Atmospheric Pressure Flashcards

1
Q

All gases that are found in earth feel its

A

Gravitational pull

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2
Q

The air closer to earth is denser than

A

Air farther

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3
Q

Planes are _ because air at higher altitudes are less dense

A

Pressurized

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4
Q

Air high is too _ to breathe

A

Thin

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5
Q

The denser atmosphere, the

A

Greater pressure it exerts

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6
Q

Standard atmospheric pressure is used (pressure at sea level) to keep

A

Measurements all same so they can be compared

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7
Q

_ is an instrument used to measure atmospheric pressure

A

Barometer

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8
Q

_ invented the barometer

A

Evangelista Torricelli

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9
Q

A unit in barometer is called

A

Torr

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10
Q

Standard atmospheric pressure is equal to the pressure that supports

A

A column of mercury

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11
Q

A column of mercury exactly _ high at 0c at sea level

A

760.00

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