Grade 4 Science Unit: 06 Lesson: 02 Suggested Duration: 4 days Science Grade 04 Unit 06 Exemplar Lesson 02: Patterns in the Water Cycle This lesson is one approach to teaching the State Standards associated with this unit. Districts are encouraged to customize this lesson by supplementing with district-approved resources, materials, and activities to best meet the needs of learners. The duration for this lesson is only a recommendation, and districts may modify the time frame to meet students’ needs. To better understand how your district may be implementing CSCOPE lessons, please contact your child’s teacher. (For your convenience, please find linked the TEA Commissioner’s List of State Board of Education Approved Instructional Resources and Midcycle State Adopted Instructional Materials.) Lesson Synopsis Students will explore the movement of water above and below the Earth’s surface and recognize the Sun as the major source of energy in the water cycle. TEKS The Texas Essential Knowledge and Skills (TEKS) listed below are the standards adopted by the State Board of Education, which are required by Texas law. Any standard that has a strike-through (e.g. sample phrase) indicates that portion of the standard is taught in a previous or subsequent unit. The TEKS are available on the Texas Education Agency website at http://www.tea.state.tx.us/index2.aspx? id=6148. 4.8 Earth and space. The student knows that there are recognizable patterns in the natural world and among the Sun, Earth, and Moon system. The student is expected to: 4.8B Describe and illustrate the continuous movement of water above and on the surface of Earth through the water cycle and explain the role of the Sun as a major source of energy in this process. Supporting Standard Scientific Process TEKS 4.1 Scientific investigation and reasoning. The student conducts classroom and outdoor investigations, following home and school safety procedures and environmentally appropriate and ethical practices. The student is expected to: 4.1A Demonstrate safe practices and the use of safety equipment as described in the Texas Safety Standards during classroom and outdoor investigations. 4.2 Scientific investigation and reasoning. The student uses scientific inquiry methods during laboratory and outdoor investigations. The student is expected to: 4.2F Communicate valid, oral, and written results supported by data. 4.3 Scientific investigation and reasoning. The student uses critical thinking and scientific problem solving to make informed decisions. The student is expected to: 4.3C Represent the natural world using models such as rivers, stream tables, or fossils and identify their limitations, including accuracy and size. 4.4 Scientific investigation and reasoning. The student knows how to use a variety of tools, materials, equipment, and models to conduct science inquiry. The student is expected to: 4.4A Collect, record, and analyze information using tools, including calculators, microscopes, cameras, computers, hand lenses, metric rulers, Celsius thermometers, mirrors, spring scales, pan balances, triple beam balances, graduated cylinders, beakers, hot plates, meter sticks, compasses, magnets, collecting nets, and notebooks timing devices, including clocks and stopwatches materials to support observation of habitats of organisms such as terrariums and aquariums. 4.4B Use safety equipment as appropriate, including safety goggles and gloves. GETTING READY FOR INSTRUCTION Performance Indicators Last Updated 05/10/13 page 1 of 14 Grade 4 Science Unit: 06 Lesson: 02 Suggested Duration: 4 days Grade 04 Science Unit 06 PI 02 Create an illustration that traces the movement of water as it cycles above and below the Earth’s surface. In a brief paragraph, describe the role that the Sun plays during each part of the water cycle. Standard(s): 4.2F , 4.8B ELPS ELPS.c.1C , ELPS.c.5F , ELPS.c.5G Key Understandings Water continuously moves above and on the Earth’s surface through the water cycle. — What allows the water cycle to continue? The water cycle may not always follow the same sequence. — In what ways could the water cycle be sequenced? The Sun is the major source of energy for the water cycle. — In what ways does the Sun play a role in the water cycle? Vocabulary of Instruction evaporation cycle water cycle role condensation accumulation Sun precipitation aquifer Materials chart paper (1 sheet per class) colored pencils (1 pack per student) colored pencils or crayons (1 pack per student) container (heat-proof, clear, about a 2 quart capacity, 1 per teacher) glue (liquid or stick, 1 container per pair) heat lamp (goose neck, 1 per teacher) ice cubes (5–6 per teacher) index card (3”x5”, 1 per student) markers (per teacher) paper (plain) plastic wrap (about 12”x12”, 1 piece per teacher) scissors (1 pair per student) water (colored blue, hot, 1 cup per teacher) Attachments All attachments associated with this lesson are referenced in the body of the lesson. Due to considerations for grading or student assessment, attachments that are connected with Performance Indicators or serve as answer keys are available in the district site and are not accessible on the public website. Teacher Resource: Water Cycle (1 for projection) Teacher Resource: Each One Teach One: The Water Cycle (see Advance Preparation) Handout: Water Cycle Captions (1 per student) Teacher Resource: Water Cycle Model (see Advance Preparation) Handout: Water Cycle Cards (1 set per student) Handout: Water Cycle Comparing Models (1 per student) Teacher Resource: PowerPoint: The Sun’s Role in the Water Cycle Optional Handout: A Writing Connection (1 per student) Water Cycle Teacher Resources: Performance Indicator Instructions KEY Resources None Identified Advance Preparation Last Updated 05/10/13 page 2 of 14 Grade 4 Science Unit: 06 Lesson: 02 Suggested Duration: 4 days 1. Prepare the Water Cycle Model as indicated on the Teacher Resource: Water Cycle Model. Set up the demonstration of the water cycle. It should be in a location where students can see the model. You will need a heat lamp (the Sun), a heat-proof bowl that is clear, really hot water that is colored blue (make sure the water does not melt the container if using a plastic container), plastic wrap, and several (5-6) ice cubes. Pour the really hot colored water in the container. Quickly cover the top of the container with the plastic wrap, pulling the plastic tightly and sealing the edges. Turn on the heat lamp so it is shining on the water through the container. You will place the ice cubes on top of the plastic just before students are observing the model. 2. Print the Teacher Resource: Each One Teach One: The Water Cycle. Cut out each statement. Use the top set to distribute to the student groups. The second set could be taped to the chart paper so that both the statement and the student responses will be shown. 3. Prepare attachment(s) as necessary. Background Information This lesson looks at the continuous cycling of water on the Earth’s surface and the role the Sun plays in this cycle During this lesson, students will also extend their exploration of the water cycle with a greater emphasis on its movement on and above the Earth. It is important to note that the standard in this lesson is a Supporting Standard. Not only might the content in this lesson be assessed on STAAR, it is most certainly foundational for Supporting and Readiness Standards at Grade 5. INSTRUCTIONAL PROCEDURES Instructional Procedures Notes for Teacher ENGAGE – Each One Teach One: The Water Cycle NOTE: 1 Day = 50 minutes Suggested Day 1 1. Divide the class into eight groups. Materials: 2. Project the Teacher Resource: Water Cycle. chart paper (1 sheet per class) markers (per teacher) paper (plain, 1 sheet per student) colored pencils or crayons (1 pack per student) scissors (1 pair per student) glue (liquid or stick, 1 per 3–4 students) 3. Say: This is a picture of the water cycle. It is here as a resource for the next activity. 4. Give each group one of the statements/questions from the Teacher Resource: Each One Teach One: The Water Cycle. Say: Attachments: Each group has one statement that they will discuss with each other. You will have about three minutes to formulate a response, and then you will teach the rest of the class. I will record your responses so we can use it as a resource during this lesson. Teacher Resource: Water Cycle (1 for projection) Teacher Resource: Each One Teach One The Water Cycle (see Advance Preparation) Handout: Water Cycle Captions (1 per student) Instructional Notes: 5. Allow time for students to formulate an answer. The water cycle website is a site that has an interactive version of 6. Call on one group at a time to read the statement, and respond with their answer. Write down student responses. the water cycle. Teachers may choose to use this interactive version in lieu of the Teacher Resource: Water Cycle. http://www.epa.gov/safewater/kids/flash/flash_watercycle.html 7. Distribute the Handout: Water Cycle Captions and a plain sheet of paper to students. Read each of the captions to the class. 8. Instruct students to draw a model of the water cycle on the paper. The diagram should be labeled with the science terms: accumulation, condensation, evaporation, and precipitation. In addition, the diagram should have color. The captions should be cut apart and then placed in the appropriate location on the diagram. When students are constructing their own conceptual model of the water cycle, it is up to the teacher whether or not to leave the Teacher Resource: Water Cycle projected. Conceptual Model: a type of diagram that defines a concept or shows a relationship within a system. 9. When students have completed the conceptual model (diagram), they should affix it in their science notebook as a reference during the lesson. Safety Note: Students should follow safety protocols when working with sharp instruments. Science Notebooks: Last Updated 05/10/13 page 3 of 14 Grade 4 Science Unit: 06 Lesson: 02 Suggested Duration: 4 days Students affix their conceptual model (diagram) in their science notebooks. EXPLORE – Water Cycle Model Suggested Days 1 (continued) and 2 1. Set up the water cycle demonstration as shown on the Teacher Resource: Water Cycle Model. Prepare the demonstration before the lesson starts to ensure a clearer model of the cycle. 2. Inform students that observations will be recorded in their science notebooks. 3. Say: You are going to observe another model of the water cycle. You will draw and label the model in your science notebooks. In addition, as you observe the water cycle model, add the correct terms (accumulation, evaporation, precipitation, and condensation) to your diagram. Materials: container (heat-proof, clear, about a 2 quart capacity, 1 per teacher) water (colored blue, hot, 1 cup per teacher) plastic wrap (about 12”x12”, 1 piece per teacher) heat lamp (goose neck, 1 per teacher) ice cubes (5–6 per teacher) index card (3”x5”, 1 per student) scissors (1 pair per student) glue (liquid or stick, 1 container per pair) 4. Allow time for students to come up to observe the water cycle model. You may prefer to have students come up in small groups to observe. If small group observation is preferred, then distribute the Handout: Water Cycle Cards and Attachments: instruct students to begin matching the terms with the pictures. Teacher Resource: Water Cycle Model (see Advance Preparation) 5. When students are observing the water cycle model, reinforce the concept that Handout: Water Cycle Cards (1 set per the Sun plays a major role in the water cycle. student) 6. After all students have had the opportunity to observe the physical model of the water cycle, facilitate a class discussion using the following guiding questions: Instructional Notes: What represented the Sun in this model? (The lamp) What caused the water to evaporate? The heat from the lamp heating the water What role does temperature play in the water cycle? The heat energy from the Sun is what causes the water to evaporate. The cooling of the water vapor causes condensation. In what ways does the Sun play a role in the water cycle? The Sun heats the land and water. The water often evaporates. The heating and cooling of the land creates the wind. Wind moves the clouds to different areas. What caused the evaporated water to condense? The water vapor cooled down because of the ice. The droplets condensed. Does all precipitation stay on the surface of the Earth? (No) In what other locations on Earth is water found? Water is stored in plants and soil. Additionally, water seeps into the ground and it may become a part of the water that is stored below the Earth’s surface called an aquifer. Discuss the fact that this is a model and not exactly how it happens in nature every time. It just helps us to visualize the process. Limitations of models should always be addressed when using a model. It is critical for the teacher to reinforce the idea that the Sun is the primary source that drives the water cycle. Students may think that there is a beginning and an end to the water cycle, instead of recognizing that water moves continuously above and below the Earth’s surface. Check For Understanding: The summary can be used as a formative assessment of student understanding. 7. Distribute an index card to each student. Students should write or draw a summary of what they learned today about the water cycle. EXPLAIN – Comparing Water Cycle Models Suggested Day 2 (continued) 1. Distribute the Handout: Water Cycle Cards (if students did not receive them yesterday). Attachments: 2. Instruct students to match the concept with the picture. You may wish to check the matches before students affix them in their science notebooks. 3. Review what students observed during the demonstration. Reinforce the concept that the Sun is the primary energy source for the water cycle. Handout: Water Cycle Cards (1 set per student)[ if students received these yesterday they do not need another set] Handout: Water Cycle Comparing Models (1 per student) 4. Distribute the Handout: Comparing Models. As students draw a picture of the water cycle in their community, remind them to include how water moves on the Instructional Notes: As students complete the compare/contrast of the two surface of the Earth. models, look for two common omissions: the Sun should be present in the illustration of the water cycle in their community. 5. Students should affix the handout in their science notebook. The physical model that was used in the demonstration did Last Updated 05/10/13 page 4 of 14 Grade 4 Science Unit: 06 Lesson: 02 Suggested Duration: 4 days not show the movement of water on Earth’s surface. Science Notebooks: Students should affix the Handout: Comparing Models in their science notebooks. ELABORATE – The Sun’s Role in the Water Cycle Suggested Day 3 1. Project the Teacher Resource: PowerPoint: The Sun’s Role in the Water Cycle. 2. At each picture, stop and ask students: In what way does the Sun play a role in this stage of the water cycle? Materials: paper (plain, 1 sheet per student) optional colored pencils (1 pack per pair of students) Attachments: 3. Distribute the Optional Handout: A Writing Connection. Instruct students to answer the three questions using pictures and words. 4. An alternative way to complete the writing connection is to distribute a piece of paper to each student. Instruct them to fold the paper in fourths to create a small booklet. Project the following three questions: Teacher Resource: PowerPoint: The Sun’s Role in the Water Cycle Optional Handout: A Writing Connection (1 per student) What allows the water cycle to continue? In what ways could the water cycle be sequenced? In what ways does the Sun play a role in the water cycle? 5. Instruct students to create a cover and then answer each of the three questions (one per page). EVALUATE – Performance Indicator Suggested Day 4 Grade 04 Science Unit 06 PI 02 Materials: Create an illustration that traces the movement of water as it cycles above and below the Earth’s surface. In a brief paragraph, describe the role that the Sun plays during each part of the water cycle. Standard(s): 4.2F , 4.8B ELPS ELPS.c.1C , ELPS.c.5F , ELPS.c.5G 1. Refer to the Teacher Resource: Performance Indicator Instructions KEY for information on administering the assessment. Last Updated 05/10/13 paper (plain, 1 sheet per student) colored pencils (1 pack per student) Attachment: Teacher Resource: Performance Indicator Instructions KEY page 5 of 14 Grade 4 Science Unit: 06 Lesson: 02 Water Cycle ©2012, TESCCC United States Geological Survey (Artist) (1983). Hydrologic cycle [Print]. Released to the public domain. 05/09/13 page 1 of 1 Grade 4 Science Unit: 06 Lesson: 02 Each One Teach One: The Water Cycle Explain the term “cycle”. Explain the term “evaporation”. Explain the term “condensation”. Explain the term “precipitation”. Explain the term “accumulation”. Explain the term “run off”. How might the water cycle differ in the desert than in the mountains? What are some factors that could affect the water cycle? Explain the term “cycle”. Explain the term “evaporation”. Explain the term “condensation”. Explain the term “precipitation”. Explain the term “accumulation”. How might the water cycle differ in the desert than in the mountains? ©2012, TESCCC Explain the term “run off”. What are some factors that could affect the water cycle? 