weather

___________is the result of the weight of a column of air pushing on an area.

• air pressure
• density
• volume
• none of the above

What is the instrument called that measures air pressure?

• thermometer
• ruler
• yard stick
• barometer

The air pressure is _____ when closest to the earth's surface.

• low
• stinky
• high
• thin

Tags

NGSS.MS-ESS2-5

What does a barometer measure?

• air pressure
• water level
• wind direction
• wind speed

Tags

NGSS.MS-ESS2-5

Cold air exerts _____________ pressure than warm air

• the same
• more
• less

Tags

NGSS.MS-ESS2-6

The __, or elevation of a mountaintop is its distance above sea level.

• greenhouse effect
• altitude
• convection
• weather

When you increase your altitude, the air pressure 

• increases
• decreases
• stays the same

Density of air is greater at high altitudes.

• true
• false

What is the leading edge of an air mass called?

• back
• end
• front
• leader

Tags

NGSS.MS-ESS2-5

When a warm front meets a cold air mass it

• slides under
• slides over
• goes through
• disappears

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6