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Water Conservation & Education Department 502 Municipal Drive Lubbock, TX 79457 806.775.2586 806.775.3027 fax Title: Bringing the Rain to Kapiti Plain Grade Level: K12345678 Objectives: For the students to understand that water changes states by melting and freezing For the students to demonstrate ways objects move For students to explain how water is constantly being cycled around For students to identify different sources of natural water in relation to the water cycle Materials: Ring Stand Clamp Hot Plate Beaker Pie Tin Ice Water Food Coloring Ziploc Baggies Permanent Markers Technology: TEKS: 3.3C represent the natural world using models and identify their limitations, including size, properties, and materials 3.5C predict, observe, and record changes in the state of matter caused by heating or cooling 3.8B describe and illustrate the Sun as a star composed of gases that provide light and heat energy for the water cycle Completion Time: 40 minutes N/A Advanced Preparation: N/A Engage Read aloud “Bringing the Rain to Kapiti Plain”. Set up a demonstration of the water cycle. As the demonstration is being set up, ask the students about drought. What is it? Does it happen in Lubbock? What did the animals do? What do people do when there is a drought? Explore Explain Elaborate Look at the water in the beaker. Discuss where we find water. ( rivers, lakes, oceans) Turn on the hot plate. Discuss what the hot plate represents. (Sun) The Sun produces heat which causes water to evaporate. What happens as the water is heated up? (It begins to rise) Discuss where the Sun is in relation to different locations on Earth, and its impact during different seasons Discuss what the ice represents. (Condensation) The higher you rise, the cooler it gets. (mountain example) This forms the clouds. They travel by the wind all over the Earth. The water thus travels, not just straight up and down. How do we know when a cloud is getting full of water? (darker) When clouds get too full they release precipitation. This is shown on the bottom of the pie tin. Gravity pulls the precipitation towards the ground. It may fall into another body of water, or the ground. The water is used, collected, and recycled back. Discuss the model that was demonstrated and the limitations. Then have the students create a different model of the water cycle. On one side of a Ziploc baggie have the students draw (in permanent marker) an outline of the water cycle. Fill the baggie with about one inch of water. Put a few drops of food coloring in the water. Then seal the baggie shut. Tape the baggie to a window with direct sunlight. Observe what happens inside the baggie over the course of a week. . Evaluate Vocabulary Assessment Water Cycle Assessment Vocabulary clouds – a large collection of very tiny water droplets or ice crystals, so small and light that they float in the air condensation – the changing of a gas or vapor into a liquid; when the air cools evaporation – the changing of a liquid into a gas or vapor; when the sun heats up water fog – a cloud that has formed near the surface of the earth producing a grayish-looking area over the landscape; difference between mist and fog is visibility groundwater – supply of fresh water below the Earth’s surface hail – ice crystals that are bounced around wind before falling to the ground lake – an inland body of water, usually fresh water, formed by glaciers and river drainage ocean – the great bodies of salt water which cover more than two-thirds of the earth’s surface pond – a small body of fresh water that does not flow; generally smaller than a lake precipitation – is condensation falling onto land in the form of rain, sleet, hail, snow, or mist rain – water drops which fall to the earth from the air river – a flowing, moving stream of water season - each of the four divisions of the year (spring, summer, autumn, and winter) each with different weather patterns and temperatures sleet – water that freezes as it falls in the cold air, melts, then refreezes before it hits the ground snow – water that freezes as it falls in the cold air and never melts before it hits the ground stream – a small narrow river sun – large star which powers the water cycle by providing heat energy surface water – water that is stored on the Earth’s surface water cycle – continuous movement of water from the oceans and fresh water sources to the air and land and then back to the oceans water vapor – water in the form of gas Websites Literature DC Water for Kids http://www.dcwater.com/kids/activities/watercycle.html Scholastic Study Jams! http://studyjams.scholastic.com/studyjams/jams/science/ecosystems/water-cycle.htm EPA http://www.epa.gov/safewater/kids/flash/flash_watercycle.html The Drop in My Drink: The Story of Water on Our Planet By Meredith Hooper (1998) The Life and Times of a Drop of Water By Angela Royston (2005) The Water Cycle By Joy Richardson (1992) The Water Cycle (Water All Around) By Rebecca Olien (2005) Water Goes Round: The Water Cycle By Robin Koontz & Chris Davidson (2011) Water Cycle Background Template Graphics USGS Water Cycle Chart (with labels) USGS Water Cycle Chart (without labels) Water Conservation & Education Department 502 Municipal Drive Lubbock, TX 79457 806.775.2586 806.775.3027 fax @2014 – M. Waggoner Link Attachments Name ___________________________________________________ Water Cycle Assessment Multiple Choice _____ 1. Where is most water found on Earth? A. in glaciers B. in lakes C. in rivers D. in oceans _____ 2. What source of energy evaporates th A. volcanoes B. the sun C. lightning D. wind _____ 3. What is water doing when it is changed to water vapor? A. evaporating B. condensing C. precipitating D. freezing _____ 4. What is water vapor doing when it changes to water? A. evaporating B. condensing C. precipitating D. freezing _____ 5. What controls whether water is a gas, liquid or solid ice? A. the shape or size of the cup B. where it has been stored C. if it is being used for irrigation D. what its temperature is _____ 6. Where does condensation occur in the water cycle? A. clouds forming B. ocean water changing to water vapor C. water flowing down a river D. underground water soaking into rocks and soil _____ 7. How can water vapor in the air return to Earth? A. it evaporates and is blown by the wind B. it evaporates and forms clouds C. it condenses then precipitates D. it sticks to any warm surface it comes in contact with _____ 8. As time goes by, and water goes through the water cycle again and again, the amount of water on Earth _______. A. Increases B. Decreases C. Stays the same D. Goes up and down _____ 9. On which kind of day would you expect the most evaporation from the surface of a pond? A cold, rainy B. cold, sunny C. warm, rainy D. warm, sunny Use this model of the water cycle to answer the next three questions. land water _____ 10. Where is water evaporating into the air? A. from A to B B. from B to C C. from C to D D. from D to A _____ 11. Where is water condensing? A. from A to B B. from B to C C. from C to D D. from D to A _____ 12. Where is precipitation occurring? A. from A to B B. from B to C C. from C to D D. from D to A _____ 13. What does heat from the sun cause liquid water to do? A. evaporate into the air B. travel deeper into the soil C. change into a solid D. fall from clouds as rain _____ 14. Which type of rainfall would be most helpful to farmers? A. rainfall that evaporates quickly B. rainfall that runs off the land quickly C. rainfall that soaks into the soil slowly D. very little rainfall Constructed Response 1. How does the sun affect water on Earth? 2. Explain why evaporation would occur more quickly in Lubbock during the summer than in Amarillo during the winter. 3. How might water from an ocean end up on a field in Texas? 4. Give three examples of what can happen to a drop of water after it falls as rain on the ground. 5. List five ways water is stored as it passes through the water cycle.