Earths Atmosphere

The most abundant gas in Earth’s atmosphere is

• Nitrogen

• Oxygen

• Argon

• Helium

The second most abundant gas in earths atmosphere is

• Hydrogen

• Oxygen

• Nitrous Oxide

• Carbon Monoxide

The third-most abundant gas is

• Carbon Monoxide

• Oxygen

• Argon

• Nitrogen

Tags

NGSS.MS-PS1-1

Carbon Dioxide is a trace gas.

• True

• False

Earth's atmosphere provides that animals need to breathe.

• Nitrogen

• Carbon Dioxide

• Carbon

• Oxygen

Earth's atmosphere filters out harmful radiation from the

• Air

• Ocean

• Moon

• Sun

Which statement correctly describe the properties of air? Select three.

• Air has mass but no weight.

• Air pressure is created by the weight of the atmosphere pushing on Earth’s surface.

• Pressure is a measure of how tightly molecules are packed.

• Denser air is heavier than less dense air.

• Air is less dense at higher altitudes.

On a warm summer day, a severe storm happens, and a tornado forms.

Which layer of the atmosphere is experiencing this storm?

• troposphere

• stratosphere

• mesosphere

• thermosphere

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS3-2

During an evening hike, you see a shooting star just like the one pictured here.

In which layer of the atmosphere does this shooting star occur?

• troposphere

• stratosphere

• mesosphere

• thermosphere

One evening, you see the northern lights, which are shown in the image.

In which layer of the atmosphere do the northern lights occur?

• troposphere

• stratosphere

• mesosphere

• thermosphere