NGSS.MS-PS1-4

An instant ice pack getting cold when the chemicals are able to touch.

• Chemical Change
• Physical Change

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NGSS.MS-PS1-4

Temperature is

• the transfer of energy from a warm object to a colder object
• scale used by most scientists
• a measure of how hot of cold something is compared to a refernece point.
• the type of heat transfer that occurs only in fluids.

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NGSS.MS-PS1-4

What is the kinetic energy of a substance's atoms?

• Thermal energy
• Heat
• Temperature
• Absolute zero

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NGSS.MS-PS1-4

 As the temperature of ocean water changes from 10 to 30 degrees C, how does the density change?

• The water becomes more dense
• The water becomes less dense
•  The density does not change 
•  It is impossible to predict

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NGSS.MS-PS1-4

When a puddle evaporates...

• water turns from a gas to a liquid and disappears

• water turns from a liquid to a gas and disappears

• water turns from a liquid to a gas and enters the air

• water turns from a gas to a liquid and enters the air

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NGSS.MS-PS1-4

The outer core is liquid because of

• high density

• high pressure

• high temperature

• high five

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NGSS.MS-PS1-4

As a comet approaches the sun, the gas and dust heat up and ____________________________.

• form a fuzzy coma.

• stream outward forming tails.

• disappear.

• shrink.

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NGSS.MS-PS1-4

2. A change of state from a liquid to a solid is called....

• Melting
• Freezing
• Evaporation

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NGSS.MS-PS1-4

Herbie notices that a spill on the kitchen floor was gone the next morning. The best description of what happened to the spill is

• It evaporated

• It sublimated.

• It boiled.

• It froze.

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NGSS.MS-PS1-4

The temperature at which a substance changes from the liquid phase to the gas phase...

• freezing point

• melting point

• boiling point

• high temperature

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NGSS.MS-PS1-4