The Water Cycle

When liquid water is heated by the sun and turns into water vapor, this is __________.

• precipitation

• evaporation

• condensation

When water vapor cools and turns back into liquid water, this is ___________.

• precipitation

• evaporation

• condensation

When liquid or solid water falls from the sky, this is ______________.

• precipitation

• evaporation

• condensation

Which form of precipitation is the only liquid?

• rain

• snow

• sleet

• hail

In this picture, which of these is NOT an example of accumulation/collection?

• The rain falling on the mountains.

• The snow sitting on top of the mountains.

• The water in the lake.

• The groundwater under the mountains.

In this picture, what do the curvy lines above the tree represent?

• evaporation

• transpiration

• infiltration

In this picture, the lake and river are both types of ________.

• saltwater

• groundwater

• surface water

Why is the atmosphere important to the water cycle?

• It keeps water vapor molecules from flying off into space.

• It insulates the planet so that the planet doesn't get too hot or too cold for liquid water.

• It provides the right type of environment for clouds and precipitation to form.

• All of these answers.

Why is the sun important to the water cycle?

• Earth is just the right distance from the sun to have temperatures that are not too hot or too cold for liquid water.

• The sun's heat causes water to evaporate.

• The sun's light helps us see.

• Only the first two answers are correct.

Which one is safe and healthy for people, plants, and animals to drink?

• freshwater

• saltwater