Earth's Atmosphere Composition

The atmosphere is made up of a mixture of...

• Gases

• Solids

• Liquids

The atmosphere is the same everywhere

• True

• False

As you go higher above the Earth's surface, the atmosphere becomes less dense.

• True

• False

Close to the surface of the Earth, the gas particles in the atmosphere are very close together. 

• True

• False

As you go up higher in the atmosphere the particles are...

• More close together

• more spread out

• more dense

The atmosphere can be divided into ______ layers.

• Three

• Four

• Five

• Six

The layer that contains the air we breathe.

• Troposphere
• Stratosphere
• Mesosphere
• Thermosphere

The layer that contains ozone.

• Stratosphere
• Mesosphere
• Troposphere
• Thermosphere

Layer where meteors burn.

• Mesosphere
• Stratosphere
• Troposphere
• Thermosphere

Layer where most satelites orbit.

• Thermosphere

• Mesosphere

• Exosphere

• Troposphere