Which material would be easier to scratch?

• Pyrite

• Gold

• Both materials would be easy to scratch

Matter is made of tiny particles called

• atoms.

• elements.

• compounds.

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When a solid moves to a different container it will 

• lose its shape, but keep its volume.

• keep its shape and volume.

• lose its shpae and volume.

Gases have a lot of:

• particles that are hard to compress.

• free space between the particles.

• particles with little space between them.

Compared to a solid, the particles in a liquid

• move slower and are closer together.

• move faster and are closer together.

• move faster and are further apart.

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As pressure goes up inside the container, what happens to the temperature inside the container?

• Temperature decreases

• Temperature increases

• Temperature is not affected

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Adding thermal energy to a liquid will result in the particles forming

• a gas.

• a solid.

• particles with no motion.

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As heat is taken away, what happens to the particles in a substance?

• They speed up.

• They begin to vaporize.

• They slow down.

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NGSS.MS-PS1-4

What is the universe made of?

• Electrons

• Matter

• Rocks

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The three phases of matter

• gas

• atoms

• liquid

• solid

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