anything that has mass and takes up space (stuff)
a single kind of matter that has a specific set of properties
(each different element is a pure substance)
study of the properties of matter and how matter changes
characteristics or traits of a substance that help to identify or classify it
characteristic that can be observed/measured without changing a material chemically
examples: mass, volume, density, state, texture, color, hardness, melting point, boiling point
characteristic that can only be observed/measured during a chemical reaction
examples: reactivity, flammability, new substance, heat/light released, color change, odor change, smoke
changes the form or appearance of matter but does not make any new substances
change in matter that produces one or more new substances
state of matter that has a definite shape and volume
state of matter that has a definite volume but no definite shape
state of matter that has no definite shape or volume
unique temperature that a substance starts to melt
unique temperature that a substance starts to boil
is a form of energy that moves from warmer objects to less warm objects
the change of state from a gas to a liquid
the change of state from a liquid to a gas
the change of state from a solid directly to a gas
the change of state from a solid to a liquid
the change of state from a liquid to a solid
when vaporization occurs only on the surface of a liquid
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