States of Matter and Kinetic Energy

Which State of Matter has the most energy?

• solid

• liquid

• gas

• plasma

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NGSS.MS-PS3-1

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At higher temperatures

• particles in an object have less kinetic energy

• particles in an object move faster

• a gas contracts

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

When the temperature of matter decreases the particles ...

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

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NGSS.MS-PS1-4

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When air in a hot air balloon is heated the air inside the baloon...

• expands
• contracts
• evaporates
• condenses

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Railroad tracks have gaps between rails so they don't buckle in hot weather because

• thermal conductivity
• specific heat
• thermal expansion
• thermal insulation

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

• More rapidly at an increased diestance 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 between each other.

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NGSS.MS-PS1-4

Thermal energy always moves:

• From a high temperature object to a lower temperature object.
• From a lower temperature object to a higher temperature object.
• From an object with lower kinetic energy to an object with higher kinetic energy.
• From an object of higher mass to an object of lower mass.

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NGSS.MS-PS1-4

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If an object has particles that are moving very slowly, the object's temperature is probably ______.

• hot
• small
• cold
• big

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

If an object has particles that are moving very quickly, the object 's temperature is probably _____.

• cold
• slow
• big
• hot

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

The liquid in a thermometer ______________ as the temperature increases.

• expands
• disappears
• freezes
• explodes

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NGSS.MS-PS1-4

NGSS.MS-PS3-4