Air Density

Density of air is greater ________.

• at the top of the mountain

• at the bottom of the mountain

• at the center of the mountain

Cold air is more_____ than warm air 

• Dense

• Stale

• Colorful 

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

As the air is warmed how does it density change?

• It increases (Sinks)

• It Remains the same 

• It decreases (Rises)

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Where would the air be the least dense on a climber's hike up a mountain? Hint: it will be more difficult to breathe.

• at the bottom of the mountain

• at the top of the mountain

• halfway through the hike

• three quarters of the way through the hike

Which of these two air samples is more dense?

• The cold air

• The hot air

• They both have the same density

• There's not enough data to be able to tell

What causes the relationship between atmospheric pressure and density?

• Earth's orbit

• Earth's rotation

• Earth's gravitational pull

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

____________ air rises because it is ____________dense.

• Cool, Less

• Warm, Less

• Cold, More

• Warm, More

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Air density - label

a

b

more dense

less dense

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What kind of air pressure does less dense air have?

• Normal air pressure

• High air pressure

• Low air pressure

Tags

NGSS.MS-ESS2-5

Air pressure is greatest when near Earth's surface because?

• The air molecules are farther apart.

• The air molecules are closer together.

• Air molecules collide.

• Air molecules are not tightly packed.