The Atmosphere

Front

Which gas makes up the greatest percentage of Earth's atmosphere?

Back

Nitrogen

Front

This circle graph shows the percentage of different gases in Earth's atmosphere. Which gas is represented by Gas #1?

Back

Nitrogen

Front

The pie chart shows the mixture of gases that compose the atmosphere. Which gas composes 21% of the atmosphere?

Back

Oxygen

Front

Layer of the atmosphere where the ozone layer is located: troposphere, stratosphere, mesosphere, thermosphere

Back

stratosphere

Front

Layer of the atmosphere that is the coldest: troposphere, stratosphere, mesosphere, thermosphere

Back

mesosphere

Front

Which layer of the atmosphere has the greatest amount of air pressure? Options: troposphere, stratosphere, mesosphere, exosphere

Back

troposphere

Front

As altitude increases in the Troposphere, what happens to the air temperature?

Back

temperature decreases

Front

This is the layer where meteors, or shooting stars, burn up. Options: Troposphere, Stratosphere, Mesosphere, Thermosphere

Back

Mesosphere

Front

Order the atmosphere layers from Earth to space: troposphere, stratosphere, mesosphere, thermosphere, exosphere

Back

troposphere, stratosphere, mesosphere, thermosphere, exosphere

Front

Which layer has the hottest molecules? Options: Thermosphere, Mesosphere, Exosphere, Stratosphere

Back

Thermosphere