Front

What is weather?

Back

The state of the atmosphere at any particular time.

Front

What happens when relative humidity is 100 percent and temperature falls?

Back

It will start to rain.

Front

Why is the temperature lower at night than during the day?

Back

The temperature depends on energy from the sun.

Front

What device measures air pressure?

Back

Barometer.

Front

What can you conclude if it's a hot day outside?

Back

The air can hold a lot of moisture.

Front

What is humidity?

Back

The amount of moisture in the air.

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

Front

What is a thermometer used for?

Back

To measure temperature.

Front

What is a weather front?

Back

A boundary between two different air masses.