Earth Science: Observation, Measurement, and Density
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15 Terms
Observation
Description
Inference
Conclusion based on evidence
volume
amount of space in object takes up
archemedes principle
an object will displace a volume of water equals to its own volume
weight
the measure of the pull of gravity on an object; changes with gravity
mass
measure of the amount of matter in an object; stays the same no matter what
density
the measure of the packing of molecules in a substance
What are the two ways to change density
Temperature and pressure
same stuff
same density
Heating up makes objects ____ dense
less
Cooling down makes objects ____ dense
more
more pressure
contract, more dense
less pressure
expand, less dense
What temperature is water most dense
4 degrees celsius
Plant Growth, Moon Phases
Cyclic Change
