Content Method/Strategies Living things, that is, plants and animals, live on land, in water and in the air. However, some living things live in specific places. 1. Pupils are taken on visit to school yard and near-by drain or trench. Due care and safety precautions are to be observed. 2. Pupils observe the range of plants and animals and where they can be found living. 3. Pupils identify and observe where some plants e.g. the water lily, water lettuce, water hyacinth and bird vine live. 4. Pupils identify and observe where some animals e.g. hassar, tilapia, ants and wood ants live. 5. Further information can be had from a visit to a botanical garden, zoo, farm and from books. Materials Evaluation Integration Equipment for visit to school yard. Were pupils familiar with the plants and animals living in specific places? School Yard Ecology – Specific homes for some organisms. Attitude Demonstrate respect for life. Among plants, the water lily, water lettuce and water hyacinth for example, live only in water. The bird vine lives only on plants. Among animals, the hassar, tilapia and manatee, for example, live only in water. Ants and termites (wood ants) live on land. Samples of specific plants and animals where possible. Did teacher and pupils display care and safety precautions? March 2003 15 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 4:Environment – Components of the environment and their interrelations Topic Knowledge Inter – dependence of plants and animals. Recognise that plants and animals depend upon each other. Objectives Skills Observe relationships between plant and animal life in the environment. Content Method/Strategies Materials Evaluation Integration Plants and animals depend upon each other. Many animals depend upon plants for their food. Some animals also eat other animals. 1. Review briefly lesson on diets of animals, that is, herbivores, carnivores and omnivores. 2. Pupils state other relationships between plants and animals e.g. plants serving as homes for birds. 3. Pupils look at a sample of bird vine and note relationship with its host plant. 4. Teacher provides samples of ticks, fleas, lice and mosquitoes for pupils to observe their appearance. Pupils are advised to display due care and safety precautions, such as, not to touch specimens. Pupils discuss the relationship of these organisms and their hosts. 5. Pupils discuss the relationship between other living things e.g. man and dog, cow and egret. Samples of bird vine, ticks, fleas, lice and mosquitoes Pictures showing relationships between plants and animals e.g. bird nest on a tree. Were pupils able to state the relationships between living things? School Yard Ecology – Inter - dependence of plants and animals. Did teacher and pupils display care and safety precautions in handling specimens? Art and Craft – Drawing animlas Attitude Display care and safety in handling living things. Plants also provide shelter or serve as a home for animals, for example, nests for birds. The bird-vine, a plant, lives on other plants as a parasite. Ticks, fleas, lice and mosquitoes live on animals as parasites. Parasites get food or shelter from their hosts. March 2003 16 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 4:Environment – Components of the environment and their interrelations Topic Knowledge Objectives Skills Content Method/Strategies Attitude 17 Materials Evaluation Integration Food chains Identify a simple food chain. Construct a simple food chain. Observe food chains in a pond. Set up and maintain a model pond. Interpret feeding relationships as shown in food chains. Display care and safety in handling living things. Living things depend on each other for food. When one living thing is eaten by another living thing, a food chain is formed. A food chain may include more than two living things, one feeding on the other. 1. Pupils use a large, wide mouth bottle and set up a ‘pond’ with water and as many organisms as possible. 2. Pupils suggest the food source for each organism. 3. Class discusses and agrees on correct food chain for pond organisms. 4. Pupils wear flash cards with names of organisms to represent sequence in the food chain, that is, pondweed sunfish guppy man Note: The organism before the arrow is eaten by the one after it. 5. Pupils identify and write other simple food chains among living things, e.g. 18 Large wide mouth bottle, water, samples of pond organisms Were pupils able to observe any feeding relationships among the pond organisms? School Yard Ecology and Ejnvironmaental Education – Interdepen dence of organisms. Flash cards of names of pond organisms Were pupils able to write at least two other simple food chains for their local environment? Music – Singing and composing songs grass cow human March 2003 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 4:Environment – Components of the environment and their interrelations Topic Knowledge Objectives Skills Content Method/Strategies Attitude 6. Pupils can create and sing, song e.g. The Food Chain to the tune of “The Farmer in the Dell” THE FOOD CHAIN The mouse eats the seed, the mouse eats the seed. Hi ho the dario the mouse eats the seed. The owl eats the mouse. The fox eats the owl. The bear eats the fox. The man eats the bear. The mouse needs the seed. The owl needs the mouse. The fox needs the owl. The bear needs the fox. The man needs the bear. No animal stands alone. 