Crash Course Kids Chemical Changes

The science of different kinds of matter and how that matter can change is called ____.

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NGSS.MS-PS1-2

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How are baking and chemistry alike?

• require careful timing and measuring

• smell good

• result in the formation of a mixture

• you can eat the results

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NGSS.MS-LS1-7

NGSS.MS-PS1-2

Anything made by combining two or more different things is called a ____.

When you combine two or more substances to make a new substance it is called a chemical change.

• true

• false

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of these are examples of chemical changes?

• fruit salad

• burning a match

• baking a cake

• cutting a log

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NGSS.MS-LS1-7

NGSS.MS-PS1-2

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Lots of chemical changes...

• make smells.

• release light.

• release gases.

• give off or take in heat.

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NGSS.MS-PS1-2

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Chemical changes can be undone.

• true

• false

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NGSS.MS-PS1-2

You can observe the evidence that a rotting egg is a chemical change because...

• there is a change in color.

• there is a release of smell.

• there is a release of light.

• the egg takes in heat.

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NGSS.MS-PS1-2