Water Cycle (grade 9) J&Y

How do you explain the water cycle?

• How the water changes its concentration and density

• How water polarity effect other molecules

• How water evaporates from the surface of the earth, rises into the atmosphere, cools and condenses into rain or snow in clouds, and falls again to the surface as precipitation.

• Is the process of converting wastewater into water that can be reused for other purposes

What are the 4 stages of the water cycle?

• They are evaporation, condensation, precipitation and collection

• Photosynthesis, transpiration , crystallization and osmosis

• They are different types of seasons: winter, autumn, spring and summer

• None of the above

Evaporation, Condensation, Sublimation, Precipitation, Transpiration, Runoff, Infiltration are parts of the ...

• Cycle of seasons

• Water cycle

• Fog cycle

• None of the above

When gas changes to a liquid it is called __________.

• Evaporation

• Precipitation

• Condensation

• Transpiration

True or False: Moisture that falls from the sky is called fog

• True

• False

As time goes by,and water goes through the water cycle again and again,the amount of water on Earth....

• Goes up and down

• Decreases

• Increases

• Stays the same

Water that falls from clouds to Earths surface...

• Condensation

• Precipitation

• Evaporation

• Transpiration

Where is most of Earths fresh water that we use to drink found?

• Glaciers

• Underground

• The ocean

• Rivers and streams

What is it called when plants give off water vapor as a waste product?

• Sublimation

• Evaporation

• Transpiration

• Condensation

Which of the following causes all of the water on the planet to change its state (solid, liquid, gas) and move through the water cycle?

• Temperature

• Size of ocean

• Melting glociers

• Changes in the biological proccesses