7. Pupils write the food chain given in the song. 19 Materials Evaluation Integration March 2003 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 5:Weather – Types, features and effects of the weather Topic Measuring rainfall Objectives Knowledge Skills Explain the use of the rain gauge Measure rainfall using simple equipment. Manipulate simple cutting impliments. Content Method/Strategies Materials Evaluation Integration A rain gauge can be used to measure rainfall. The amount of rainfall is measured in millitres (ml) or cubic centimetres (cm3). 1. Pupils cut plastic drinks/ water bottles ¾ way up. They will use the bottom to collect the rain and the upper part as a funnel to channel the rain into the bottom. 2. Pupils leave apparatus outside for a period of time to collect rain. 3. Pupils pour out rain into measuring cylinder and note the volume. 4. Pupils make other measurements daily for a number of days and note the volume. 5. Pupils make simple drawing of rain gauge. 6. Pupils take home rain gauges and use them. 2 litre plastic bottles, scissors, measuring cylinders. Were pupils careful in cutting bottles? Social Studies and Environmental Education – Measuring rainfall Attitude Display care and safety in using cutting implements. Note: 1 ml = 1 cm3 20 Were pupils able to use measuring cylinders? How accurate were pupils’ measurements? Can pupils explain how a rain gauge is used? Mathematics – Measuring volume Art and Craft – Making and drawing a rain gauge March 2003 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 5:Weather – Types, features and effects of the weather Topic Knowledge Finding wind direction. Explain how a wind vane or windsock is used. Objectives Skills Observe wind direction using simple equipment. Content Method/Strategies Materials Evaluation Integration 1. Pupils fix the wind vane or windsock onto a stick of length 5 metres. 2. Teacher ensures pupils are aware of the four cardinal directions of east, west, north and south. 3. Pupils look at the wind vane or windsock each day and determine in which direction the wind is blowing. 4. Pupils repeat exercise for two weeks. Wind sock - fabric sewn into a cone shape and open at both ends, long stick. Were pupils familiar with the four cardinal directions? Social Studies and Environmental Education Wind direction. Attitude Demonstrate persistence in completeing a task. A wind vane, or windsock, can be used to detect or determine wind direction. Were pupils able to determine the direction in which the wind was blowing? Can pupils explain how a wind vane or windsock is used? Weather conditions List weather conditions that occur Record weather conditions The amount of sunshine and rainfall can be measured 1. Pupils use information from previous lessons on amount of rainfall and wind 21 Information collected Were pupils able to say which was Social Studies and Environ- locally. in the form of tables and graphs. daily. Such information can be collected for a week, month or longer, as necessary. direction. 2. Pupils measure number of hours of sunlight per day. during previous lessons on the weather. the sunniest/ wettest day/week in the month? mental Education – Weather conditions. March 2003 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 5:Weather – Types, features and effects of the weather Topic Objectives Knowledge Skills Interpret information presented on weather conditions. Content Method/Strategies Materials Evaluation Integration Were pupils able to say which was the least/most windy day in the week month? Mathermatics Graphs Attitude 3. Pupils collect such information on the weather for a month. 4. Pupils record information in the form of a table e.g. Day Hours of Rainfall Wind 3 Sunlight in cm DirecSunlight tion (hour) ……. …………….. ……….. ……. …………….. ………. 5. Pupils represent above information as graphs. 6. Pupil post up information onto chart in the classroom. 7. Pupils interpret information to say, for example a) Which day / week was the sunniest? b) Which day / week was the wettest? 22 March 2003 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 6:Materials – Properties and changes in the states of matter Topic Knowledge Properties of the states of matter. Identify the properties of solids, liquids and gases. Objectives Skills Group matter as solids, liquids and gases. Content Method/Strategies Materials Evaluation Integration Materials or substances are different because of their features or properties. These properties include shape, volume, texture and appearance. 1. Pupils and teacher provide a variety of materials such as rock, metal, wood, sugar, flour, water, oil, fruit juice, balloons, cellophane bags. 2. Pupils observe the shape, volume, texture and appearance of the range of materials. 3. Pupils work in groups and decide which of the materials provided are solids, liquids or gases based on the properties of the different states of matter. 4. Class discusses findings and teacher gives clarifications. 