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8 Cards in this Set
- Front
- Back
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What is the difference between a physical change and a chemical change?
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A physical change changes a substance without turning it into a new substance. In a chemical change, bonds break and new bonds form
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What are the 5 evidences of a chemical change?
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Change in odor, change in color, solid is formed, gas is formed, heat occurs
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Where are the reactants found in a chemical equation?
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Left
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Where are the products found in a chemical equation?
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Right
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What is a synthesis reaction?
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2 or more species combine to form a more complex product
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What is a decomposition reaction?
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A compound is broken into smaller chemical species
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What is a replacement reaction
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When 1 element replaces another ina compound
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What 3 things are needed to keep a fire burning?
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Fuel, oxygen, heat
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