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Chemistry
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14
Science
6th Grade
01/25/2014

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Term
Matter
Definition
anything that takes up space and has mass.
Term
element
Definition
Something that cannot be broken down by physical or chemical means
Term
chemical change
Definition
is a change

in which a new substance is formed.
Term
Liquid + energy = gas
Definition
(evaporation)
Term
Gas - energy = liquid
Definition
(condensation)
Term
Gas
Definition
no definite shape. No definite volume. The particles

are spread far apart and moving rapidly.
Term
Liquid
Definition
has definite volume but no definite shape. The particles

change position and move past each other.
Term
Solid
Definition
has definite shape. The particles are close together
Term
Products
Definition
The result of a chemical reaction.
Term
Reactants
Definition
the chemicals at the beginning of a chemical reaction.
Term
Chemical Reaction
Definition
is a process in which a chemical change occurs.
Term
Compound
Definition
is made of two or more elements chemically combined.
Term
Production of Gas
Definition
Effervescence
Term
Evidence of Chemical Reaction
Definition
Color change, New odor produced, Gas formed "effervescence", Temperature change: "exothermic" - heat is given off, "endothermic" Heat is absorbed (gets cold), precipitate.
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