Air pressure

What happens to air pressure as you move upward into the atmosphere?

• increases
• decreases
• stays the same

Air pressure is greater _______.

• at the top of the mountain
• at the bottom of the mountain
• at the center of the mountain

What happens to the amount of oxygen molecules as altitude increases?

• fewer molecules
• more molecules
• same amount of molecules
• nothing happens to the molecules

Air pressure at sea level is _____________ than air pressure at the top of a mountain.

• lower
• higher
• the same

Air pressure does not crush you because molecules in air push ____________________.

• inward only
• outward only
• in all directions

Which box below shows a more dense object?

• Left

• Right

Define Pressure

• The weight of a column of air pushing down on an area

• The Amount of Mass in a given volume

• The force pushing on an area

• The distance above sea level

Define Density

• The weight of a column of air pushing down on an area

• The Amount of Mass in a given volume

• The force pushing on an area

• The distance above sea level

Define Air Pressure

• The weight of a column of air pushing down on an area

• The Amount of Mass in a given volume

• The force pushing on an area

• The distance above sea level

Define Altitude

• The weight of a column of air pushing down on an area

• The Amount of Mass in a given volume

• The force pushing on an area

• The distance above sea level