5. Results can be presented as a table and displayed on the wall. Samples of rock, metal, wood, sugar, flour, water, oil, fruit juice, balloons, cellophane bags. Were pupils able to identify properties of materials? Technology Education – Properties of solids, liquids and gases. Attitude Display care in handling materials. Materials that have a definite shape and volume and that can be picked up are called solids. They can be as blocks, grains or powders e.g. rock, wood sugar, flour. Materials that have a definite volume but take the shape of their containers are liquids. They can 23 Were pupils able to group materials based on their properties? flow e.g. water, oil, fruit juice. March 2003 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 6:Materials – Properties and changes in the states of matter Topic Knowledge Objectives Skills Content Method/Strategies Attitude 24 Materials Evaluation Integration Materials that have no definite shape and volume are called gases. They take the shape and volume of their containers and are usually invisible. Examples of gases are oxygen, carbon dioxide, steam, cooking gas and welding gas. Air is a mixture of gases. Effects of heating and cooling materials Identify changes of states of matter. Predict the effects of heating and cooling materials. Display care and safety when using heat. When a solid is heated it melts into a liquid. On further heating the liquid evaporates into a gas. 1. Pupils predict the effects of heating and cooling materials. 2. Teacher heats some materials such as chocolate, ice, water, sugar. Pupils observe the changes or effects. Heat source, refrigerator/ freezer, chocolate, ice, water, sugar, etc. Did pupils make realistic predictions? Technology Education – Changes in the states of matter. March 2003 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 6:Materials – Properties and changes in the states of matter Topic Knowledge Objectives Skills Content Method/Strategies Attitude 25 Materials Evaluation Integration Observe the effects of heating and cooling materials. When a gas is allowed to cool, it condenses back into a liquid. On further cooling the liquid will freeze into a solid. For example: melting ice water (solid) freezing (liquid) evaporation water steam (liquid) (gas) condensation Where the demonstrations effective in showing the effects of heating and cooling materials? 3. Teacher leaves the heated items in the open and then place them in a refrigerator or freezer if available. 4. Teacher demonstrates condensation of water vapour by placing a cover over heated/boiling water. Class compares this with effect on pot covers during cooking. 5. Pupils make observations and check their predictions during class discussion. 6. As a follow-up, pupils observe the effects of heating and cooling some substances at home. Can pupils name the changes in the states of matter? March 2003 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 7:Earth and Space – Components of the solar system and their interrelations Topic Knowledge Objectives Skills Content Method/Strategies Attitude 26 Materials Evaluation Integration Spinning of the Earth. Relate the movement of the Earth on its axis as resulting in day and night. Demonstrate the movement of the Earth on its axis. The Earth spins or rotates on its axis from west to east. This takes twentyfour hours or one day. This movement of the Earth results in day and night. State that one rotation of the Earth takes twenty-four hours. When one side of the Earth faces the sun, the other side faces away from the sun, so when we have daylight in Guyana, China has night time. The spinning of the Earth on its axis is called rotation. 1. Teacher ensures pupils are aware of the four cardinal directions of east, west, north and south. 2. Pupils demonstrate the movement of the Earth by turning from west to east in an anti-clockwise direction. 3. Pupils shine torch light (as the sun) on the globe or ball (as the Earth) Globe or ball, preferably football/ volley ball/ basket ball. Torch light. and observe which part is lit up and which is dark. 4. Pupils mark a point on the globe/ball and slowly spin it to observe that the point passes through light and darkness. They relate this to day and night. Were pupils familiar with the four cardinal directions? Social Studies – Rotation of the Earth. Were pupils able to demonstrate the spinning of the Earth in the correct direction? Were pupils able to demonstrate the cause of day and night? 4. If a globe is used, pupils shine light on Guyana and observe which country on the opposite side will be in darkness. However, if a ball is used, pupils mark a lighted area with chalk and observe that the opposite side will be in darkness. Was the use of the torch light and globe/ball effective? March 2003 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 7:Earth and Space – Components of the solar system and their interrelations Topic Knowledge Objectives Skills Content Method/Strategies Attitude 27 Materials Evaluation Integration Movement of the Earth around the sun. Movement of the moon around the Earth. State that one revolution of the Earth takes 365¼ days or 1 year. Relate the movement of the moon to the Earth. Demonstrate the movement of the Earth around the sun. Demonstrate the movement of the moon around the Earth. Display willingness to cooperate. Display willingness to cooperate. As the Earth rotates 1. Pupils A stands in the centre daily it travels to represent the sun. around the sun. This Pupil B, representing the movement of the Earth moves around Pupil A Earth around the sun in an oval or elliptical path. is called revolution. 