Atmosphere & Climate
The Water Cycle
Clouds, Winds, and Storms
100

The very thin, invisible shield surrounding and protecting the Earth.

What is the Atmosphere?

100

This element covers three fourths (75%) of the Earth's Surface.

What is water?

100

The line where warm air mass and a cold air mass meet.

What is a front?

200

Gases, like matter, are made up of these small, invisible particles. 

What are Molecules?

200

The changes and movements of Earth's water.

What is the Water Cycle?

200

This occurs when the Sun shines on an ocean or another body of water.

What is evaporation?

300

We live in this layer of the atmosphere.

What is the troposphere?

300

This is the invisible and gas state of water.

What is Water Vapor?

300

This type of cloud is thin, wispy, made of ice crystals and usually means fair, pleasant weather. 

What is cirrus?

400

The lowest part of the stratosphere.

What is the ozone layer?

400

The Earth gets energy from this to power the water cycle and helps water change from one state to another.

What is the Sun?

400

This instrument measures air pressure. 

What is a barometer?

500

The Ozone Layer absorbs these from the Sun.

What are Ultraviolet Rays?

500

Groundwater collects in these tiny spaces between particles of soil and in layers of porous rock. These are considered underground reservoirs of water.

What is an aquifer?

500

This instrument measures the wind.

What is an anemometer?