Energy and the Earth’s Atmosphere

Front

What gas makes up the majority of the Earth's atmosphere?

Back

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

Front

What are the belts of radiation that trap harmful particles from the Sun called?

Back

Van Allen belts.

Front

In which layer of the atmosphere does the space shuttle orbit?

Back

Thermosphere.

Front

What is the term for how high up you are in relation to sea level?

Back

Altitude.

Front

What is electromagnetic radiation?

Back

A form of energy that travels through space as waves.

Front

What gas is essential for human respiration?

Back

Oxygen.

Front

What layer of the atmosphere contains the ozone layer?

Back

Stratosphere.

Front

What is the primary function of the ozone layer?

Back

To protect Earth from harmful ultraviolet (UV) radiation from the Sun.

Front

What is the term for the movement of air in the atmosphere?

Back

Wind.

Front

What is the greenhouse effect?

Back

The process by which certain gases trap heat in the Earth's atmosphere, keeping the planet warm.