Water Cycle Quiz

What percentage of Earth's surface is covered in water?

• 50%

• 71%

• 85%

• 90%

Where is most groundwater found?

• In the ocean

• In the atmosphere

• In the spaces between and within rocks

• On mountain tops

What is the main driving force behind the water cycle?

• The sun

• The ocean

• The wind

• The moon

What is the driving force behind the water cycle?

• Wind

• The Sun's energy

• Ocean currents

• Earth's gravity

What happens to water when it is heated by the sun?

• It freezes

• It evaporates

• It condenses

• It solidifies

What is evaporation?

• A fast change from gas to liquid

• A slow change from liquid to gas

• A change from solid to liquid

• A fast change from liquid to solid

What percentage of water vapor in Earth's atmosphere comes from evaporation?

• 50%

• 70%

• 90%

• 100%

What is the process called when water vapor changes from a gas to a liquid?

• Evaporation

• Precipitation

• Condensation

• Sublimation

What happens to air as it rises through the atmosphere?

• It gets warmer

• It gets colder

• It stays the same temperature

• It turns into liquid

What do water droplets in the air stick to in order to form clouds?

• Leaves

• Rocks

• Dust and small ice crystals

• Sand