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Science Vocabulary

Elements/Compounds & Physical/Chemical
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Across
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It undergoes changes all the time.
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Is a chemical reaction in green plants that produces energy and oxygen.
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Is the process in which iron turns into iron oxide and is a result of a chemical change.
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The ability of a substance to be rolled or pounded into various shapes.
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The change that occurs when the substance doesn't change.
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The ability to be stretched into a wire.
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The law of conservation of ____ states that energy cannot be created or destroyed.
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Shine
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The result of a chemical reaction.
Down
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The number of atoms of an element in a molecule.
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A type of mixture in which substances are spread throughout.
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Attraction or repulsion between two objects.
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Chemical changes occur at _____ speeds.
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Is the chemical property describing how a substance burns.
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What energy is conserved when gasoline is burned in the engine of a car?
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Breaks easily
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A substance made up of two or more different types of atoms (elements).
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The law of conservation of ____ states that mass cannot be produced or destroyed.
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Cooking , burning of wood , and digesting food are examples of this type of change.
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This "table" organizes all of the known elements.