2. Pupil B continues to move in One revolution takes the same path around Pupil a year or 365¼ days. A, but also rotates or spins in Thus a revolution of an anti-clockwise direction. the Earth is 3. Other pupils join in and do comprised of 365¼ the same as Pupil B, rotations. representing the Earth at different positions as it revolves around the sun. Orbit Orrery – model of the solar system. As the Earth rotates 1. Pupil A stands in the centre and revolves around to represent the Earth. the sun, the moon 2. Pupil B, representing the moves around the moon, moves around the Earth. Earth facing the Earth. The moon takes 29½ 3. Further, the movements of days to travel once the moon and Earth in relation to the sun can be around the Earth. This time is called demonstrated as follows. one lunar month. Orbit Orrery – model of the solar system. Were pupils able to demonstrate the revolution of the earth? Were able pupils to compare rotation and revolution? Were pupils able to demonstrate the movement of the moon around the earth? Social Studies – Revolution of the Earth. Mathematics – Shape, number fractions Social Studies – Movement of the moon. March 2003 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 7:Earth and Space – Components of the solar system and their interrelations Topic Knowledge Objectives Skills Content Method/Strategies Attitude 28 Materials Evaluation Integration Were pupils able to demonstrate movements of the earth and moon in relation to the sun? Pupil C representing the sun now occupies the centre with Pupil A (Earth) rotating and revolving and Pupil B (moon) moving around Pupil A. March 2003 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 8:Energy – Forms of energy, their sources and effects Topic Knowledge Objectives Skills Content Method/Strategies Attitude 29 Materials Evaluation Integration Sources of light How light travels Identify the different sources of light. State how light travels. Draw sources of light. Demonstrate that light travels in a straight line. Make and record observations from demonstrations. Display safety when using flames and electricity. Display care and safety in using an open flame. Our main source of light is the sun. We also get light from torches, electric bulbs and lamps, candles, fuel lamps, fires and the candle fly. 1. Pupils name the sources of light. 2. They look at actual sources of light or pictures of those sources that are not available. 3. Further, pupils consider which sources give the best light and are economical. 4. Pupils make simple drawings of the sources of light. Torch light, candle, candle fly Light travels in a straight line from the source to the observer or the object. Pupils carry out the following experiment preferably in a darkened room. 1. They cut three square pieces of cardboard of side 20 cm and puncture a small hole at the centre of each piece, that is, at the same or identical point. 2. They line up the three pieces of cardboard such that the holes are all in line. 3. Shine a torch light through the hole of an outer piece of cardboard and then look through the hole on the other outer piece of card board. Torch light, candle, Cardboard Plasticine or playdo, Display care and safety when using cutting implements or tools. Were pupils able to name sources of light? Technology Education – Sources of light. Did pupils say which sources give the best light and are economical? Art and Craft – Drawing sources of light. Were the pieces of cardboard all of the same size and the holes punctured at the identical point? Technology Education – How light travels Mathematics – Measuring Were pupils willing to repeat experiment? March 2003 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 8:Energy – Forms of energy, their sources and effects Topic Knowledge Objectives Skills Content Method/Strategies Attitude 30 Materials Evaluation Integration 4. Repeat step 3. but move the middle piece of cardboard a few centimetres out of line and look through the holes of the cardboard. The procedure can be repeated moving the outer pieces of cardboard similarly. 5. The experiment can be done using a lit candle placed in front of the card board instead of looking through the holes on the pieces of cardboard. The light is allowed to form an image on a screen at the other end. A larger piece of dark coloured cardboard can be used as a screen. 6. Pupils record their observations and then discuss same with teacher’s guidance. Ref. Science Around Us, Book 4, Page 62. Can pupils say how light travels? Did pupils display care and safety in using a lit candle? March 2003 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 8:Energy – Forms of energy, their sources and effects Topic Knowledge Objectives Skills Content Method/Strategies Attitude 31 Materials Evaluation Integration Formation of shadows Explain how shadows are formed. Demonstrate the formation of shadows. Display care and safety when using cutting implements or tools. Light can pass through a piece of clear glass or plastic. Such objects are said to be transparent. However, the same light would not pass through a piece of cardboard or wood. Such objects are said to be opaque. When light falls on an opaque object a shadow of the object is formed. Shadows of objects usually have the same shape as the objects but can have a different size. 1. Pupils draw shapes onto cardboard and cut them out. 2. They place the cut-out shapes in front of a screen and shine a torchlight at them. 3. Pupils will see a shadow on the screen. 4. Pupils try to make the shadows smaller or larger. They should also observe what happens to the clarity of the shadow when it is made smaller or larger. 