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Science Word Scramble

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Biology Lab Midterm

Question	Answer
Substance	A number written below and to the right of a chemical symbol in a formula
Double Replacement	when ions in two compounds switch places
Activation Energy	is the minimum amount of energy required for substances to react
Chemical Reaction	process by which one or more substances undergo change to produce one or more new substances.
The Law of Conservation of Mass	states that mass cannot be created or destroyed in ordinary chemical or physical changes.
Decompostion	a single compound breaks down to form tow or more simpler substances.
Exothermic	energy is released.
Endothermic	energy is absorbed.
Synthesis	two or more substances combine to form a single compound.
Chemical Formula	descibes a substance using chemical symbols and numbers.
Coefficient	a number written to the left of a chemical symbol or formula.
Single Replacement	one element replaces another that is part of a compound. (Loner)
Chemical Equation	is a shorthand description of a chemical reaction.
Reactent	the starting material.
Product	the new substance formed.
Catlyist	speeds up a reation.
Inhibitor	slows down a reation.