Matter - Unit Test Review
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Is air matter? Explain your answer.
Yes - Air is matter because it takes up space and has mass.
A stick of butter weighs 500 g. What will happen to the mass of the butter when it melts?
The mass will stay the same.
What does the law of conservation of matter say? Explain what it means.
Matter cannot be created or destroyed. It can only change from one form to another.
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