78% of the Earth's atmosphere is ___________ and 21% of the Earth's atmosphere is _____________.

• Oxygen, Nitrogen

• Nitrogen, Oxygen

• Nitrogen, Carbon Dioxide

• Oxygen, Carbon Dioxide

Tags

CCSS.RI.5.3

CCSS.RI.5.5

CCSS.RI.6.5

CCSS.RI.8.3

CCSS.RI.8.5

In what layer of the atmosphere do all weather events occur?

• Stratosphere

• Exosphere

• Mesosphere

• Troposphere

Tags

NGSS.MS-ESS2-5

In the troposphere, the temperature _____ as altitude increases.

• Increases

• Decreases

• Stays the same

• Goes up and down

Tags

NGSS.MS-ESS2-6

As altitude increases, air pressure....

• Increases

• Decreases

• Stays the same

• Goes up and down

Why is the ozone layer vital to life on Earth?

• Planes fly in the ozone layer

• It is made up of oxygen (O₂)

• It shields the Earth from ultraviolet (UV) rays from the sun

• It causes clouds to be created

Tags

NGSS.MS-LS2-4

In which layer of the atmosphere do meteors burn up?

• Troposphere

• Mesosphere

• Thermosphere

• Exosphere

This layer is the hottest layer of the atmosphere?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

What layer of the atmosphere has the highest air pressure?

• Troposphere

• Stratosphere

• Exosphere

• Mesosphere

As altitude increases, density.....

• Increases

• Decreases

• Stays the same

• Goes up and down

Which layer is the Stratosphere?

• 1

• 2

• 3

• 4