NGSS.MS-PS1-4

Which form of matter fills the space like it has in the balloon?

• liquid
• string
• solid
• gas

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NGSS.MS-PS1-4

Freezing

• Solid to gas
• Liquid to solid
• Gas to solid
• Liquid to gas

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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

Temperature usually _____ in EXOthermic reactions.

• Stays the same

• Increases

• Decreases

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NGSS.MS-PS1-4

This occurs when particles in a gas lose enough thermal energy to form a liquid.

• evaporation

• precipitation

• condensation

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NGSS.MS-PS1-4

The colder the temperature, the _______ the particle's motion.

• Faster

• Slower

• Smaller

• Larger

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NGSS.MS-PS1-4

When we measure the THERMAL ENERGY of an object, we are measuring the _________ kinetic energy of all of the particles in that substance.

• AVERAGE

• TOTAL

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NGSS.MS-PS1-4

What happens when salty water is boiled?

• The salt becomes a new compound and water evaporates as it has a low boiling point

• The water evaporates and the salt remains in the beaker as it has a high melting point

• The water becomes a new compound and evaporates while salt remains in the beaker

• The water will disappear and the salt remains in the beaker as it is a solid

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NGSS.MS-PS1-4

When particles move faster they bump into each other and need more space. This is called ____.

• random motion

• diffusion

• thermal expansion

• thermal contraction

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NGSS.MS-PS1-4

A liquid thermometer works because liquid ________ when warmed.

• expands

• contracts

• solidifies

• condenses

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NGSS.MS-PS1-4