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Chemical Reactions
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This is a reaction that gives off heat.
Exothermic
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Chemical or physical change?
Physical
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Matter cannot be created or destroyed, and it never changes. True or false?
False
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In this type of change, it cannot be reversed (is permanent)
Chemical change
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A type of change that does NOT make something new.
Physical change
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A type of change that results in a new substance.
Chemical change
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This is a reaction that absorbs heat
Endothermic
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What is the law of conservation of mass?
Matter cannot be created or destroyed.
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Chemical or physical change?
Chemical
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What are the indicators that a chemical reaction happened? (at least 2)
Gas produced (bubbles), color change, heat or light produced
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In this type of change, it can be reversed back to what you started with.
Physical change
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