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Water Cycle

Water Cycle. Are you drinking the same water a dinosaur drank?. What do you think? Is the water we have here on Earth today the same we had on Earth millions of years ago?. What is the water cycle?. The water cycle is the continuous movement of water through the Earth and its atmosphere.

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Water Cycle

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  1. Water Cycle Are you drinking the same water a dinosaur drank? What do you think? Is the water we have here on Earth today the same we had on Earth millions of years ago?

  2. What is the water cycle? The water cycle is the continuous movement of water through the Earth and its atmosphere.

  3. Condensation The movement through plants The Clouds form Transpiration Precipitation The rain falls Evaporation The vapor rises Collection The water collects on Earth

  4. Evaporation • Evaporation is when a liquid changes into a vapor or gas. • Water on the ground evaporates, becoming water vapor.

  5. Condensation • Condensation is the process of a gas turning into a liquid. • Once the warm gas hits the cooler air it changes back into a liquid and forms a cloud.

  6. Precipitation • The falling of water from the sky in the form of rain, sleet, hail, or snow.

  7. Precipitation • How does it happen? • Tiny water droplets bounce around in the cloud. As they hit each other, they stick together and become larger. • Once they become so heavy, the cloud can no longer hold them. It begins to precipitate.

  8. Collection Collection- water is stored on earth as streams, rivers, lakes, oceans, and as ground water.

  9. Transpiration • Transpiration is the process by which plants give off moisture into the atmosphere. • Do plants sweat? • Well, sort of.... People perspire (sweat) and plants transpire. Transpiration is the process by which plants lose water out of their leaves. Transpiration gives evaporation a bit of a hand in getting the water vapor back up into the air.

  10. Vapor • A gas formed from something that is usually in the form of rain, snow, sleet, or hail.

  11. Exit Slip: Step 1: Get out a sheet of paper and a pencil. Step 2: Write your name, date, and period on your paper. Step 3: Read the question and mark your ANSWER ONLY. Step 4: Do the best you can.

  12. 1. What is precipitation? • The sweat from our bodies on hot days. • Any form of water that falls from the sky. • The gas we use in ovens. • Warm rain, but not cold sleet or snow.

  13. 2. What is the water cycle? • The process through which water evaporates. • The path that water takes from the earth to the clouds and back again. • The path water takes from the mountain top to the soil. • The process of water falling from the clouds.

  14. 3. Which of these describes evaporation? • Plants lose water through their leaves. • What goes up must come down. • Water vapor becomes a liquid. • Water warms up and becomes a vapor.

  15. 4. WHAT IS TRANSPIRATION? • The process through which plants release water from their leaves back into the air. • The process through which humans release sweat from their skin • What happens when water vapor turns into a liquid. • The scientific name for the water cycle.

  16. Before you leave place your exit slip in the appropriate tray. • You should be studying each night. • You will study the Power Point notes tonight. • Your assessment will be this Friday.

  17. Evaporation Experiment • Materials • 1. 2 clear plastic cups • 2. Felt marker • 3. Clear plastic wrap • 4. Water • Directions: • Partly fill the plastic cups with water so that they both have the same level of water. Mark the levels with the marker. Seal one of the cups with plastic wrap. Leave it for a day. Look at both cups and mark where the water levels are. Do this for a few more days, marking the levels each day and noting any change. Your child will notice that the water level goes down in the cup that has no cover. Where does the water go? Talk about the water disappearing and explain what evaporation is.

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