2010/11 page 1 3/2/11 School In The Park Curriculum Reuben H. Fleet Science Center Rotation: 2 Grade: 5 Topic/Overarching Theme: Chemical Properties of Matter California State Standards Addressed: Physical Science Standards: • 1 a. Students know that during chemical reactions the atoms in the reactants rearrange to form products with different properties. • 1 c. Students know metals have properties in common, such as high electrical and thermal conductivity. Some metals, such as aluminum (Al), iron (Fe), nickel (Ni), copper (Cu), silver (Ag), and gold (Au), are pure elements; others, such as steel and brass, are composed of a combination of elemental metals. • 1 d. Students know that each element is made of one kind of atom and that the elements are organized in the periodic table by their chemical properties. • 1 f. Students know differences in chemical and physical properties of substances are used to separate mixtures and identify compounds. • 1 g. Students know properties of solid, liquid, and gaseous substances, such as sugar (C6H12O6), water (H2O), helium (He), oxygen (O2), nitrogen (N2), and carbon dioxide (CO2). • 1 i. Students know the common properties of salts, such as sodium chloride (NaCl). Investigation and Experimentation: • 6 b. Develop a testable question. • 6 c. Plan and conduct a simple investigation based on a studentdeveloped question and write instructions others can follow to carry out the procedure. • 6 d. Identify the dependent and controlled variables in an investigation. • 6 f. Select appropriate tools (e.g., thermometers, meter sticks, balances, and graduated cylinders) and make quantitative observations. • 6 g. Record data by using appropriate graphic representations (including charts, graphs, and labeled diagrams) and make inferences based on those data. 2010/11 page 2 3/2/11 6 h. Draw conclusions from scientific evidence and indicate whether further information is needed to support a specific conclusion. • 6 i. Write a report of an investigation that includes conducting tests, collecting data or examining evidence, and drawing conclusions. Reading/Writing Standards Word Recognition • Read aloud narrative and expository text fluently and accurately and with appropriate pacing, intonation, and expression. Sentence Structure • Identify and correctly use prepositional phrases, appositives, and independent and dependent clauses: use transitions and conjunctions to connect ideas. Grammar • Identify and correctly use verbs that are often misused (e.g., lie/lay, sit/set, rise/raise). Modifiers, and pronouns. Punctuation • Use a colon to separate hours and minutes and to introduce a list; use quotation marks around the exact works of a speaker and titles of poem, songs, short stories, and so forth. Capitalization • Use correct capitalization. Listening and Speaking Comprehension • Ask questions that seek information not already discussed. • Interpret a speaker’s verbal and nonverbal messages, purposes, and perspectives. Organization and Delivery of Oral Communication o Clarify and support spoken ideas with evidence and examples. • 1.6 Engage the audience with appropriate verbal cues, facial expressions, and gestures. Speaking Applications (Genres and Their Characteristics) • 2.2 a. Deliver informative presentations about an important idea, issue, or event by the following means: b. Establish a controlling idea or topic. c. Develop the topic with simple facts, details, examples, and explanations. Mathematics Content Standards: Number Sense: • Estimate, round, and manipulate very large (e.g., millions) and very small (e.g., thousandths) numbers. • Interpret percents as a part of a hundred; find decimal and percent equivalents for common fractions and explain why they represent the same value; compute a given percent of a whole number. Perform Calculations and Solve Problems: • 2010/11 page 3 3/2/11 2.1 Add, subtract, multiply, and divide with decimals; add with negative integers; subtract positive integers from negative integers; and verify the reasonableness of the results. • 2.2 Demonstrate proficiency with division, including division with positive decimals and long division with multi-digit divisors. • 2.3 Solve simple problems, including ones arising in concrete situations, involving the addition and subtraction of fractions and mixed numbers (like and unlike denominators of 20 or less), and express answers in the simplest form. Algebra and Functions • Use information taken from a graph or equation to answer questions about a problem. • Use a letter to represent an unknown number; write and evaluate simple algebraic expressions in one variable by substitution. Statistics, Data Analysis, and Probability • 1.2 Organize and display single-variable data in appropriate graphs and representations (e.g., histogram, circle graphs and explain which types of graphs are appropriate for various data sets. Mathematical Reasoning • Analyze problems by identify relationships, distinguishing relevant from irrelevant information, sequencing and prioritizing information, and observing patterns. • 2.1 Use estimation to verify the reasonableness of calculated