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Is air density greater at the top or the bottom of a mountain?
Bottom
Explain why an object under water feels lighter when its in the air?
Objects underwater feel lighter than it is in the air because water density is greater then air density.
Why would heating the gas in air balloon make the balloon rise?
Heated gas has a lower density than environmental air.
How does the density of a medium affect the speed of a wave?
The greater the density, the faster the wave moves. Sound (a wave) travels faster in steel than in air. Steel has the higher density.
How does a hot-air balloon rise?
The upthrust on the balloon is greater than the weight of the balloon. Thus, it rises upwards. The upthrust on the balloon is greater than the weight of the balloon because the air inside it has a lower density than the surrounding air.
Is The air density in Atlanta lesser or greater than the air density in Colorado?
greater
How does the density of the air affect pressure?
Pressure affects the density of air by increase of pressure increases the density
Is the density of air is greater or less than 1?
greater
How does cold air effect the density of gas?
'Cold' air will have less volume so the density is greater.
Why does a ice cube fall in air?
B/c the density of the ice cube is greater than the density of the air.
Is the greater the density of the air the less pressure it exerts?
They stay the same :)
Compare the density of water and air?
Air's density is less than that of water. Water's density is almost 800 times greater than air.
Is air density greater at the top or the bottom of a mountain?
Bottom
Is the densty of the air greater at high altitude?
The density of air reduces as height is gained.
Why is the density of water greater than the density of air given the same volume for each material?
The density of water is 1 g/cm3.The density of air is 0,001225 g/cm3.
What caused density?
If there are more molecules in a given volume of air, the density is greater. If there are fewer molecule, the density decreases. Density=Mass/Volume
Can a blimp be filled with carbon dioxide?
No, because the density of carbon dioxide is greater than the density of air.
