Terms in this set (15)
What is the water cycle?
a process in which water travels from the ocean back to the ocean
What are the three stages of the water cycle?
evaporation, condensation, precipitation
What happens during evaporation?
the sun's energy heats water and turns it into a gas called water vapor
What happens during condensation?
When the water vapor rises, it cools and changes to a liquid. A cloud forms when there is a lot of condensation.
When does a cloud form?
When a lot of water vapor condenses.
What is precipitation?
Water falling from earth's atmosphere back to Earth's surface
Where does the water from precipitation go?
1. Most water goes back to the oceans.
2. Water soaks into the soil for crops and plants.
3. Some goes into the groundwater.
4. Some goes to lakes, streams, and rivers.
What are the three states of matter of water?
liquid, gas, solid
What part of Earth is covered with water?
Three- fourths [75%]
What is sewage?
human waste that can normally be flushed away
How much percent of water on earth is fresh water? Where is it located?
1% At the North and South Poles and in frozen glaciers.
Why is the water cycle important?
People, plants, and animals need fresh water to live.
What is the amount of water vapor in the air?
What is a cloud made of?
dust and condensed water
What are the four ways water can come down as precipitation?
rain, sleet, snow, hail