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Basic review
Question | Answer |
---|---|
if you take away a piece of a material does the density decrease | no |
Is air pressure greater at lower altitudes, why | yes beacuase air desity is greater there |
what are most changes | cyclic like a water cycle |
seasons tides and moonphases are predictable yes or no | yes |
as temperature increases what happens to density | It decreases |
what is the exception to the temperature increase and denstiy decrease | water, because it expands when it is frozen |
what temperature is water most dense at | 4 degrees celceius |
does everything in nature move from high to low | yes |