Chemical and Physical Changes

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What is a chemical change?

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A chemical change is a process where substances combine or break apart to form new substances with different properties.

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What is a physical change?

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A physical change is a process that alters the form or appearance of a substance without changing its chemical composition.

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What are some indicators of a chemical change?

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Indicators of a chemical change include color change, temperature change, gas production, and formation of a precipitate.

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What is matter?

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Matter is anything that has mass and takes up space.

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What happens during the baking of a cake?

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Baking a cake involves a chemical change as ingredients react to form new substances.

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Is mixing fruit in a bowl a chemical or physical change?

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Mixing fruit in a bowl is a physical change because the individual fruits retain their chemical properties.

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What is an example of a chemical change?

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An example of a chemical change is rust forming on iron.

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What is an example of a physical change?

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An example of a physical change is melting ice.

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What is the difference between a chemical change and a physical change?

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A chemical change results in the formation of new substances, while a physical change does not alter the chemical composition of the substance.

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What is the production of gas an indication of?

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The production of gas is often an indication of a chemical change.