Water Cycle (Part 1)

Where is most water found on earth?

• in glaciers

• in rivers

• in lakes

• in oceans

What source of energy evaporates the most water from Earth's surface?

• volcanoes

• sun

• wind

• lightning

What is water doing when it is changed to water vapor?

• evaporating

• condensing

• precipitating

• freezing

What is water vapor doing when it changes to liquid water?

• evaporating

• condensing

• precipitating

• freezing

What controls whether water is a gas, liquid, or solid?

• size

• shape

• use

• temperature

Where does condensation occur in the water cycle?

• Clouds forming in the sky.

• Ocean water changing to water vapor.

• Water soaking in to rocks & soil.

• Water flowing down a river.

How can water vapor in the air return to Earth?

• It evaporates and is blown by wind.

• It evaporates and forms clouds.

• It condenses then precipitates.

• It sticks to any warm surface it comes in contact with.

On which kind of day would you expect the most evaporation on a pond surface to occur?

• cold, rainy

• cold, sunny

• warm, rainy

• warm, sunny

Many towns use water from wells for drinking. How does water get into wells?

• It has to be poured into them from water tanks.

• Rain sinks down through the soil into them.

• It is pumped by large engines into the well.

• It evaporates from inside of the earth.

What does heat from the sun cause liquid water to do?

• Evaporate into the air

• Change into a solid

• Travel deeper into the soil

• Fall from clouds as rain