Chemical change final

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What is a chemical change?

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

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

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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 but does not change its chemical composition.

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What is an example of a chemical change?

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Rusting of iron is an example of a chemical change.

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is an example of a physical change?

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Dissolving salt in water is an example of a physical change.

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What are reactants in a chemical reaction?

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Reactants are the starting substances that undergo a chemical change.

Tags

NGSS.MS-PS1-5

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What are products in a chemical reaction?

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Products are the substances formed as a result of a chemical reaction.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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How can you identify a chemical change?

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A chemical change can be identified if a new substance is formed.

Tags

NGSS.MS-PS1-2

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What happens to the mass of substances during a chemical reaction?

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The mass of the reactants equals the mass of the products, according to the law of conservation of mass.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is an indicator of a chemical change?

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

Tags

NGSS.MS-PS1-2

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What is combustion?

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Combustion is a chemical change that occurs when a substance reacts with oxygen to produce heat and light.

Tags

NGSS.MS-PS1-5

NGSS.MS-PS3-5