Earth's Atmosphere

Front

Which gas makes up 78% of our atmosphere?

Back

nitrogen

Front

Which layer of the atmosphere does all weather occur? Options: exosphere, troposphere, mesosphere, thermosphere

Back

troposphere

Front

Which layer of the atmosphere helps us by burning up incoming meteors? Options: exosphere, troposphere, mesosphere, thermosphere

Back

mesosphere

Front

Which layer of the atmosphere contains the ozone layer? Options: troposphere, thermosphere, methosphere, stratosphere

Back

stratosphere

Front

A compound made of three oxygen atoms is called

Back

ozone

Front

How did scientists determine where the layers of the atmosphere are divided? Options: a change in elements, a change in compounds, a change in temperature, a change in ozone

Back

a change in temperature

Front

Why do your ears pop when on an airplane?

Back

a change in air pressure

Front

Which layer of the atmosphere, as identified by the chart, is MOST likely the troposphere? Options: A, B, C, D

Back

A

Front

The layers of gases that surround the earth is known as

Back

the atmosphere

Front

Satellite's orbit which layer of our atmosphere? Options: thermosphere, stratosphere, troposphere, mesosphere

Back

thermosphere