The Water Cycle Miss. Anselmo Subject : Water Science 3rd Grade 9/25/2012
Today We Will Learn• What is the water cycle?• What is the meaning of evaporation, condensation and precipitation?• Why does it rain and snow?• Where does the water come from?• How does water go to the sky?
What have we learned about water? What runs and has no feet, roars but has no mouth?Solid Liquid Gas the ocean, waterfalls, lakes or rivers Everything living needs water.
How is there always water in the ocean, waterfalls, lakes and rivers?
Water cycle condensation precipitation evaporation
EvaporationEvaporation is when the sun heatsup water in rivers or lakes or theocean and turns it into vapor orsteam. The water vapor or steamleaves the river, lake or ocean andgoes into the air
CondensationWater vapor in the air getscold and changes back into liquid, forming clouds.
PrecipitationPrecipitation occurs when so much water has condensed that the air cannot hold it anymore. The clouds get heavy and water falls back to the earth in the form of rain, hail, sleet or snow. Video
Water cycle Review condensationprecipitation evaporation