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PHYSICAL AND CHEMICAL REACTIONS

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    Identificar cambios físicos o químicos
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  • When some metals react with oxygen and water, they go ....
    RUSTY
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  • What is this reaction called?
    FERMENTATION
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  • In a combustion some new substances are produced
    SMOKE AND ASH
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  • Energy change is a clue of chemical reaction
    TRUE
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  • In a chemical reaction the original substances are called reactants
    TRUE
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  • The result of a chemical reaction is a substance similar to the original substances
    FALSE
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  • The process in which chemicals change to make one or more new substances that have different properties from the original ones
    chemical reaction
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  • What substances undergo a chance in a chemical reaction?
    REACTANTS
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  • What is a substance made in a chemical reaction?
    PRODUCT
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  • How can you tell/notice if it is a chemical or physical change?
    There is a new substance that is created
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  • Is burning wood a physical or chemical change?
    CHEMICAL
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  • Is going from ice to water a physical or chemical change?
    PHYSICAL
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  • What is the Product?
    The new substance or final result
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  • Igniting fuel in a car engine is an example of a ____________ reaction
    COMBUSTION
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  • explain the oxidation with your words
    Some metals and some foods, react when they are exposed to air. Reacts and change to brown substance,rust
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  • Does the avocado change to rust?
    yes, the avocado change to rust
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