Earth's Atmosphere

Earth's current atmosphere is

• 78% nitrogen, 21% oxygen, 0.9% argon and 0.037% carbon dioxide
• 78% oxygen, 21%nitrogen, 0.9% argon, 0.037% carbon dioxide
• 78% nitrogen, 21% argon, 1% oxygen
• 78% oxygen, 21% nitrogen, 1% carbon dioxide

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

• troposphere, stratosphere, mesosphere, thermosphere, exosphere
• troposphere, mesosphere, atmosphere, thermosphere
• mesosphere, thermosphere, troposphere, stratosphere, exosphere
• thermosphere, stratosphere, mesosphere, troposphere, exosphere

Tags

NGSS.MS-ESS2-5

The layer of the atmosphere containing the ozone layer is

• troposphere
• stratosphere
• thermosphere
• mesosphere

The layer of the atmosphere containing our weather is

• thermosphere
• stratosphere
• troposphere
• mesosphere

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

The layer of the atmosphere containing the ionosphere and auroras is

• troposphere
• mesosphere
• stratosphere
• thermosphere

Heat from the sun travels to Earth by _____.

• conduction
• convection
• insulation
• radiation

How does the ozone layer benefit living things on the Earth.

• We need it to breathe.

• It keeps the Earth cool.

• It is a source of rain.

• It protects the Earth from ultraviolet rays.

Which layer of the Earth's atmosphere does most weather occur?

• mesosphere

• stratosphere

• thermosphere

• troposphere

Tags

NGSS.MS-ESS2-5

The source of energy that drives air movement in the atmosphere is the:

• Sun

• Oceans

• Moon

• Ionosphere

Tags

NGSS.MS-ESS2-6

The atmospheric layer that is the coldest is the

• mesosphere

• stratosphere

• thermosphere

• troposphere