States of matter

Explain the difference between a solid and a liquid.

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Describe a fun experiment you could do to show the different states of matter.

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You have a bowl of chocolate ice cream. Explain what changes occur as the ice cream melts on a warm day.

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What happened to the solid in this photograph?

•       it evaporated

•               it melted

•           it dissolved

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Sam adds salt to water

He stirs the mixture. Describe what happens.

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T​ (a)   his picture represents which states of matter.

• Solid
• liquid
• gas

Why does water from a puddle disappear on a sunny day?

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What happens to a wet towel left in the sun?

• It turns into a solid.

• It dries and becomes a solid.

• It turns into a gas.

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What state of matter is the Sun?

• solid

• liquid

• gas

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NGSS.MS-PS1-4

What happens to ice cream on a hot day?

• It turns into a solid.

• It melts and becomes a liquid.

• It becomes a gas.

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