AFNR webXam Review Strand 6

Front

What is an Ion?

Back

A charged molecule due to the loss or gain of electrons.

Front

What is Non-point source pollution?

Back

Pollution that cannot easily be traced to a single source.

Front

What is Point source pollution?

Back

Pollution that can be traced to a specific source.

Front

What is Runoff in the water cycle?

Back

The flow of water, usually from precipitation, that moves across the ground and returns to bodies of water.

Front

What effect does the sun have on surface water?

Back

It causes it to evaporate.

Front

What is Evaporation?

Back

The process by which water changes from a liquid to a gas.

Front

What is Condensation?

Back

The process by which water vapor cools and changes back into liquid water.

Front

What is Precipitation?

Back

Any form of water, liquid or solid, that falls from the atmosphere to the Earth's surface.

Front

What is the water cycle?

Back

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

Front

What is a pollutant?

Back

A substance that contaminates the environment.