results. • 2.2 Apply strategies and results from simpler problems to more complex problems. • 2.3 Use a variety of methods, such as words, numbers, symbols, charts, graphs, tables, diagrams, and models, to explain mathematical reasoning. • 2.5 Indicate the relative advantages of exact and approximate solutions to problems and give answers to a specified degree of accuracy. • 2.6 Make precise calculations and check the validity of the results from the context of the problem. • 3.1 Evaluate the reasonableness of the solution in the context of the original situation. • 3.3 Develop generalizations of the results obtained and apply them in other circumstances. • Instructional Goals & Objectives for the Week: Students will: • Design a Mind Map to organize chemistry concepts. • Understand that Elements are organized by their chemical properties on the Periodic Table and know that Elements have a symbol and Atomic Number. • Identify the 3 subatomic particles of atoms-Protons (+), Neutrons (0) and Electrons (-). 2010/11 • • • • • • • • • • page 4 3/2/11 Illustrate an atoms’ atomic structure (Rutherford-Bohr’s Model). Identify the 3 Major divisions of the Periodic Table (Metals, Non-Metals and Metalloids). Understand that Most Metals share common properties (Luster, Solid at room temperature-except Mercury, Conduct electricity, Conduct heat, Malleable, and Ductile). Apply knowledge of Atoms, Molecules and Compounds to perform investigations. Observe the differences between Physical and Chemical Changes. Participate in a reenactment of the Electrolysis of Water. Understand that scientist use chemical symbols and chemical formulas to describe how atoms rearrange themselves during a chemical reaction. Perform a scientific experiment to observe Indicators of a chemical change. Demonstrate safety guidelines/rules for a scientific experiment. Use and demonstrate knowledge of the scientific process. Key Vocabulary Definitions: • • • • • • • • • • • • • • • • Atom: the smallest unit of an element that has all the properties of that element Chemistry: the study of matter and the changes it undergoes Chemical change: a change in matter during which the properties of the substances change and produce something new Chemical Equation: when a chemical change has occurred, it can be written as an equation Chemical property: a property that describes how a substance will react and/or combine with another substance Compound: substance that contains two or more elements chemically combined in a fixed proportion Electrolysis of Water: using an electrical current to convert water into Hydrogen and Oxygen Electron: a subatomic particle found outside the nucleus and having a negative (-) charge Element: a substance made up of only one atom; substance that cannot be separated into simpler substances by a chemical change Gas: state of matter without a definite shape or volume Indicator: clue that a chemical change has occurred Liquid: state of matter with a definite volume but no definite shape Matter: anything that has mass and takes up space Molecule: a grouping of two or more atoms joined together by chemical bonds Neutron: a subatomic particle found in the nucleus and having a neutral (0) charge Periodic Chart: a way to organize elements according to their chemical properties 2010/11 • • • • • • • • page 5 3/2/11 Physical change: a change that alters the form or appearance of a substance but does not make the material into another substance Physical property: characteristic of a substance that can be observed without altering the identity of the substance Products: the end results of a chemical equation, located on the right side of a chemical equation Proton: subatomic particle found in the nucleus and having a positive (+) charge Reactant: the beginning substance(s) on the left side of a chemical equation Solid: state of matter with definite shape and a definite volume Subatomic particle: particle of matter smaller than an atom Variable: a part of an experiment that can be changed depending on what you are investigating Schedule and Activity Descriptions MONDAY Topic(s): Introduction of the Periodic Chart, Atoms, Molecules and Compounds Daily Vocabulary Words: atom, chemistry, compound, electron, element, gas, liquid, matter, molecule, neutron, periodic chart, proton, solid, subatomic particle Purpose(s): • Students will organize daily information onto a “Mind Map” using vocabulary words and chemistry concepts. • Students will emulate chemists to examine the Periodic Table and replicate representational models of elements/molecules/compounds Outcome(s): • Students will highlight the 3 major divisions of the Periodic Table and know that Elements have a symbol and Atomic Number (Carbon=C=6)). • Students will draw a Rutherford-Bohr Model of an atom and identify the 3 subatomic particles of an atom (proton, neutron and electron). • Students will build representational models of 7 different molecules using LEGOS Topics for short writing prompts: chemistry, chemist, matter, periodic chart (table) Schedule: 2010/11 page 6 3/2/11 Welcome and Introduction Students will • Be welcomed to the