Unit 2 Review

Front

What are the charges of the atoms in a water molecule?

Back

Hydrogen= positive; Oxygen= negative.

Front

What type of water body does water move the slowest?

Back

Groundwater.

Front

What does the area labeled with the #4 represent in a water cycle diagram?

Back

Water table.

Front

What is condensation?

Back

The process of changing from a gas to a liquid.

Front

What percentage of Earth's water is saltwater?

Back

97%; 3% is fresh water.

Front

What is the main component of a water molecule?

Back

Two hydrogen atoms and one oxygen atom.

Front

What is a watershed?

Back

An area of land that drains into a particular water body.

Front

What is the water cycle?

Back

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

Front

What is evaporation?

Back

The process of changing from a liquid to a gas.

Front

What is precipitation?

Back

Any form of water that falls from the atmosphere to the Earth's surface.