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Worksheetsgas pressure
Total questions: 25
Worksheet time: 24mins
Pressure is the effect of
the weight of all the air above pressing in every direction
water vapor in the atmosphere
greenhouse gases
solar radiation
What pressure does a 4000N horse exert on the ground if each foot is 10cm2?
40 N/cm2
100 N/cm2
400 N/cm2
10 N/cm2
When you increase your depth under water, the water pressure on your body
increases
decreases
stays the same
As altitude increases density and pressure increase.
True
False
Why doesn't the air pressure crush you?
The human body is strong enough to hold the pressure.
Gravity pushes in the opposite direction
Other air molecules are pushing back in all directions
If a horse reared up on 2 legs what effect would it have on the pressure it is exerting on the ground?
it will exert half the pressure it did before
it will exert the same pressure it did before
it will exert twice the pressure it did before
it will exert four times the pressure it did before
What is the weather instrument that measures air pressure?
wind vane
anemometer
thermometer
barometer
Should bring poor weather
Low pressure
cold front
High pressure
Warm front
Air pressure is defined as the __________ of the air pressing down against a given area.
pressure
weight
wind
Why doesn't the air pressure crush you?
The human body is strong enough to hold the pressure.
Gravity pushes in the opposite direction
Other air molecules are pushing back in all directions
What is the pressure like in a vacuum?
There is very high pressure.
The pressure lowers a little bit.
There is no pressure at all.
In which state of matter can the atoms be compressed closer together or expand farther apart?
solid
liquid
gas
all of these