Reuben H. Fleet Science Center. • Review checkout /return procedures for Take-home science bags. • Be issued science notebooks to record and organize scientific information. • Understand the procedure for gluing and writing notes into their science notebooks. • Review policies (Safety guidelines and rules for working with chemicals) • Take a Pre-Post test. • Daily SITP Mantra and stretch. Mind Map Activity Students will • Organize daily information onto a mind map using vocabulary words and chemistry concepts. (Whole class) Periodic Table and Atomic Structure Students will • Review the three major parts of the periodic table and how many elements there are (over 109). (Whole class) • Know that elements can be arranged by their chemical properties and have a symbol and atomic structure. • Understand that atoms are made of three smaller parts-Protons (+), Neutrons (0), and Electrons (-). • Draw a Rutherford-Bohr Model of Beryllium. • Know that the number of protons is the same as an elements atomic number. • Understand that metals share similar properties. How small is a molecule? Students will • Know atoms and molecules are very small; scientists use models to study them. • Observe a drop of water for each table-half. Students will have 1 minute to decide how many water molecules they think are in that one-drop of water. 1.67 sextillion water molecules in 1 drop of water-that’s 1,670,000,000,000,000,000,000! Making molecules Students will • Build representational models of 7 different molecules with LEGOS. (Table-half). • Decide if their LEGOS molecules are elements or compounds. • Record and illustrate molecules in science notebooks. 2010/11 page 7 • • 3/2/11 Review the definitions of molecules (two or more atoms bonded together) and compounds (two or more different atoms chemically combined). (Whole class) Participate in a class discussion of today’s LEGO molecule activity. Students must explain why they think each molecule is an element or a compound. Checking for Understanding: Students will • Participate in the states of matter skit. Student will be able to express the energy of molecules in solids, liquid and gases. • Locate the atomic number and the number of protons in different elements. • Be able to verbally express the difference between elements, molecules and compounds. Related Standards: Physical Science Standards: • 1c.Students know metals have properties in common, such as high electrical and thermal conductivity. Some metals, such as aluminum (Al), iron (Fe), nickel (Ni), copper (Cu), silver (Ag), and gold (Au), are pure elements; others, such as steel and brass, are composed of a combination of elemental metals. • 1 d. Students know that each element is made of one kind of atom and that the elements are organized in the periodic table by their chemical properties. • 1 f. Students know differences in chemical and physical properties of substances are used to separate mixtures and identify compounds. • 1 g. Students know properties of solid, liquid, and gaseous substances, such as sugar (C6H12O6), water (H2O), helium (He), oxygen (O2), nitrogen (N2), and carbon dioxide (CO2). • 1 i. Students know the common properties of salts, such as sodium chloride (NaCl). Investigation and Experimentation: • 6 b. Develop a testable question. • 6 f. Select appropriate tools (e.g., thermometers, meter sticks, balances, and graduated cylinders) and make quantitative observations. • 6 g. Record data by using appropriate graphic representations (including charts, graphs, and labeled diagrams) and make inferences based on those data. • 6 h. Draw conclusions from scientific evidence and indicate whether further information is needed to support a specific conclusion. Additional Information About the Day: • Pass out “What am I?” game. ? • Practice drawing Rutherford-Bohr Model of different elements. 2010/11 • • • page 8 3/2/11 If time allows, show movie clip When Things Get Small (http://www.ucsd.tv/getsmall/) Review vocabulary and/or use fishbowl questions. Pass out question of the day. TUESDAY Topic(s): Making Molecules (continued) and Chemical and Physical Changes Daily Vocabulary Words: atom, chemistry, chemical change, chemical property, compound, electron, element, gas, liquid, matter, molecule, neutron, periodic chart, proton, physical change, physical property, solid, subatomic particle Purpose(s): • Students will participate in an observational activity on a selected museum’s exhibit and correlate how the exhibit relates to physical or chemical changes. • Participate in an investigation to learn more about physical and chemical changes. Outcome(s): • Students will observe and provide evidence for 6 investigations to determine if a physical or chemical change has taken place. Topics for short writing prompts: atomic number, model, atom, molecule, element, compound Schedule: Vocabulary Review/Take-Home Check-In Students will • Work with their table to review vocabulary form the previous day. • Return Take-Home Science kits (refilled for the next group of students). Challenge Question: All compounds are molecules, but not all molecules are compounds. Do you agree