NGSS.MS-PS1-4

A group of friends gather around a fire to stay warm.

• conduction
• convection
• radiation

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NGSS.MS-PS1-4

At higher temperatures

• particles in an object have less energy
• particles in an object move faster
• a gas contracts

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NGSS.MS-PS1-4

Any change in the state of matter of a substance is a...

• Physical Change
• Chemical Change

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NGSS.MS-PS1-4

In a power station, what causes the turbine to turn?

• Heat

• Gas

• Air

• Steam

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NGSS.MS-PS1-4

S8P2d A metal spoon is placed in a pot of boiling water. Why does the spoon become hot over time?

• Currents of hot matter travel up the spoon from the water

• Light shining on the spoon causes it to become as hot as the water

• Particles in the water collide with particles in the spoon, which then strike other particles in the spoon, transferring energy

• Microwaves emitted by the hot water are absorbed by the spoon and transformed into thermal energy

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NGSS.MS-PS1-4

To change from a solid to a liquid to a gas, what must you do?

• Add energy.

• Take away energy.

• You cannot make this change.

• Make more matter.

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NGSS.MS-PS1-4

Which state of matter has molecules that slide past each other but stay close together? They do not form a regular pattern.

• solid
• liquid
• gas

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NGSS.MS-PS1-4

Boiling Water

• Conduction

• Convection

• Radiation

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NGSS.MS-PS1-4

Atoms vibrate and packed tightly together in which state of matter?

• solid

• liquid

• gas

• none of these

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NGSS.MS-PS1-4

How does thermal energy move?

• cold to warmer objects

• warmer to cooler objects

• solids to liquids

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NGSS.MS-PS1-4