Physical and Chemical Properties of Matter

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What is a chemical property?

Back

A characteristic of a substance that can only be observed during a chemical reaction, such as flammability, reactivity, or acidity.

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What is a physical property?

Back

A characteristic of a substance that can be observed or measured without changing the substance's identity, such as state of matter, color, or density.

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What happens to matter during a chemical change?

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The composition of the matter changes, resulting in the formation of new substances with different properties.

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What is an example of a chemical change?

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Burning wood, which transforms it into ash and gases.

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What is an example of a physical change?

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Melting ice into water, which changes the state of matter but not the substance itself.

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What is flammability?

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A chemical property that describes how easily a substance can ignite and burn.

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What is human digestion an example of?

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A chemical change, as it involves breaking down food into new substances.

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What is the state of matter?

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A physical property that describes the distinct forms that different phases of matter take on, such as solid, liquid, or gas.

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What occurs during baking a cake?

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A chemical change, as the ingredients undergo a chemical reaction to form a new product.

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What is reactivity?

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A chemical property that describes how readily a substance combines chemically with other substances.