or disagree with this statement? Why? Students will • Think-Pair-Share and write their predictions in their science notebooks. • Participate in a Molecule Balloon Challenge. Students will use balloons to represent molecules, compounds and elements. (Whole class) Mind Map Activity 2010/11 page 9 3/2/11 Students will • Organize daily information onto a mind map using vocabulary words and chemistry concepts. (Whole class) Daily SITP Mantra and stretch. Making molecules (continued) Students will • Build representational models of 7 different molecules with LEGOS. (Table-half). • Decide if their LEGO molecules are elements or compounds. • Record and illustrate molecules in science notebooks. • Review the definitions of molecules (two or more atoms bonded together) and compounds (tow or more different atoms chemically combined). (Whole class) • Participate in a class discussion of the LEGO molecules they have just completed. Students must explain why they think each molecule is an element or a compound. Making Observation in the Museum Students will • Understand that observations are an important step in the scientific process. • Work with a partner to make observation on an exhibit located in the museum gallery. • Use their observational information to come up with ideas about a physical or chemical exhibit they would like to build (draw and present) later in the week. Chemical and Physical Changes Students will • Participate in an investigation to learn more about physical and chemical changes. (Table groups) • Rotate between 6 different stations to determine if the investigation is a physical or chemical change. • Fill appropriate data charts and tables in their science notebooks. • Provide evidence for their predictions/conclusion and share their results with the class. • Discuss the electrolysis of water investigation. (Whole class). • Compare the differences between chemical and physical changes by making a T-chart. (Whole class). Checking for Understanding: Students will • Know that scientist use models (LEGO model) to represent how element and molecules form. 2010/11 page 10 • • 3/2/11 Record procedures and make a reasonable prediction in the Physical and Chemical Investigation. Review vocabulary and/or use fishbowl questions. Related Standards: Physical Science Standards: • 1.a Students know that during chemical reactions the atoms in the reactants rearrange to form products with different properties. • 1c.Students know metals have properties in common, such as high electrical and thermal conductivity. Some metals, such as aluminum (Al), iron (Fe), nickel (Ni), copper (Cu), silver (Ag), and gold (Au), are pure elements; others, such as steel and brass, are composed of a combination of elemental metals. • 1 d. Students know that each element is made of one kind of atom and that the elements are organized in the periodic table by their chemical properties. • 1 f. Students know differences in chemical and physical properties of substances are used to separate mixtures and identify compounds. • 1 g. Students know properties of solid, liquid, and gaseous substances, such as sugar (C6H12O6), water (H2O), helium (He), oxygen (O2), nitrogen (N2), and carbon dioxide (CO2). • 1 i. Students know the common properties of salts, such as sodium chloride (NaCl). Investigation and Experimentation: • 6 b. Develop a testable question. • 6 c. Plan and conduct a simple investigation based on a studentdeveloped question and write instructions others can follow to carry out the procedure. • 6 d. Identify the dependent and controlled variables in an investigation. • 6 f. Select appropriate tools (e.g., thermometers, meter sticks, balances, and graduated cylinders) and make quantitative observations. • 6 g. Record data by using appropriate graphic representations (including charts, graphs, and labeled diagrams) and make inferences based on those data. • 6 h. Draw conclusions from scientific evidence and indicate whether further information is needed to support a specific conclusion. • 6 i. Write a report of an investigation that includes conducting tests, collecting data or examining evidence, and drawing conclusions. Additional Information About the Day: • Practice identifying elements, molecules and compounds. • Pass out question of the day. 2010/11 page 11 3/2/11 WEDNESDAY Topic(s): Physical and Chemical Changes (continued) and Chemical Indicators Daily Vocabulary Words: chemical change, chemical property, electrolysis of water, indicator, physical change, physical property, variable Purpose(s): • Students will participate in an investigation to observe evidence of a chemical change. • Students will identify the dependent and controlled variables in an investigation. • Students will select appropriate tools and make quantitative observations in today’s investigation. Outcome(s): • Students will kinesthetically act out electrolysis of water and observe Hydrogen and Oxygen atoms only rearranged in a chemical reaction. • Students will perform 4 experiments using Sodium Bicarbonate, Calcium Chloride and Phenol Red to determine evidence (indicators) that a chemical change has taken place. Schedule: Vocabulary Review/Take-Home Check-In Students will • Work with their table to review vocabulary form the previous day. • Return Take-Home Science kits (refilled for the next group of students). Topics for short writing prompts: chemical change, physical change Challenge Question: Turn to your neighbor and explain the process of electrolysis of water. Students will • Think-Pair-Share. • Choose a representative from each table to explain the process of electrolysis of water. Mind Map Activity Students will • Organize daily information onto a mind map using vocabulary words and chemistry concepts. (Whole class) Daily SITP Mantra and stretch. 