Review of Atmosphere Notes

Our _________ is the layer of gases that surrounds our planet.

• ocean
• weather
• atmosphere
• ozone

Match the following gases to their percentages in the atmosphere.

• 21%

• oxygen

• 1%

• nitrogen

• 78%

• trace gases

Where would there be more pressure?

• on top of a roof of a tall building

• sitting in this classroom

• on top of a mountian

• sitting in the top row of a stadium

As altitude increases, air pressure....

• Increases

• Decreases

• Stays the same

• Goes up and down

What layer of the atmosphere has the highest air pressure?

• Troposphere

• Stratosphere

• Exosphere

• Mesosphere

The atmosphere makes conditions __________ for life on earth.

• suitable

• unsuitable

• miserable

• unhealthy

___________ differences separate the layers of the atmosphere

• weather

• gases

• air pressure

• temperature

Tags

NGSS.MS-ESS2-6

The atmosphere is divided into several atmospheric layers extending from the earth's surface outward

• true

• false

What is air pressure?

• The pull of gases in the exosphere

• When gases change in each layer

• The force exerted by gases

• The force that causes air balloons to rise

air pressure decreases as gravity decreases

• true

• false