Energy and the Earth’s Atmosphere

Front

What is the main gas that makes up the Earth's atmosphere?

Back

Nitrogen, which makes up about 78% of the atmosphere.

Front

What percentage of the atmosphere is made up of oxygen?

Back

Oxygen makes up approximately 20.9% of the atmosphere.

Front

How does air pressure change as you climb a mountain?

Back

Air pressure decreases as you climb higher.

Front

In which layer of the atmosphere do clouds and weather occur?

Back

Clouds and weather occur in the troposphere.

Front

What is the boundary that separates the mesosphere and the thermosphere called?

Back

The boundary is called the Mesopause.

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 the mesosphere?

Back

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

Front

What is the thermosphere?

Back

The thermosphere is the uppermost layer of the atmosphere, characterized by high temperatures.

Front

What is atmospheric pressure?

Back

Atmospheric pressure is the force exerted by the weight of air above a given point.