2010/11 page 12 3/2/11 Physical and Chemical Changes (continued) Students will • Finish their observations of physical and chemical changes. • Fill appropriate data charts and tables in their science notebooks. • Provide evidence for their predictions/conclusion and share their results with the class. • Compare the differences between chemical and physical changes by making a T-chart. (Whole class). Molecular View of Physical vs. Chemical Changes Students will • Act out the chemical and physical changes of water that we witnessed in electrolysis of water. (Small group) • Students will know that electricity is use to break water molecules in to hydrogen gas and oxygen gas and is a chemical change. Chemical Equations Students will • Know that scientist use chemical symbols to describe how atoms rearrange themselves during a chemical reaction. • Write a chemical equation for electrolysis of water. (Whole class) • Recognize the parts of an equation. (Reactant and product). • Compare the left and right side of a chemical equation and know that atoms cannot be lost or gained, only rearranged! Indicators of a Chemical Change Students will • Combine various chemicals to produce several chemical changes. (Students will be looking specifically for evidence that might tell us that a chemical change has happened.) (Table-half) • Use scientific tools and safety goggles at all times during today’s experiment. (Whole class) • Follow procedural directions and write observations/ evidence of a chemical change in their science notebooks. • Be reminded that they can only change one variable at a time. • Review and brainstorm possible indicators of a chemical change (Whole class). Checking for Understanding: Students will • Verbally explain the process of Electrolysis of water to a neighbor. • Know that a chemical formula tells the story of a chemical change and the symbols used are the atoms that are rearranged during a chemical reaction. • Able to follow written directions. 2010/11 page 13 • 3/2/11 Use appropriate scientific equipment and clean up any spills. Related Standards: Physical Science Standards: • 1.a Students know that during chemical reactions the atoms in the reactants rearrange to form products with different properties. • 1 d. Students know that each element is made of one kind of atom and that the elements are organized in the periodic table by their chemical properties. • 1 f. Students know differences in chemical and physical properties of substances are used to separate mixtures and identify compounds. • 1 g. Students know properties of solid, liquid, and gaseous substances, such as sugar (C6H12O6), water (H2O), helium (He), oxygen (O2), nitrogen (N2), and carbon dioxide (CO2). • 1 i. Students know the common properties of salts, such as sodium chloride (NaCl). Investigation and Experimentation: • 6 b. Develop a testable question. • 6 c. Plan and conduct a simple investigation based on a studentdeveloped question and write instructions others can follow to carry out the procedure. • 6 d. Identify the dependent and controlled variables in an investigation. • 6 f. Select appropriate tools (e.g., thermometers, meter sticks, balances, and graduated cylinders) and make quantitative observations. • 6 g. Record data by using appropriate graphic representations (including charts, graphs, and labeled diagrams) and make inferences based on those data. • 6 h. Draw conclusions from scientific evidence and indicate whether further information is needed to support a specific conclusion. • 6 i. Write a report of an investigation that includes conducting tests, collecting data or examining evidence, and drawing conclusions. Additional Information About the Day: Students will • Use safety goggles at all times! • Pass out question of the day. THURSDAY Topic(s): Chemical Indicators (continued) Daily Vocabulary Words: chemical change, chemical property, electrolysis of water, indicator, physical change, physical property, variable Purpose(s): 2010/11 • page 14 3/2/11 Students will participate in an investigation to observe evidence of a chemical change (continued) Outcome(s): • Students will perform 4 experiments using Sodium Bicarbonate, Calcium Chloride and Phenol Red to determine evidence (indicators) that a chemical change has taken place (continued) • Students will record in their science journals the chemical equation (reactant and products) for today’s experiment. Topics for short writing prompts: electrolysis of water, experiment, observations, reactant, product, sodium chloride Schedule: Vocabulary Review/Take-Home Check-In Students will • Work with their table to review vocabulary form the previous day. • Return Take-Home Science kits (refilled for the next group of students). Challenge Question: Decide which items on your table are physical changes and which are chemical changes? What are your clues? Why do you think this? Students will • Think-Pair-Share and write their predictions on 4 items in their science notebooks. • Follow directions for any items on table-pour baking soda into the vinegar etc. • Class discussion on the 4 physical and chemical changes. Mind Map Activity Students will • Organize daily information onto a mind map using vocabulary words and chemistry concepts. (Whole class) Daily SITP Mantra and stretch. Indicators of a Chemical Change Students will • Combine several chemicals to produce chemical changes. (Students will be looking for evidence that might tell them that a chemical change has taken place.) (Table-half) • Use scientific tools and safety goggles at all times during today’s experiment. (Whole class) • Follow procedural directions and write observations/ evidence of a chemical change in their science notebooks. • Be reminded that they can only change one variable at a time. 2010/11 page 15 • 3/2/11 Review and brainstorm possible indicators of a chemical change (Whole class). Exploring Museum Exhibits Students will • Choose an exhibit in the Museum gallery to investigate. This exhibit will be the basis for a proposed chemical or physical exhibit students invent. (Table-half) • Record exhibit information in their data sheets. • Participate in a class discussion on what factors make an exhibit people would use. (Is it fun, sturdy, practical-no shark tanks! what ages do you have to be, etc.) Checking for Understanding: Students will • Know that a chemical formula tells the story of a chemical change and the symbols used are the atoms that are rearranged during a chemical reaction. • Able to follow written directions. • Use appropriate scientific equipment and clean up any spills. • Suggest variable to test in today’s experiment. Related Standards: Physical Science Standards: • 1.a Students know that during chemical reactions the atoms in the reactants rearrange to form products with different properties. • 1c.Students know metals have properties in common, such as high electrical and thermal conductivity. Some metals, such as aluminum (Al), iron (Fe), nickel (Ni), copper (Cu), silver (Ag), and gold (Au), are pure elements; others, such as steel and brass, are composed of a combination of elemental metals. • 1 d. Students know that each element is made of one kind of atom and that the elements are organized in the periodic table by their chemical properties. • 1 f. Students know differences in chemical and physical properties of substances are used to separate mixtures and identify compounds. • 1 g. Students know properties of solid, liquid, and gaseous substances, such as sugar (C6H12O6), water (H2O), helium (He), oxygen (O2), nitrogen (N2), and carbon dioxide (CO2). • 1 i. Students know the common properties of salts, such as sodium chloride (NaCl). Investigation and Experimentation: • 6 b. Develop a testable question. 2010/11 • • • • • • page 16 3/2/11 6 c. Plan and conduct a simple investigation based on a studentdeveloped question and write instructions others can follow to carry out the procedure. 6 d. Identify the dependent and controlled variables in an investigation. 6 f. Select appropriate tools (e.g., thermometers, meter sticks, balances, and graduated cylinders) and make quantitative observations. 6 g. Record data by using appropriate graphic representations (including charts, graphs, and labeled diagrams) and make inferences based on those data. 6 h. Draw conclusions from scientific evidence and indicate whether further information is needed to support a specific conclusion. 6 i. Write a report of an investigation that includes conducting tests, collecting data or examining evidence, and drawing conclusions. Additional Information About the Day: Students will • Use safety goggles at all times! • Pass out question of the day. FRIDAY Topic(s): Writing a Physical or Chemical Report Daily Vocabulary Words: chemical change, indicator, physical change, products, reactant, variable Purpose(s): • Students will make observations and record data to determine if their selected investigation has undergone a physical or chemical change. Outcome(s): • Students will plan and conduct a physical or chemical investigation (including a title, procedure, prediction, observation, and conclusion) and present their findings to the class. Topics for short writing prompts: chemical equation (formula), indicators, prediction, observations, conclusion Schedule: Challenge Question: Place two more examples of physical changes and chemical changes at each table. What are your clues? Why do you think this? Students will • Think-Pair-Share and write their predictions in their science notebooks. 