Environmental Science - Earth's Atmosphere

Front

What is the function of the ozone layer?

Back

To block UV rays from getting to Earth.

Front

Which layer of the atmosphere contains the ozone layer?

Back

Stratosphere.

Front

How did scientists determine where the layers of the atmosphere are divided?

Back

A change in temperature.

Front

Which gas makes up 78% of our atmosphere?

Back

Nitrogen.

Front

The troposphere is heated from below, which drives weather patterns caused by?

Back

Convection Currents.

Front

What is the primary component of the Earth's atmosphere?

Back

Nitrogen (78%) and Oxygen (21%).

Front

What is the role of the stratosphere?

Back

It contains the ozone layer that protects Earth from harmful UV radiation.

Front

What is the difference between the troposphere and the stratosphere?

Back

The troposphere is where weather occurs, while the stratosphere contains the ozone layer.

Front

What are convection currents?

Back

They are the movement of air caused by the heating of the Earth's surface.

Front

What is the significance of the thermosphere?

Back

It is the layer where the temperature increases significantly with altitude and contains the ionosphere.