Layers of the Atmosphere

The coldest layer.

• troposphere
• thermosphere
• exosphere
• mesosphere

Where you will find the ozone layer.

• stratosphere
• thermosphere
• exosphere
• mesosphere

Where weather occurs.

• stratosphere
• thermosphere
• troposphere
• mesosphere

This is the layer where meteors, or shooting stars, burn up.

• Troposphere
• Stratosphere
• Mesosphere
• Thermosphere

Where we live.

• stratosphere
• thermosphere
• troposphere
• mesosphere

The two most common gases in the atmosphere.

• Nitrogen and Oxygen
• Oxygen and trace gases
• Carbon Dioxide and Nitrogen
• Nitrogen and trace gases

Satellites orbit this layer of the atmosphere.

• Stratosphere
• Exosphere
• Thermosphere
• Troposphere 

The Earth's atmosphere is up to 10,000 km high.
The troposphere extends from...

• the Earth's surface to up to 6-20 km high
• the Earth's surface to up to 690 km high
• the Earth's surface to up to 85 km high 
• the Earth's surface to 10,000 km high

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

The hottest layer.

• troposphere
• thermosphere
• exosphere
• mesosphere