Front

What is weather?

Back

The state of the atmosphere at any particular time.

Front

What does relative humidity measure?

Back

The amount of moisture in the air compared to the maximum amount it can hold at a given temperature.

Front

What happens when relative humidity is 100 percent?

Back

The air is fully saturated with moisture, and it may start to rain if the temperature drops.

Front

What is the relationship between temperature and the air's ability to hold moisture?

Back

As temperature increases, the air can hold more moisture.

Front

What device measures air pressure?

Back

A barometer.

Front

If the air is holding one-third as much moisture as it can possibly hold, what is the relative humidity?

Back

33 percent.

Front

What is the effect of high humidity on comfort levels?

Back

High humidity can make the air feel sticky and uncomfortable.

Front

What is the water cycle?

Back

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

Front

What is precipitation?

Back

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

Front

What are clouds made of?

Back

Tiny water droplets or ice crystals suspended in the air.