States of matter

How could you prove that dissolving table salt in water is a physical change, not a chemical change?

• The solution would taste salty so you would know the salt is still present

• Boiling the liquid would separate the water and salt.

• Freeze the solution to see if it turns blue.

• Poor the solution in a cup to see if bubbles form.

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NGSS.MS-PS1-2

Which of these examples are liquid?

• Milk

• Ice

• Sand

• Lemonade

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NGSS.5-PS1-3

If you leave a pot boiling for too long and realize the water in the pot is gone. What happened?

• All the water evaporated into a gas

• You mom threw the water out

• That would not happen

• False, the water stays a liquid and boiling

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A liquid has

• a definite shape

• No definite shape

• has different flavors

• gasoline

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NGSS.MS-PS1-4

Choose the object which you cannot see.

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NGSS.5-PS1-1

This heat is causing the water to _____.

• freeze

• boil

• melt

• condensate

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

How do the atoms behave in a liquid?

• Atoms move very fast.
• Atoms keep their shape.
• Atoms slide against each other to fill a bottle.

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NGSS.MS-PS1-2

Identify the object which has little space between its particles.

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NGSS.MS-PS1-4

How do the atoms behave in a solid?

• Atoms slide against each other to fill a bottle.
• Atoms are far apart and fly around the room.
• Atoms are close together and shake.

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NGSS.MS-PS1-1

The picture is an example of:

• Solid

• Liquid

• Gas

Tags

NGSS.MS-PS1-4