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Matter
vocabulary
22
Science
5th Grade
10/01/2015

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Term
matter
Definition
anything that has mass or takes up space
Term
weight
Definition
the measure of the pull of gravity on a substance or object
Term
mass
Definition
the measure of the amount of mass
Term
physical change
Definition
when two or more substances combine and then can be separated back; this does not make a new substance
Term
chemical change
Definition
when two or more substances combine and then can NOT be separated back; this makes a new substance
Term
Law of Conservation of Matter
Definition
Matter is neither created nor destroyed.
Term
changes color
Definition
clue of a chemical change
Term
produces a gas (bubbles)
Definition
clue of a chemical change
Term
produces heat
Definition
clue of a chemical change
Term
produces light
Definition
clue of a chemical change
Term
solid
Definition
state of matter in which the molecules/particles are packed tightly together and vibrate
Term
solid
Definition
state of matter that has a definite shape and a definite volume
Term
liquid
Definition
state of matter in which the molecules/particles are not packed tightly together, but can move and flow around
Term
liquid
Definition
state of matter that has a definite volume, but its shape can change
Term
gas
Definition
state of matter in which the molecules are very loosely arranged and are moving around a lot
Term
gas
Definition
state of matter that does not have a definite shape or definite volume; molecules move around the most and have the most energy
Term
volume
Definition
amount of space a substance occupies or takes up
Term
boiling
Definition
changing from a liquid to a gas
Term
freezing
Definition
changing from a liquid to a solid
Term
condensation
Definition
changing from a gas to a liquid
Term
evaporation
Definition
changing from a liquid to a gas
Term
melting
Definition
changing from a solid to a liquid
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