Matter: Property and Changes Vocab

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Reactivity

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Occurs when a substance reacts with another substance, changing it into a new substance.

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Endothermic Reaction

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More energy is required to break the bonds of the reactants than is released when products form.

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Physical Property

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A characteristic of matter that can be observed or measured without changing the identity of the matter.

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Flammability

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The ability of a type of matter to burn easily.

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Mass

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The amount of matter in an object.

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Chemical Property

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A characteristic of a substance that describes its ability to change into different substances.

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Melting Point

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The temperature at which a solid becomes a liquid.

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Boiling Point

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The temperature at which a liquid becomes a gas.

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Density

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The mass of a substance divided by its volume.

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Solubility

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The ability of a substance to dissolve in another substance.