Physical Properties of Matter Review

Which is NOT a state of matter?

• solid

• water

• gas

• liquid

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Max brought in a bowl full of snow after the last snowstorm. He left it on the kitchen table for 30 minutes. What probably happened to the snow?

• It hardened into a solid ice ball.

• It melted and turned into water.

• It increased in mass and volume.

• It turned into water vapor.

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Which is an example of a solution?

• cereal and milk

• fruit salad

• pink lemonade

• sand and gravel

How could you separate a solution of salt and water?

• Use a sieve or strainer.

• Evaporate the water by boiling; the salt will remain.

• Pour through a fliter.

• Cool the solution until it freezes.

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Which item could be attracted to a magnet?

• plastic clip

• rubber eraser

• wooden stick

• iron nail

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How do scientists measure relative density of a material?

• by putting it in water and seeing if it sinks or floats

• by checking to see if it is attracted to a magnet

• by weighing it on a balance

• by feeling its texture

Which material would be the best insulator?

• aluminum foil

• iron

• cloth

• copper

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Why are copper wires often used for electrical wiring?

• Copper is a pretty color

• Copper is a great insulator.

• Copper is very inexpensive.

• Copper is a great conductor.

If heat is added to liquid water until it reaches 100 degrees Celsius, what happens?

• It turns to water vapor.

• It turns into a liquid.

• It turns into a solid.

• It melts.

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Stella took a can of soda from the refrigerator and went outside on a hot day. She noticed that there were droplets of water forming on the outside of the can. What process is taking place?

• precipitation

• condensation

• evaporation

• melting

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