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Water Cycle

Water Cycle. By: Justine Dickard. 2 nd grade science. Purpose: understand where water is found and the water cycle Objectives: Learn that water is present in the air and what different forms water has Learn water cycle Directions:

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Water Cycle

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  1. Water Cycle By: Justine Dickard

  2. 2nd grade science

  3. Purpose: understand where water is found and the water cycle • Objectives: • Learn that water is present in the air and what different forms water has • Learn water cycle • Directions: • Discuss water cycle and look at slides. After lesson is complete, then answer questions about water cycle

  4. Water is in air as… Ice Snow Sleet hail • Clouds • Steam • fog, • rain

  5. Water vapor • Water changes from liquid to vapor (gas) when energy heat is added to it. It becomes evaporation. • When water vapor cools it becomes liquid again. This is called condensation.

  6. Clouds • Water droplets in air form clouds • When droplets or clouds get heavy enough they fall to earth and create precipitation (rain, snow, sleet, and hail)

  7. Where does precipitation go? • Some precipitation soaks into the ground • Rest of precipitation collects in ponds and lakes or streams and rivers which flow into oceans

  8. Solid water forms • Water droplets change to solid (snow, sleet, or hail) when the weather is cold enough.

  9. Water cycle

  10. You should now be able to understand the three main parts of the water cycle: Precipitation, evaporation, and condensation. If you have any questions, now is the time to ask.

  11. Question #1 • What makes rain fall? Water droplets get heavy in clouds and fall Heat energy is added to water vapor The weather gets cold enough to make it rain

  12. Question #2 • Where does some precipitation go after it falls? Sky Ground Puddles

  13. Question #3 Label evaporation, condensation, and precipitation on the cycle chart.

  14. You are correct! Rain forms when water droplets form clouds and gets too heavy.

  15. Try again! • Review what happens when heat energy is added to water vapor

  16. Try again! When weather gets cold enough, it can form snow, sleet, or hail.

  17. Try again! Please review information on precipitation

  18. Correct! Precipitation can soak into the ground or collect in ponds, lakes, streams, rivers, and oceans.

  19. Try again! Please review information on precipitation

  20. Condensation

  21. Precipitation

  22. Evaporation

  23. Activities • Water cycle chart Water cycle activity. (n.d.). Retrieved from http://www.kidzone.ws/water/cactivity1.htm • Relf, P. (1996). The magic school bus wet all over : A book about the water cycle. Scholastic Paperbacks.

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