The Water Cycle, Water Distribution, and Properties of Water

Front

What is the water cycle?

Back

The movement of water on, above, or below the surface of the Earth.

Front

What represents the distribution of water on Earth?

Back

3% freshwater, 97% salt water.

Front

What property of water prevents a water balloon from popping over a flame?

Back

High specific heat capacity.

Front

How does the total amount of water in the hydrosphere vary over time?

Back

The total amount of water in the hydrosphere remains the same over time, but changes form due to the water cycle.

Front

What is the energy source for the water cycle?

Back

The sun.

Front

What are the three forms of water?

Back

Solid (ice), liquid (water), and gas (water vapor).

Front

What is evaporation in the water cycle?

Back

The process where liquid water turns into water vapor.

Front

What is condensation in the water cycle?

Back

The process where water vapor cools and changes back into liquid water, forming clouds.

Front

What is precipitation?

Back

Any form of water that falls from clouds to the Earth's surface, such as rain, snow, sleet, or hail.

Front

What is the role of the sun in the water cycle?

Back

The sun provides the energy needed for evaporation and drives the water cycle.