CHEMICAL REACTIONS

Front

In a chemical reaction, what happens to the resulting substance?

Back

The resulting substance is completely different from the original ones.

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

The atoms in a chemical reaction...

Back

join together in different ways.

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Is burning wood a chemical reaction?

Back

Yes, it is.

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Two clues that indicate that a chemical reaction has taken place are...

• light, heat and sound energies.
• a change of colour and a change of state of matter.
• a change of colour and a change of name.
• gas formation and a change of colour.

Back

gas formation and a change of colour.

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NGSS.MS-PS1-2

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Chemical reactions that produce heat are...

Back

exothermic.

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NGSS.MS-PS3-4

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When a chemical reaction absorbs heat we call it...

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endothermic.

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NGSS.HS-PS1-4

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Combustion...

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is a rapid chemical combination of a substance with oxygen.

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NGSS.MS-PS1-5

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Combustion produces energy in the form of...

Back

light and heat.

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NGSS.MS-PS3-5

Front

Smoke and ash are residuals in...

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combustion.

Tags

NGSS.MS-PS1-5

Front

What are the basic components of combustion?

Back

oxygen, heat, and fuel.