Atmosphere

Earth's current atmosphere is

• 78% nitrogen, 21% oxygen

• 78% hydrogen, 21%nitrogen

• 78% nitrogen, 21% argon, 1% oxygen

• 78% oxygen, 21% nitrogen, 1% carbon dioxide

What protects the earth from harmful UV rays from the sun?

• clouds

• ionosphere

• nitrogen gases

• the ozone

As altitude increases

• temperature increases and air pressure decreases.

• temperature increases and air pressure increases.

• temperature decreases and air pressure increases.

• temperature decreases and air pressure decreases.

Tags

NGSS.MS-ESS2-6

Atmo =

• Earth

• Freezing

• Life

• Water

• Air

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What is a true fact about the mesosphere?

• it is the hottest layer
• meteors burn up here
• the ozone layer is found here
• Northern Lights happen here

In what layer would you find the ozone layer?

• troposphere

• stratosphere

• mesosphere

• thermosphere

• exosphere

In what layer of the atmosphere would you find clouds and weather?

• troposphere

• stratosphere

• mesosphere

• thermosphere

• exosphere

Tags

NGSS.MS-ESS2-5

The layers of the atmosphere in order from bottom to top are

• thermosphere, stratosphere, mesosphere, troposphere, exosphere

• troposphere, mesosphere, stratosphere, thermosphere, exosphere

• troposphere, stratosphere, mesosphere, thermosphere, exosphere

• mesosphere, thermosphere, troposphere, stratosphere, exosphere

In what layer of the atmosphere would you find clouds and weather?

• troposphere

• stratosphere

• mesosphere

• thermosphere

• exosphere

Tags

NGSS.MS-ESS2-5

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
• to allow meteors to get to Earth