Air and Air Pressure

What is air pressure?

• Air molecules

• The measure of the force with which air molecules push on a surface

• How humid the air is

• When there is a lot of air molecules in the air

What happens to air pressure as you move up in the atmosphere?

• Air pressure increases

• Air pressure stays the same

• Air pressure decreases

Where is air pressure the greatest?

• At Earth's surface

• On a mountain

• In an airplane

• Outer space

What kind of air pressure does dense air have?

• Normal air pressure

• High air pressure

• Low air pressure

What kind of air pressure does less dense air have?

• Normal air pressure

• High air pressure

• Low air pressure

Tags

NGSS.MS-ESS2-6

What are the air molecules like with high air pressure?

• There are many air molecules

• There are very little air molecules

• There are no air molecules

Tags

NGSS.MS-ESS2-5

What are the air molecules like for less dense air?

• A lot of air molecules

• Very little air molcules

• No air molecules

Which is NOT a thing that can affect air pressure?

• Temperature

• Elevation or altitude

• Water content

• How much you breath

What kind of air pressure does moist air have?

• Normal air pressure

• Low air pressure

• High air pressure

Tags

NGSS.MS-ESS2-5

How do water molecules compare to air molecules?

• They have less mass

• They have more mass

• They have the same mass