Layers of the Atmosphere Review

Front

What are the layers of the atmosphere?

Back

The atmosphere is divided into five main layers: Troposphere, Stratosphere, Mesosphere, Thermosphere, and Exosphere.

Front

Which layer of the atmosphere is closest to the Earth's surface?

Back

The Troposphere is the layer closest to the Earth's surface.

Front

What is the primary gas found in the Troposphere?

Back

The primary gas in the Troposphere is Nitrogen, making up about 78% of the atmosphere.

Front

What is the temperature trend in the Stratosphere?

Back

In the Stratosphere, temperature increases with altitude due to the absorption of UV radiation by the ozone layer.

Front

What is the coldest layer of the atmosphere?

Back

The Mesosphere is the coldest layer of the atmosphere.

Front

What percentage of the atmosphere is made up of oxygen?

Back

Oxygen makes up about 21% of the Earth's atmosphere.

Front

What is the role of the Ozone layer?

Back

The Ozone layer, located in the Stratosphere, protects living organisms by absorbing harmful ultraviolet (UV) radiation from the sun.

Front

Where is most of the water vapor in the atmosphere found?

Back

Most of the water vapor in the atmosphere is found in the Troposphere.

Front

What happens to air pressure as you ascend through the atmosphere?

Back

Air pressure decreases as you ascend through the layers of the atmosphere.

Front

What is the Thermosphere known for?

Back

The Thermosphere is known for its high temperatures and the presence of the ionosphere, which is important for radio communication.