Science Unit 1 Vocab Review

The slow change of a liquid into a gas is called

• freezing

• evaporation

• condensation

• melting

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NGSS.MS-PS1-4

When a gas cools down it changes into a liquid. This is called (a)   .

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True or False:  Physical properties of matter are things that can be observed without changing what the object is made of.

• True

• False

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NGSS.5-PS1-3

When particles of a solid are combined with a liquid and break down so they can no longer be seen, they have (a)   .

Which of the following are characteristics of a solid?  Select 2.

• Particles have a very large amount of energy.

• Has a definite shape that doesn't change because of the container

• Always feels very cold

• No definite shape; takes the shape of the container

• Particles have a very small amount of energy.

(a)    is anything that has mass and takes up space.

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NGSS.MS-PS1-5

A gas is unique because it is the only state of matter that...

• has very little energy in its particles.

• is a liquid at room temperature.

• changes shape depending on the container.

• changes volume depending on the container.

Volume is...

• the amount of matter in an object.

• the length and width of an object.

• the area that an object covers.

• the amount of space an object takes up.

The law of conservation of mass states that matter cannot be ______ or ______.

(a)  

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NGSS.MS-PS1-5

Select all states of matter.

• Liquid

• Energy

• Solid

• Water

• Gas

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NGSS.MS-PS1-4

NGSS.MS-PS3-4