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Week One - September 21, 2016

Crossword Puzzle ANSWER KEY by:
CAMERON MOORE - 5th Grade - Mrs. Massey
Science Contract
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Across
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The central part of an atom
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A substance with a bitter taste that will react with an acid to form a salt and will turn red litmus paper blue
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A part of the of the nucleus of an atom. These also carry a positive electrical charge
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The transfer of energy by electromagnetic waves
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A physical combination of two or more subtances
Down
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`A material that heat does not move through easily
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A homogenous mixture in which subtances are blended evenly.or,the answer to a problem,an explanation
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Something that has weight and takes up space;matter
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A part of the nucleus of an atom.Neutrons carry no electrical charge
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A part of the nucleus of an atom.Electrons carry a negative electrical charge
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The ability to make things move or change
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The measure of how acidic a substance is