Earth's Atmosphere

Front

What percentage of the atmosphere is made up of oxygen?

Back

Approximately 20%.

Front

What is the function of the ozone layer in the stratosphere?

Back

It protects us from ultraviolet radiation.

Front

What layer of the atmosphere is directly above the troposphere?

Back

Stratosphere.

Front

What tool is used to measure air pressure?

Back

Barometer.

Front

Which layer of the atmosphere has the greatest air pressure?

Back

Troposphere.

Front

What gas is most abundant in the Earth's atmosphere?

Back

Nitrogen, making up about 78%.

Front

What is the layer of the atmosphere where weather occurs?

Back

Troposphere.

Tags

NGSS.MS-ESS2-5

Front

What is the name of the layer above the stratosphere?

Back

Mesosphere.

Front

What is the term for the boundary between the troposphere and the stratosphere?

Back

Tropopause.

Front

What is the main purpose of the atmosphere?

Back

To protect life on Earth by filtering harmful solar radiation and maintaining temperature.