Atmosphere - Composition and Layers

is a mixture of gases that surrounds a planet, such as Earth.

• Ozone Layer

• Atmosphere

• Biosphere

• Stratosphere

Tags

NGSS.MS-ESS2-6

also add gases to the atmosphere, while vehicles both add and remove gases.

• The Sun

• Humans

• The Biosphere

• Volcanic Eruptions

Tags

NGSS.MS-ESS3-4

The most abundant element in the atmosphere (78%) is

• Oxygen

• Carbon Dioxide

• Nitrogen

• Methane

The second most abundant element in the atmosphere is

• Oxygen

• Carbon Dioxide

• Nitrogen

• Methane

is the lowest layer of the atmosphere in which temperature drops at a constant rate as altitude increases.

• troposphere

• stratosphere

• mesosphere

• thermosphere

is the layer of the atmosphere that lies immediately above the troposphere and extends from about 10 to 50 km above the Earth’s surface. Contains the Ozone Layer.

• troposphere

• stratosphere

• mesosphere

• thermosphere

This is the coldest layer of the atmosphere where temperatures have been measured as low as –93ºC.

• troposphere

• stratosphere

• mesosphere

• thermosphere

The atmospheric layer located farthest from Earth’s surface is

• troposphere

• stratosphere

• mesosphere

• thermosphere

the lower thermosphere is called

• troposphere

• exosphere

• ionosphere

• thermosphere

The layer that all weather happens in

• troposphere

• exosphere

• ionosphere

• thermosphere

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6