Q3 Vocab Earth's Atmosphere and Water Cycle

Front

Troposphere

Back

The first layer of Earth's atmosphere that is closest to the ground and is where clouds and weather occur.

Front

Stratosphere

Back

The second layer of the atmosphere that contains ozone and absorbs UV radiation.

Front

Mesosphere

Back

The third layer of the atmosphere that protects the earth from meteoroids and is the coldest layer.

Front

Thermosphere

Back

The layer of the atmosphere with the hottest temperatures. (4th layer)

Front

Exosphere

Back

The outer layer of the thermosphere, extending outward into space.

Front

Geosphere

Back

The rocky solid part of the earth.

Front

Hydrosphere

Back

All of Earth's water.

Front

Biosphere

Back

The part of Earth where all living things exist.

Front

Atmosphere

Back

Layers of gases that surround the Earth.

Front

Nitrogen

Back

Makes up 78% of the Earth's atmosphere.