Physical and Chemical properties and changes.

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What is a Physical Change?

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A change that affects one or more physical properties of a substance without altering its chemical composition. Example: Melting ice into water.

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What is a Chemical Change?

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A change that results in the formation of new chemical substances. Example: Burning wood.

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What is a Physical Property?

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A characteristic of a substance that can be observed or measured without changing the substance's chemical identity. Example: Color, odor, taste.

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What is a Chemical Property?

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A characteristic of a substance that becomes evident during a chemical reaction; it describes the substance's potential to undergo chemical changes. Example: Flammability.

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What is Malleability?

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A physical property that describes a material's ability to be deformed under compressive stress; it is often characterized by the material's ability to form a thin sheet when hammered.

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What is Odor?

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A physical property that describes the smell of a substance, which can be detected by the sense of smell.

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What is Taste?

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A physical property that describes the flavor of a substance, which can be detected by the sense of taste.

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What happens during Melting?

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A physical change where a solid turns into a liquid when heat is applied.

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What happens during Burning?

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A chemical change where a substance reacts with oxygen to produce heat and light, resulting in new substances.

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What is an example of a Physical Change?

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Dissolving sugar in water.