Which layer is the outermost layer?

• troposphere
• thermosphere
• mesosphere

Where you will find the ozone layer.

• stratosphere
• thermosphere
• exosphere
• mesosphere

Where weather occurs.

• stratosphere
• thermosphere
• troposphere
• mesosphere

Where we live.

• stratosphere
• thermosphere
• troposphere
• mesosphere

The coldest layer.

• troposphere
• thermosphere
• mesosphere
• Stratosphere

The most common gas in the atmosphere.

• Nitrogen
• Oxygen
• Carbon Dioxide
• Trace gases

As you go higher in the troposphere, the temperature _______________.

• decreases
• increases
• stays the same
• gets very hot

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

Which layer of Earth is the source of lava that erupts from volcanoes?

• inner core
• outer core
• asthenosphere
• lithosphere

Identify layer  #20.

• mantle
• pizza crust
• inner core
• outer core