Water Cycle

Which pair is an example of condensation?

• dew and frost

• snow and sleet

• rain and hail

• fog and snow

In which process are clouds and dew formed?

• evaporation

• condensation

• runoff

• precipitation

Which is considered runoff in the water cycle?

• water falls as rain, snow, or sleet from the clouds

• water falls to Earth and flows over land to lakes and streams

• water vapor cools and turns into clouds

• water changes to water vapor from oceans, lakes, and streams

What is the main source of energy in the water cycle?

• burning of fossil fuels

• clouds releasing precipitation

• heating of the Earth's surface by the Sun.

• water being pulled underground by gravity.

A student observes droplets of water on the leaves of a rose plant in the morning. At noon, the student finds the water droplets are no longer on the leaves. Which statement explains why the water droplets vanish?

• sunlight causes the water droplets to evaporate

• sunlight causes the water droplets to condense

• water cools on the leaves to form water vapor.

• water warms on the leaves to form heavier water droplets

Which step of the water cycle is described correctly?

• condensation occurs when water vapor turns into a liquid

• precipitation occurs when water flows across the land

• Evaporation occurs when vapor turns into a liquid

• condensation occurs when water vapor turns into a liquid

Christopher is excited because he heard it will snow on Saturday. During which phase of the water cycle would the snow fall to the ground?

• condensation

• evaporation

• precipitation

• transpiration