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Fission, Fusion, Exothermic, Endothermic
Chemistry II Test
13
Chemistry
8th Grade
01/29/2013

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Term
If a reaction gives off heat, it is called___________.
Definition
exothermic
Term
If a reaction absorbs heat, it is called___________.
Definition
endothermic
Term
What does thermic mean?
Definition
heat
Term
What does the prefix endo- mean?
Definition
inside
Term
What does the prefix ex- mean
Definition
outside of
Term
If the chemical reaction has energy listed as a product, then the reaction is ___________________.
Definition
exothermic
Term
Fusion
Definition
splits
Term
Where does fusion happen?
Definition
on the sun
Term
Where does fission happen?
Definition
in nuclear power plants
Term
What happens during nuclear fission?
Definition
GREAT amounts of energy are formed from SMALL amounts of mass
Term
What happens during fission to release energy?
Definition
splitting the nucleus of an atom
Term
What happens during fusion to release energy?
Definition
joining of the nucleus of two atoms
Term
What is the nuclear reaction that produces the sun's energy in the form of heat and light?
Definition
fusion
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