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WorksheetsTHE AIR UP THERE!!!!!
Total questions: 13
Worksheet time: 14mins
___________is the result of the weight of a column of air pushing on an area.
Air pressure
Density
Volume
Mass
In what direction(s) does air exert pressure?
all directions
only upwards
air does not exert pressur
only downwards
Altitude and elevation have the same meaning. What is it?
how much something weighs
the distance above sea level
how big something is
how far away something is
As you climb up a mountain what happens to the air pressure?
the higher you go, the air pressure decreases
the higher you go the air pressure increases
no matter how high you go the air pressure stays the same
What causes winds?
differences in precipitation
differences in humidity
differences in air pressure
ghosts
78% of earth's atmosphere is composed of ______________.
carbon dioxide
oxygen
water vapor
nitrogen
Air pressure is greatest when near Earth's surface because?
The air molecules are far apart.
The air molecules are packed closer together.
Air molecules are warmer
Air molecules are loosely packed but sliding against each other
The atmosphere is a blanket of __________________ that surrounds the Earth.
gases
water
soil
energy
What are the two most common gases in the atmosphere?
Nitrogen and oxygen
Oxygen and carbon dioxide
Carbon Dioxide and methane
Nitrogen and carbon dioxide
How does the atmosphere help us?
supplies gases to support life
protects us from harmful radiation
keeps Earth warm enough for water to be in a liquid state
protects the Earth from meteoroid impacts
All of the Above
At sea level the air is ___________________ than air at the top of a tall mountain.
denser and under higher pressure
denser and under lower pressure
less dense and under higher pressure
less dense and under lower pressure
The main way that humans pollute the atmosphere is by
burning fossil fuels
littering
breathing
playing loud music