2010/11 page 17 • 3/2/11 Share results with the class Mind Map Activity Students will • Finish organizing daily information onto a mind map using vocabulary words and chemistry concepts. (Whole class) Daily SITP Mantra and stretch. Physical vs. Chemical Change Challenge Students will • Make observations and record data to determine the nature of their change (physical or chemical). (Table-half) • Create datasheets for the physical vs. chemical change challenge. This should include: Title, Procedure, prediction, summery of observations, their conclusions and any questions they may have. • Participate in a class discussion on today’s investigation of physical or chemical change. Physical or Chemical Museum Exhibits. Students will • Use and demonstrate knowledge of physical and chemical changes to generate future museum exhibits. (Table-half) • Draw/write ideas on chart paper (students may use rulers, markers, construction paper etc…). • Present future museum exhibits to the class. Checking for Understanding: Students will • Plan and conduct a simple investigation that others can follow. • Able to follow written directions. • Use appropriate tools when conducting today’s investigation. • Make observations and draw conclusions that supports a physical or chemical change has taken place in today’s investigation Related Standards: Physical Science Standards: • 1.a Students know that during chemical reactions the atoms in the reactants rearrange to form products with different properties. • 1c.Students know metals have properties in common, such as high electrical and thermal conductivity. Some metals, such as aluminum (Al), iron (Fe), nickel (Ni), copper (Cu), silver (Ag), and gold (Au), are pure elements; others, such as steel and brass, are composed of a combination of elemental metals. • 1 d. Students know that each element is made of one kind of atom and that the elements are organized in the periodic table by their chemical 2010/11 page 18 3/2/11 properties. • 1 f. Students know differences in chemical and physical properties of substances are used to separate mixtures and identify compounds. • 1 g. Students know properties of solid, liquid, and gaseous substances, such as sugar (C6H12O6), water (H2O), helium (He), oxygen (O2), nitrogen (N2), and carbon dioxide (CO2). • 1 i. Students know the common properties of salts, such as sodium chloride (NaCl). Investigation and Experimentation: • 6 b. Develop a testable question. • 6 c. Plan and conduct a simple investigation based on a studentdeveloped question and write instructions others can follow to carry out the procedure. • 6 d. Identify the dependent and controlled variables in an investigation. • 6 f. Select appropriate tools (e.g., thermometers, meter sticks, balances, and graduated cylinders) and make quantitative observations. • 6 g. Record data by using appropriate graphic representations (including charts, graphs, and labeled diagrams) and make inferences based on those data. • 6 h. Draw conclusions from scientific evidence and indicate whether further information is needed to support a specific conclusion. • 6 i. Write a report of an investigation that includes conducting tests, collecting data or examining evidence, and drawing conclusions. Additional Information About the Day: • Plan and conduct a simple investigation that others can follow. • Able to follow written directions. 2010/11 page 19 3/2/11 Post Test POWER WRITING: Think about these two ideas: Chemistry and The Periodic Table. Choose one idea to write about. You will have one minute to write as much as you can. Write as well as you can. WORD BANK Atom Color Compound Electrolysis Element Gas Indicator Matter Molecule SENTENCE WRITING: Imagine you are a chemist working for the Fleet Museum. You have been asked to describe indicators of a chemical change to museum visitors. Pick at least one of the words in bold from the Word Bank and write your first sentence. Observations Periodic Table Substance Temperature Variable Now write your next sentence about chemical changes. **Remember to check what you have written and make any necessary changes. Volume 2010/11 page 20 1. Sugar (C6H12O6) is an example of: a) b) c) d) an atom an element a compound a subatomic particle 2. Sharpening a pencil is an example of a(n)_______________ change. a) b) c) d) physical chemical compound element 3. Electrolysis of water is an example of a _________________ change. a) b) c) d) Periodic table chemical physical shape 4. Which of these is a possible indicator of a chemical change? a) b) c) d) temperature gas is released color change all of the above 5. During a chemical reaction, the atoms of the reactants are: a) b) c) d) gained rearranged lost unchanged 3/2/11 2010/11 page 21 3/2/11 Student Materials 1. Title of your experiment: 2. Your procedure (directions): • First I will… • Then I will… • Next I will… • Finally I will… 3. Your prediction: 4. Your observations: • Draw a picture Before After • I notice… • The indicators I observed are... 5. Your questions: • I wonder… 6. Your conclusions: • I believe this is an example of a ___________ change because __________________________.
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