Air and Earth's Atmosphere

Which layer is the most dense?

• Exosphere

• Stratosphere

• Troposphere

• Thermosphere

• Metrosphere

Which layer is the least dense?

• Stratosphere

• Thermosphere

• Troposphere

• Mesosphere

• Exsosphere

78% of the earth atmosphere is?

• Oxygen

• Nitrogen

• Other gases

21% of Earth's atmosphere is?

• Oxygen

• Nitrogen

• Other gases

Name the layers of Earth in order by more dense to least dense.

• Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere.

• Exosphere, Thermosphere, Mesosphere, Stratosphere, Troposphere.

• Exosphere, Mesosphere, Stratosphere, Thermosphere, Troposphere.

• Thermosphere, Stratosphere, Mesosphere, Troposphere, Exosphere.

What happens to the density when air is heated.

• It increases

• Stays the same

• It decreases

Tags

NGSS.MS-PS1-4

What happens to its density when its cooled?

• It decreases

• It increases

• Stays the same

Tags

NGSS.MS-PS1-4

As an air mass is heated or cooled what happens to its mass?

• Stays the same

• It decreases

• It increases

Tags

NGSS.MS-ESS2-5

As air is removed from a vacuum chamber, the density of the air will...

• Stay the same

• Decrease

• Increase

As air is removed from the vacuum chamber...

• Increase

• Stay the same

• Decrease