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Inv. 1.2 & 1.3 Vocab
Term | Definition |
---|---|
air | the mixture of gases surrounding the Earth |
compress | to push particles closer together |
expand | to get bigger |
mass | the amount of matter in an object or sample |
matter | anything that has mass and takes up space |
particle | an atom or a molecule; what everything is made of |
pressure | a continuous force applied to the surface of an object |
state | a kind or form of matter |
weight | the measurable pull or force between Earth and the matter in an object |
atmosphere | the layer of gases surrounding the Earth |
permanent gas | a gas in the atmosphere for which the amount stays constant |
variable gas | an atmospheric gas whose amount changes based on the environment |