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Matter and Energy

TermDefinition
physical change a change in which no new materials form
chemical change a change in which one or more new types of matter form
thermal energy the energy of moving particles that make up all matter
insulator a material that heat does not pass through easily
conductor a material through which heat can move easily
substance a particular kind of matter or material
property a characteristic of a substance that can be used to describe it
conservation of mass you can't just make new matter or make matter disappear; the total amount of matter (mass) always stays the same, even if it changes form
vanish to disappear from sight
dissolve to mix completely with a liquid
mass the amount of matter in an object
expand to become larger or wider
contract to become smaller
Created by: brcheek
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