Atmosphere Test Review

Which of the following gasses makes up the majority of our atmosphere?

• Oxygen

• Carbon dioxide

• Nitrogen

• Water vapor

This layer of the atmosphere contains weather activity, most clouds, and air currents that affect life on Earth.

• Stratosphere

• Thermosphere

• Mesosphere

• Troposphere

Which layer of the atmosphere contains the ozone layer?

• Stratosphere

• Thermosphere

• Mesosphere

• Troposphere

Why is the ozone layer important to life on Earth?

• It helps keep the gravitational field

• It blocks harmful UV radiation

• It blocks out the light from other planets

• It keeps bugs out of the air

Why are areas near the equator warmer than areas near the poles?

• Because it is closer to the Sun

• Because the Sun’s rays hits the equator at an angle

• Because the Sun’s rays hit the equator vertically

• Because there are more insects near the equator

Which of the following are ways we need our atmosphere as a natural resource?

• Blocks UV radiation

• Moderates the climate

• Redistributes water in the water cycle

• All of the above

This gas makes up around 21% of the atmosphere.

• Nitrogen

• Oxygen

• Argon

• Water vapor

In order to try to repair the Ozone layer, the (a)   was introduced in 1987.

• Garbage act

• Clean air act

• Montreal protocol

• Ozone recovery plan

The (a)   was the first federal legislation regarding air pollution control.

• Garbage act

• Clean air act

• Montreal protocol

• Ozone recovery plan

Which of the following is true about carbon dioxide?

• Carbon dioxide cools our planet.

• Carbon dioxide is a greenhouse gas.

• Plants produce carbon dioxide during photosynthesis.

• The burning of fossil fuels is decreasing the amount of carbon dioxide in our atmosphere.