Water Cycle Quiz

What term is used to describe the process by which plants release water vapor into the air?

• Groundwater

• Dew point

• Transpiration

• Precipitation

Which term refers to the amount of water vapor present in the air?

• Absolute humidity

• Crystallization

• Water cycle

• Groundwater

What is the term for the temperature at which air becomes saturated with water vapor and dew can form?

• Relative humidity

• Dew point

• Precipitation

• Transpiration

What is the name given to the series of processes by which water moves throughout the Earth's atmosphere and surface?

• Groundwater

• Water cycle

• Absolute humidity

• Crystallization

What is the ultimate energy source that drives the water cycle on Earth?

• The wind

• The sun

• Geothermal heat

• The moon

As water makes its journey through the water cycle, what does it do?

• It remains in a constant state

• It decreases the surrounding temperature

• It transfers energy to and from the surrounding environment

• It creates new water particles

What is one of the applications of understanding the water cycle that is mentioned in the text?

• Predicting volcanic eruptions

• Designing systems to clean wastewater in a town

• Developing new water sports

• Studying the behavior of marine life

What percentage of the Earth's total water is found in the ocean?

• 97%

• 75%

• 50%

• 25%

What is transpiration?

• The process by which plants absorb water through their roots

• The evaporation of water from the leaves of plants

• The movement of water through the soil to the ocean

• The condensation of water vapor on plant leaves

How does water enter the atmosphere from plants?

• Through the roots absorbing water from the soil

• By water vapor escaping through tiny openings on the underside of leaves

• Through the condensation of water on the surface of leaves

• By water being pulled up by the gravitational force of the sun