Air Pressure 1&2: Question Preview (ID: 5833)

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Which is true about Earth\'s Atmosphere
a) It contains 78% Nitrogen
b) It contains more than 5% trace gases
c) Only Nitrogen and Oxygen are present
d) It contains 18% Oxygen

The envelope of gases that surround Earth is
a) Atmosphere
b) water vapor
c) Weather
d) Oxygen

Earth\'s Atmosphere contains non gases like
a) All answers are correct
b) Chemical particles
c) Dust particles
d) Water vapor

As altitude increases air pressure
a) decreases
b) increases then decreases
c) stays the same
d) increases

What instrument is used to measure air pressure
a) barometer
b) hygrometer
c) hydrometer
d) thermometer

The result of the weight of a column of air pushing on an area is defined as
a) air pressure
b) density
c) atmosphere
d) weather

Mercury barometer and ________ barometer are two common types of barometers
a) aneroid
b) altitude
c) aesthetic
d) american

As altitude decreases density
a) increases
b) cannot be measured
c) stays the same
d) decreases

Which statement is true about air pressure
a) it pushes in all directions
b) never changes
c) cannot be measured
d) does not affect life on earth

A(n) _______ barometer uses a metal chamber to measure air pressure
a) aneroid
b) metallic
c) aesthetic
d) mercury

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