Physical and Chemical Properties and Changes

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What is a physical property?

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A physical property is a characteristic of a substance that can be observed or measured without changing the substance's identity. Examples include color, odor, mass, and volume.

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What is a chemical property?

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A chemical property is a characteristic of a substance that can only be observed when it undergoes a chemical change. Examples include flammability, reactivity with acids, and the ability to rust.

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What is a physical change?

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A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition. Examples include melting, freezing, and dissolving.

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What is a chemical change?

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A chemical change is a change that results in the formation of new chemical substances. Examples include burning, rusting, and digestion.

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Can a physical change result in a color change?

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Yes, a physical change can result in a color change, such as when a red candy dissolves in water and turns it pink.

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What happens during a chemical change?

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During a chemical change, the bonds between atoms are broken and new bonds are formed, resulting in the creation of new substances.

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What is an example of a physical property?

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An example of a physical property is the boiling point of water, which is 100 degrees Celsius at sea level.

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What is an example of a chemical property?

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An example of a chemical property is the ability of iron to rust when exposed to moisture and oxygen.

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What is the difference between physical and chemical changes?

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Physical changes do not alter the chemical composition of a substance, while chemical changes result in the formation of new substances.

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What is an example of a physical change?

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An example of a physical change is ice melting into water.