1. The Water Cycle

2. Earth and Water  The water on Earth today is the same water that was on Earth billions of years ago.  We are drinking the same water dinosaurs drank!  About ___ of the Earth’s surface is water.  Every day 40 trillion gallons of water is being cycled through the atmosphere.

3. http://earthguide.ucsd.edu/earthguide/diagrams/watercycle/

4. Water Cycle ( 6 PROCESSES INVOLVED) evaporation - the process where liquid changes into a gas (water vapor) due to heating condensation- water vapor in the air that turns back into liquid precipitation- water in the air that falls to the earth in the form of rain, snow, sleet, or hail transpiration- vapor that comes from plants, trees, and the ground and goes into the air infiltration- water soaks into the ground- some returns to the surface, some remains in-ground run-off- precipitation that returns to earth into rivers, streams, and oceans

5. Study Jams Water Cycle http://teacher.scholastic.com/activities/studyjams/water_cycle/

6. Evaporation You need 2 things: 1.The sun 2.Water Gas – water vapor

7. Evaporation Demonstration

8. Transpiration Water Gas – Water Vapor

9. Transpiration Activity 1.What do you notice about the side with the bag covering the leaves? 2.Where do you think the transpiration goes on the side that is not covered?

11. Condensation WARMER AIR COLDER AIR Gas Water Vapor Liquid Water Droplets

12. Condensation Activity 1.What caused the water droplets to form on the outside of the glass? 2.Where did the water droplets come from? 3.How is this similar to the water cycle?

13. Cloud in a Jar 1.Why did we put the ice on top of the jar? 2.What was the purpose of the match? 3.What happened to the “smoke”? 4.How does this represent what happens during the water cycle?

14. Precipitation BIG HEAVY RAIN SLEET HAIL SNOW

15. Make a Rain Gauge

16. Run- Off BODY OF WATER SLOPE

17. Run-off Activity 1.What happens to water that does not met a sloped surface? 2.Is there a difference in the water that runs-off soil, rock, etc?

19. Infiltration DIRT GROUNDWATER

20. Infiltration Activity

21. Water Cycle Simulation CLICK

22. Magic School Bus Wet All Over

23. Create your own water cycle! WARM WATER