NGSS.MS-PS1-4

As water in a freezer turns into ice,

• the water absorbs energy from the air in the freezer.
• the water absorbs the coldness from the air in the freezer.
• the freezer air absorbs heat from the water.
• the water neither absorbs nor releases energy.

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NGSS.MS-PS1-4

Is melting butter for popcorn a chemical or physical change?

• chemical
• physical

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NGSS.MS-PS1-4

When the temperature of matter increases the particles...

• speed up and move closer
• speed up and move farther apart
• slow down and move closer together
• slow down and move farther apart

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NGSS.MS-PS1-4

Decreasing ocean temperature causes the density of the water to ______.

• decrease

• increase

• stay the same

• fluctuate

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NGSS.MS-PS1-4

Which phase is represented in the model.

• Solids

• Liquids

• Gas

• Carousso

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NGSS.MS-PS1-4

In a swimming pool, the water near the surface is slightly warmer. The warm water rises because of

• Convection

• Conduction

• Radiation

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NGSS.MS-PS1-4

When thermal energy is added to a substance, the substance's particles move: 

• More rapidly at an increased distance from each other
• More rapidly with less distance between each other
• More slowly with a greater distance between each other
• More slowly with a reduced distance be

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NGSS.MS-PS1-4

The change from liquid to solid, or the reverse of melting, is called

• condensation

• boiling

• sublimation

• freezing

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NGSS.MS-PS1-4

Basic state of matter with an intermediate (medium) amount of energy.

• solid

• liquid

• gas

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NGSS.MS-PS1-4

________ describes the motion energy of particles.

• Heat
• Temperature
• Thermal energy
• Potential energy

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NGSS.MS-PS1-4