Layers of the Atmosphere

Front

What gas makes up 21% of the atmosphere?

Back

Oxygen is the gas that makes up 21% of the atmosphere.

Front

What is the layer of gases that surrounds the planet and makes conditions on Earth suitable for living things?

Back

The atmosphere is the layer of gases that surrounds the planet.

Front

What is the function of the ozone layer?

Back

The ozone layer blocks UV rays from getting to Earth.

Front

What is the layer of the atmosphere furthest from Earth's surface?

Back

The exosphere is the layer of the atmosphere furthest from Earth's surface.

Front

What gas makes up 78% of the atmosphere?

Back

Nitrogen is the gas that makes up 78% of the atmosphere.

Front

What is the troposphere?

Back

The troposphere is the lowest layer of the atmosphere where weather occurs.

Front

What is the stratosphere?

Back

The stratosphere is the layer above the troposphere, containing the ozone layer.

Front

What is air pressure?

Back

Air pressure is the force exerted by the weight of air above a surface.

Front

What is the mesosphere?

Back

The mesosphere is the layer of the atmosphere above the stratosphere, where temperatures decrease with altitude.

Front

What is the importance of the atmosphere for living things?

Back

The atmosphere provides oxygen, protects from harmful solar radiation, and regulates temperature.