Layers of the Atmosphere

The function of the ozone layer is to _________________________. 

• allow UV rays to get to Earth
• block UV rays from getting to Earth
• keep oxygen in
• allow meteors to get to Earth

This is the layer that protects the Earth by burning meteors, also known as shooting stars.

• Troposphere
• Stratosphere
• Mesosphere
• Thermosphere

In which layer of the atmosphere does weather occur?

• Mesosphere
• Thermosphere
• Stratosphere
• Troposphere

As you go higher in the stratosphere, the temperature does what?

• decreases
• increases
• stays the same

What layer of the atmosphere that is the coldest?

• troposphere
• stratosphere
• mesosphere
• thermosphere

What decreases as you go up in the atmosphere?

• Altitude
• Atmosphere
• Meteors
• Air Pressure

What are the 2 most abundant gases in Earth's atmosphere?

• carbon dioxide and oxygen
• carbon dioxide and nitrogen
• nitrogen and oxygen
• nitrogen and hydrogen 

Airplanes fly in which layers of the atmosphere?

• Troposphere, Stratosphere, and Mesosphere
• Stratosphere and Mesosphere
• Troposphere and Stratosphere
• Troposphere Stratosphere, Mesosphere, and Thermosphere

From Earth to space, the main layers of the atmosphere are

• Mesosphere, Troposphere, Ionosphere, Thermosphere
• Troposphere, Stratosphere, Mesosphere, Thermosphere
• Troposphere, Mesosphere, Ionosphere, Thermosphere
• Stratosphere, Troposphere, Ionosphere, Thermosphere

Which layer of the atmosphere contains the ozone layer? 

• Mesosphere
• Stratosphere
• Ionosphere
• Exosphere