Physical and Chemical Changes

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What is a chemical change?

Back

A chemical change is a process that occurs when one or more substances are transformed into new substances with different properties.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

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Give an example of a chemical change.

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An example of a chemical change is copper metal turning green due to oxidation.

Tags

NGSS.MS-PS1-2

Front

What happens to matter during a chemical change?

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During a chemical change, matter is transformed into one or more new substances.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Is burning wood a chemical or physical change?

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Burning wood is a chemical change.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is matter?

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Matter is anything that has mass and takes up space.

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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 change the chemical composition of the substance.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

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 the formation of a precipitate.

Tags

NGSS.MS-PS1-2

Front

Can a chemical change be reversed?

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Most chemical changes are not easily reversible, unlike physical changes.

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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.

Tags

NGSS.MS-PS1-4