5. As a follow-up, pupils look at their shadows and that of other objects as formed by the sun. They can also look at shadows formed in the house. Cardboard scissors, torch light. Were pupils able to make shadows of objects? Art and Craft – Drawing and cutting out shapes Were pupils able to get shadows to vary in size? Can pupils explain how a shadow is formed? March 2003 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 8:Energy – Forms of energy, their sources and effects Topic Knowledge Objectives Skills Content Method/Strategies Attitude 32 Materials Evaluation Integration Reflection of light List objects that reflect light. All objects reflect light. If they did not, we would not be able to see them. A smooth surface forms a reflection because it reflects the light that strikes it evenly. Demonstrate that light can be reflected. Observe the formation of images in mirrors. We can see ourselves in a mirror because light bounces from us to the mirror and then from the mirror into our eyes. Any smooth surface that can reflect an image will behave like a mirror. Pupils work in pairs or small groups. 1. They look into a piece of flat mirror and observe the image of their face. 2. Pupils place a piece of paper or cardboard on desk top. Hold the mirror at right angles or perpendicular to the paper. Make a mark on the paper in front of the mirror and observe the image of the mark. Pupils may need to repeat activity a few times. 3. In class discussion, pupils explain why they are able to see the images in the mirrors. 4. Pupils look back at themselves in the mirror. Touch the right ear and observe which ear of the image is touched. Repeat by touching the left ear. 5. As a follow-up to show more reflection, pupils write some words and observe their mirror images. Flat mirror, very smooth and shiny material e.g. polished wood, stainless steel e.g. spoon. Were pupils able to explain how reflection occurs? Did pupils observe the reversal of right and left in the mirror image? March 2003 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 9:Forces – Types of forces and their effects Topic Knowledge Objectives Skills Content Method/Strategies Attitude 33 Materials Evaluation Integration Effects of magnets Distinguish between magnetic and nonmagnetic materials. Investigate the effects of magnets on materials. Display safety in handling sharp implements Predict and then investigate which materials are magnetic and which are nonmagnetic. Magnets attract materials that are made of iron or steel. Such materials are said to be magnetic e.g. nails, pin, paper clip, needle, iron filings. Materials not attracted by magnets are said to be nonmagnetic e.g. paper, plastic, rubber, cloth, wood, leaf. Pupils work in pairs or small groups. 1. Pupils are provided with a range of materials. 2. They predict which materials will be attracted by a magnet and which will not. 3. They then test their predictions by touching each material with the magnet. 4. Pupils summarise their findings in the form of a table as follows: Magnetic Non-magnetic ………… …………….. ……….. ……………… ……… ………………… Magnets, range of common materialspaper, wood, plastic, cloth, rubber, pin, nail, needle, paper clip, aluminium foil, gold, eraser, leaf, flower. 5. As homework, pupils add five other things found at home that are magnetic and five which are non-magnetic. How close were the predictions of the pupils to their experimental findings? Technology Education – Magnetism. Did pupils find at home materials that are magnetic and those that are nonmagnetic? Can pupils distinguish between magnetic and nonmagnetic materials? March 2003 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 9:Forces – Types of forces and their effects Topic Objectives Content Method/Strategies 34 Materials Evaluation Integration Poles of magnets Knowledge Skills Relate the effects of attraction and repulsion to the poles of magnets. Investigate the effects of magnets on each other. Explain the law of magnetism. Attitude The ends of a magnet are called its poles. The poles of a magnet exert more magnetic force than any other part of the magnet. Observe the effects of magnets on each other. The two poles of a magnet are called the north and south poles. When two like or similar poles, that is, north and north or south and south, are brought together, the magnets push away or repel each other. Two unlike poles, that is, north and south, attract each other. Make conclusions based on observations. The law of magnetism states that like poles repel and unlike poles attract. Pupils work in pairs or small groups. 1. They place two magnets with like poles (north and north or south and south) together and observe what happens. 2. They repeat the above using two unlike poles (north and south), and observe what happens. It may be useful to try 1 and 2 a few times. 3. An alternative procedure of the above is as follows. a) Tie a magnet at its centre with a piece of string, the other end of which is tied to a pencil. b) Suspend the magnet by holding the pencil. c) To the north-pointing pole of the suspended magnet, bring the north pole of the other magnet close to it and observe what happens. Magnets, string, pencil. Were pupils willing to try procedures several times before making conclusions? Can pupils explain what happens when the like/unlike poles of magnets are brought together? March 2003 PRIMARY SCIENCE CURRICULUM GUIDE GRADE 3 Unit 9:Forces – Types of forces and their effects Topic Objectives Content Method/Strategies 35 Materials Evaluation Integration Knowledge Skills Attitude The Earth behaves like a large magnet. A suspended magnet will align itself in a north to south direction. d) Repeat c) using the southpointing pole of the suspended magnet. 4. Pupils discuss their results and make conclusions. 5. Teacher verifies conclusions following class discussion. March 2003 36
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