Amplify Science Unit 2 Chapter 2

Can you change solid ice into liquid water by warming it up?

• Yes

• No

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Something that holds its shape, like rock or wood, is known to be a …

• Liquid

• Gas

• Solid

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When you burn wood, it turns into ashes and smoke. Can you change the ashes back into wood?

• Yes, its properties stayed the same

• No, its properties changed

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When one thing makes another thing happen

• Cause

• Effect

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the thing that happens as a result of the cause

• Cause

• Effect

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NGSS.MS-LS4-4

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8) What happens when you heat cornstarch and water? The mixture gets __________.

• runny and smooth

• thick and hard to spread

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If a substance DOES NOT change back to the way it was, it has become a different substance.

• True

• False

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NGSS.MS-PS1-2

When a substance is heated or cooled, its properties can change.

• True

• False

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NGSS.MS-PS1-4

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Scientists and Engineers are interested in cause and effect because…

• They don't want to know what happens.

• It helps explain what happens in the natural world.

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Jessica wanted to be a dancer. She knew that dancers must work every day. She took dance lessons every Tuesday. She practiced a few hours each day.

EFFECT: Jessica practiced every day.

What was the CAUSE?

• She took lessons every day.

• She wanted to be a dancer.

• She worked hard.