NGSS.MS-PS1-4

Which statement is true?

• The quicker a molecule moves, the colder it is.
• The slower a molecule moves, the warmer it is.
• The quicker a molecule moves, the warmer it is
• The movement on molecule don�t affect its temperature

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NGSS.MS-PS1-4

Your teacher asks your group to discuss HOW molecule MOVEMENT and molecule ARRANGEMENT in a LIQUID is DIFFERENT than in a SOLID. Each of your group members shares their answer. Decide who has the BEST answer.

• Zachary says molecule MOVEMENT in a LIQUID is SLOWER and the molecule ARRANGEMENT is FARTHER APART than a SOLID.

• Miguel says molecule MOVEMENT in a LIQUID is SLOWER and the molecule ARRANGEMENT is CLOSER than a SOLID.

• Julian says molecule MOVEMENT in a LIQUID is FASTER and the molecule ARRANGEMENT is FARTHER APART than a SOLID.

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NGSS.MS-PS1-4

What energy transformation occurs when a crock pot is plugged into an outlet and then the control knob is turned "on"?

• thermal to electrical

• mechanical to thermal

• electrical to thermal

• electrical to sound

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NGSS.MS-PS1-4

What happens to particles as they cool down?

• They slow down
• Nothing
• They don't move
• They speed up

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NGSS.MS-PS1-4

Heat will always transfer from the ___________ object to the ________ object.

• The hottest object to the coolest object.

• The coolest object to the hottest object.

• The solid object to the liquid object.

• The liquid object to the solid object.

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NGSS.MS-PS1-4

Why does ice float?

• water expands when it freezes, making ice less dense than water

• water compacts when it freezes, making ice more dense than water

• hydrogen bonds in water push the ice to the surface

• ice is afraid of water, and avoids it

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NGSS.MS-PS1-4

When water sits in the freezer and freezes into ice, it is because the water has...

• gained mass

• gained energy

• lost mass

• lost energy

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NGSS.MS-PS1-4

Which letter represents when the substance is a solid?

• A

• B

• C

• D

• E

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NGSS.MS-PS1-4

When particles lose kinetic energy they.....

• move slower and contract.

• move faster and expand.

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NGSS.MS-PS1-4

The average kinetic energy of the atomes or molecules within a substance.

• thermal energy

• kinetic energy

• temperature

• gas

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NGSS.MS-PS1-4