Layers of the Atmosphere

Which layer protects Earth from being hit by most meteors?

• troposphere

• stratosphere

• mesosphere

• thermosphere

In which layer does the energy from the sun strike gas molecules, causing them to glow (Aurora Borealis)?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

Layer of the atmosphere that is the coldest:

• troposphere

• stratosphere

• mesosphere

• thermosphere

Layer of the atmosphere that is the warmest:

• troposphere

• stratosphere

• mesosphere

• thermosphere

The ozone layer protects living things on Earth from

• visible light

• UV radiation

• carbon dioxide

The troposphere is:

• 1st layer of the atmosphere; closest to the Earth

• 2nd layer of the atmosphere

• 3rd layer of the atmosphere

• 4th layer of the atmosphere

The stratosphere is:

• 1st layer of the atmosphere; closest to the Earth

• 2nd layer of the atmosphere

• 3rd layer of the atmosphere

• 4th layer of the atmosphere

The mesosphere is:

• 1st layer of the atmosphere; closest to the Earth

• 2nd layer of the atmosphere

• 3rd layer of the atmosphere

• 4th layer of the atmosphere

The thermosphere is:

• 1st layer of the atmosphere; closest to the Earth

• 2nd layer of the atmosphere

• 3rd layer of the atmosphere

• 4th layer of the atmosphere

The exosphere is:

• 5th layer of the atmosphere

• 2nd layer of the atmosphere

• 3rd layer of the atmosphere

• 4th layer of the atmosphere