Composition of the Atmosphere Review

Composition of the Atmosphere Review

Earth's main gases & their functions

Multiple Select

What are the three main gases present in our atmosphere?

• Oxygen

• Carbon Dioxide

• Argon

• Nitrogen

Multiple Choice

There is about ______% Nitrogen in our atmosphere.

• 60%

• 70%

• 80%

• 90%

Multiple Choice

There is about _____% Oxygen in our atmosphere.

• 10%

• 20%

• 30%

• 40%

Multiple Choice

There is about _____% Carbon Dioxide in the atmosphere.

• 1%

• 10%

• 0.5%

• 5%

Multiple Choice

Nitrogen's main function is:

• used in soil to grow plants, trees, and flowers.

• needed for human and animal respiration

• traps heat onto Earth to make it livable

Multiple Choice

Carbon Dioxide's main function is:

• used in soil to grow plants, trees, and flowers.

• needed for human and animal respiration

• traps heat onto Earth to make it livable

Multiple Choice

Oxygen's main function is:

• used in soil to grow plants, trees, and flowers.

• needed for human and animal respiration

• traps heat onto Earth to make it livable

Multiple Choice

A second function of Nitrogen is...

• it combines with the oxygen in the air to make livable, breathable, air.

• it protects us from harmful UV sun rays.

• it is needed for plant life

Multiple Choice

A second function of Oxygen is...

• it combines with the oxygen in the air to make livable, breathable, air.

• it protects us from harmful UV sun rays.

• it is needed for plant life

Multiple Choice

A second function of Carbon Dioxide is...

• it combines with the oxygen in the air to make livable, breathable, air.

• it protects us from harmful UV sun rays.

• it is needed for plant life