NGSS.MS-PS1-4

True or False: When liquid gets hot, it becomes less dense.

• true
• false

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NGSS.MS-PS1-4

High temperature is connected to:

• Low kinetic energy.
• High kinetic energy.
• Zero net energy.
• Equal kinetic energies.

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NGSS.MS-PS1-4

Condensation is when...

• A liquid turns to gas.
• A gas turns to liquid.
• A liquid turns to ice.
• All of the answers.

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NGSS.MS-PS1-4

The speed of the molecules determines the _____.

• volume
• density
• pressure
• temperature

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NGSS.MS-PS1-4

An ice cube is placed in a pan. The pan is placed over an open flame. Which change will MOST likely happen over time?

• The ice changes to a gas then a liquid
• The ice changes to a gas and then back to a solid
• The ice changes to a liquid then to a gas.
• The ice changes to a liquid and back to a solid. 

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NGSS.MS-PS1-4

When snowflakes melt in your hand, thermal energy (or heat) moves from _____________________ to ___________________

• your hand to the air

• your warm hand to the snowflake

• the snowflake to the air

• from the warm air to the snowflake

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NGSS.MS-PS1-4

Is freezing juice a physical or chemical change?

• Physical Change
• Chemical Change

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NGSS.MS-PS1-4

Boiling Water

• Conduction

• Convection

• Radiation

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NGSS.MS-PS1-4

Suppose that a container of liquid is heated so that thermal expansion occurs. Why might the liquid overflow after heating?

• the volume of liquid contracts

• the volume of liquid expands

• the liquid remains the same volume

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NGSS.MS-PS1-4

Heat is transferred from one particle of matter to another without the movement of matter itself in a process called

• conduction

• convection

• radiation

• insulation

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NGSS.MS-PS1-4