Ch. 5 L. 1 Earth's Atmosphere

Air has weight, takes up space, and exerts pressure. Air is made up of a mixture of gases. Which of these gases is NOT A BIG PART of the atmosphere?

• oxygen

• carbon dioxide

• nitrogen

This force attracts gases in the air towards the Earth.

• spring

• frictional

• gravity

• tension

Tags

NGSS.MS-PS2-4

What are the layers around the Earth called?

• hydropshere

• microsphere

• rhizosphere

• atmosphere

This layer around the Earth has water vapor and is where all life on Earth exists.

• exosphere

• thermosphere

• mesosphere

• stratosphere

• troposphere

The force of gravity on gases causes them to push against objects like planes, buildings, and you. This is called air pressure. What is another name for this?

• parental pressure

• peer pressure

• atmospheric pressure

• tectonic plate pressure

Tags

NGSS.MS-PS1-4

Air pressure can change because of four variables. Select any of the following that affects air pressure.

• amount of water vapor, or humidity

• sodium, the salt

• altitude, the height from the surface of the Earth

• temperature, heat or cold

• volume, the amount of space the gases take up

What are mercury and aneroid barometers used for?

• measure atmospheric pressure

• measure the altitude of your location

• temperature

• mass

• volume

What type of barometer is this?

• aneroid

• mercury

What type of barometer is this?

• aneroid

• mercury

Which type of air has MORE air pressure?

• dry air

• air with water vapor