Earth Science T2 Final

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 hottest layer.

• troposphere

• thermosphere

• exosphere

• mesosphere

What two gases are found throughout all layers of the atmosphere?

• Nitrogen and carbon dioxide

• Nitrogen and oxygen

• Oxygen and carbon dioxide

• Trace gases and water vapor

What does the earth's atmosphere do?

• help to regulate the temperature on Earth

• Help UV rays to reach the Earth's surface

• Creates meteors in the sky

• Keep ocean waters cold

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

This is the layer where most commercial jet airliners fly.

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

The higher you go, the air becomes _____ _____.

• More dense

• Less dense 

How animals get the nitrogen they need

• from the air they breathe

• from the water they drink

• from the food they eat

• from the Sun