10/11/12 page 1 of 1 Grade 04 Science Unit: 06 Lesson: 02 Water Cycle Captions Use the following captions to help you with the components of the water cycle model: precipitation, accumulation, condensation, and evaporation. Make sure you use color illustrations in addition to the captions. Water falls to the Earth, from the clouds, as precipitation. It collects in lakes, ponds, and oceans. Some precipitation seeps into the ground, and some precipitation flows along the land into bodies of water. The Sun’s energy heats the water and causes it to evaporate and become water vapor. The water vapor rises into the air. Warm winds carry the water vapor higher into the sky. In the sky, the water vapor cools and condenses on atmospheric particles into tiny droplets of water to form clouds. When the water droplets become heavy enough, they fall back to Earth as precipitation. ©2012, TESCCC 10/15/12 page 1 of 1 Grade 4 Science Unit: 06 Lesson: 02 Water Cycle Model heat lamp ice cubes plastic wrap heat-proof container heated, colored water ©2012, TESCCC 10/15/12 page 1 of 1 Grade 04 Science Unit: 06 Lesson: 02 Water Cycle Cards Cut out the cards. Read the statement on each card, and then match the card with the corresponding picture. You may check with a partner to verify that your matches are correct. Glue the matching pairs onto a plain piece of paper or directly into your science notebook. ©2012, TESCCC An aquifer is an underground layer of water that moves through porous rock. It is not an underground river. The water moves through the spaces of porous rocks such as limestone, sandstone, and some fractured volcanic rock. Water condenses around dust particles to form clouds. There are hundreds of water droplets in each drop of water. Water vapor evaporates back into the atmosphere. Evaporation is when liquid water changes state to a gas, or vapor. Evaporation is the main way that water moves back into the water cycle. Water sometimes seeps into the soil and is stored as groundwater. Most water on Earth is stored in the oceans. Water accumulates in streams, rivers, ponds, lakes, and oceans. Clouds release water back to Earth through precipitation in the form of rain, snow, sleet, or hail. The Earth’s water is always in motion. The Sun’s energy drives the water cycle and creates wind. 05/09/13 page 1 of 2 Grade 04 Science Unit: 06 Lesson: 02 . USGS (Photographer) (2012). Aquifer [Print]. Venegas, A. (Photographer) (2012). Clouds [Print]. Venegas, A. (Photographer) (2012). Fog [Print].Dobson, B. (Photographer) (2012). Clouds [Print]. USGS (Photographer) (2012). Water table [Print]. Environmental Literacy Council (Photographer) (2012). Water drops [Print]. Venegas, A. (Photographer) (2012). Cannon Beach [Print]. USGS (Photographer) (2012). Water Cycle [Print]. Venegas, A. (Photographer) (2012). River in WA [Print]. Microsoft. (Designer). (2010). Sun in sky [Web Graphic]. Retrieved from http://office.microsoft.com/enus/images/. ©2012, TESCCC 05/09/13 page 2 of 2 Grade 4 Science Unit: 06 Lesson: 02 Comparing Models Model we observed in class Illustration of how the water cycle works in my community Compare and contrast these two models. Include any limitations.________________________________________________________ ____________________________________________________________________________________________________________ ____________________________________________________________________________________________________________ ____________________________________________________________________________________________________________ ____________________________________________________________________________________________________________ ©2012, TESCCC 10/15/12 page 1 of 1 The Water Cycle In what ways does the Sun play a role in the water cycle? What allows the water cycle to continue? In what ways could the water cycle be sequenced? Grade 04 Science Unit: 06 Lesson: 02 Performance Indicator Instructions KEY Performance Indicator: Create an illustration that traces the movement of water as it cycles above and below the Earth’s surface. In a brief paragraph, describe the role the Sun plays during each part of the water cycle. (4.2F; 4.8B) 1C; 5F, 5G Materials: paper (plain, 1 sheet per student) colored pencils (1 pack per student) Instructional Procedures: 1. Instruct students to create an illustration that traces the movement of water as it cycles above, on, and below the Earth’s surface. 2. Once they have completed their illustration, students should write a brief paragraph to describe the role the Sun plays during each part of the water cycle. 3. Share Performance Indicator rubric or expectations with students prior to students beginning the assessment. 4. Answer any questions students may have regarding the assessment. Instructional Notes: You may wish to permit students to use all the resources they created during this lesson as reference material when completing the Performance Indicator. ©2012, TESCCC 05/09/13 page 1 of 1
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