Density and Air Pressure
2 years ago
sheila cole
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• Question 1
120 seconds
Q. ___________is the result of the weight of a column of air pushing on an area.
air pressure
density
volume
none of the above
• Question 2
120 seconds
Q. What does the air consist of?
molecules
helium
density
weather
• Question 3
120 seconds
Q. In what direction(s) does air exert pressure?
everywhere
no where
there is no pressure
downward
• Question 4
120 seconds
Q. A _____________ is the scientific  instrument used to measure air pressure.
barometer
thermometer
mercury
watch
• Question 5
120 seconds
Q. What is altitude?
how much something weighs
the distance above sea level
how big something is
how far away something is
• Question 6
120 seconds
Q. As you climb up a mountain what happens to the air pressure?
decreases
increases
stays the same
• Question 7
120 seconds
Q. What happens to the amount of oxygen molecules as altitude increases?
fewer molecules
more molecules
same amount of molecules
nothing happens to the molecules
• Question 8
30 seconds
Q. Air pressure is greatest when near Earth's surface because?
The air molecules are farther apart.
The air molecules are closer together.
Air molecules collide.
Air molecules are tightly packed.
• Question 9
30 seconds
Q. Cold air exerts _____________ pressure than warm air.
the same
more
less
• Question 10
30 seconds
Q. Density of air is greater at high altitudes.
true
false
• Question 11
30 seconds
Q. Altitude is greater __________.
at the bottom of the mountain
at the top of the mountain
at the center of the mountain
• Question 12
30 seconds
Q. Air pressure is greater _______.
at the top of the mountain
at the bottom of the mountain
at the center of the mountain
• Question 13
30 seconds
Q. Density of air is greater ________.
at the top of the mountain
at the bottom of the mountain
at the center of the mountain
• Question 14
30 seconds
Q. Air pressure does not crush objects on earth
because more air pushes down than up
because gravity keeps air pressure away
because air pressure pushes in all directions
because the Earth has an opposing force of gravity
• Question 15
30 seconds
Q. The amount of mass in a unit volume of a substance
mass
pressure
volume
density
• Question 16
30 seconds
Q. Why is it hard to breath at high altitudes?
There is too much oxygen in this location.
There is a higher density of air molecules.
There is a low density of air molecules.
The air pressure is greater than at low altitudes.
• Question 17
30 seconds
Q. If density of air is high, pressure is:
high
low
• Question 18
30 seconds
Q. If density of air is low, pressure is:
high
low
• Question 19
30 seconds
Q. More molecules close together, means density is: