NGSS.MS-PS1-4

People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?

• mechanical to thermal to electrical
• chemical to mechanical to thermal
• mechanical to chemical to sound
• chemical to sound to electrical

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NGSS.MS-PS1-4

What causes phase changes?

• adding or taking away particles
• adding or taking away matter
• adding or taking away heat energy
• adding or taking away physical properties

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NGSS.MS-PS1-4

Heat transfers from an area of ____temperature to an area of ___ temperature.

• high to low
• low to high
• high to high

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NGSS.MS-PS1-4

The separation technique that involves heating a solution until the liquid changes into a gaseous state, leaving behind a solid is known as

• decanting
•  evaporation
• loading
• chromatography

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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

What can causes ice to transform from a solid to a liquid?

• The air.
• The cold.
• Shape
• Heat

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NGSS.MS-PS1-4

If energy is taken out of the substance, and the substance changed into a liquid,

• the substance started as a solid
• the substance started as a liquid
• the substance stayed the same
• the substance started as a gas

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NGSS.MS-PS1-4

Which of the following is a physical change?

• Ice melting

• Baking potatoes

• Rusty nail

• Rotting wood

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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

Heat transfer is really neat. It always moves from..

• hot to cold

• cold to hot

• big to little

• stop singing

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NGSS.MS-PS1-4