Earth's Atmosphere

What two gases make up most of Earth's atmosphere?

• nitrogen and methane

• nitrogen and oxygen

• oxygen and carbon dioxide

Layers are classified according to changes in

• density.

• temperature.

• characteristics.

Which layer is the outermost layer?

• troposphere
• exosphere
• mesosphere

The hottest layer of the atmosphere is the ________________.

• troposphere
• thermosphere
• exosphere

Tags

NGSS.MS-ESS2-6

Which layer of the atmosphere has the coldest temperatures and where meteors burn up?

• stratosphere

• mesosphere

• troposphere

In which layer are the gases are layered and do not mix? Military jets fly here and ozone is in this layer.

• Troposphere

• Stratosphere

• Thermosphere

What is the function of the ozone layer?

• to allow UV rays to get to Earth
• to block UV rays from getting to Earth
• To keep oxygen in

In what layer of the atmosphere do we live-- and where weather occurs?

• Stratosphere

• Thermosphere

• Troposphere

Tags

NGSS.MS-ESS2-5

The graph shows us that

• the earth temperature is always increasing

• the earth's temperature has steadily increased since 1900

• the earth's temperature has steadily rising since the 1960s

Tags

NGSS.MS-ESS3-5

What does this diagram illustrate?

• Ozone Layer
• The Greenhouse Effect
• Layers of the atmosphere

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS3-5