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Test Description: Physical Properties of Matter TEKS 5.5A

Instructions: Answer all questions to get your test result.

1) Which of these substances is less dense than water?

AOil BSalt CFood Coloring DSand

2) Which of the following objects would stick to a magnet?

AA copper penny BAn Iron Clip CA quarter Daluminum foil

3) The Sun is made of-

ANone of these BGases CSolids DLiquids

4) When a solid changes to a liquid, we say it is-

Amelting Bevaporating Ccondensing Draining

5) Which is the least dense object?

AA Paper Clip BA Ping Pong Ball CA Marble DA Brick

6) Which one of the following would be a good thermal (heat) insulator?

AIron Pan BStyrofoam Cup CMetal Stove Top DMetal Skillet

7) Which of these is a good conductor of heat?

AIron skillet Bpaper cup Cfoam handle Dpaper plate

8) Why do electricians wear rubber boots?

ARubber is both and insulator and a conductor. BRubber is a good insulator and protects them from being shocked. CRubber is a good conductor and will help them conduct electricity. DThey are fashionable.

9) Why would you NOT put your coffee in a metal cup?

AMetal would melt. BMetal is a conductor and it would steal the heat away. CMetal would break. DMetal is an insulator and it would keep the heat in.

10) Insulators keep us safe by-

Aconducting heat Bprotecting us from high temperatures. Cconducting electricity Dnone of these

11) Conductors are all around this room. Without conductors, you would not have-

AAll of these Bcomputers Cmobile phones Dprojectors

12) Why is it dangerous to stay in the water (lake, swimming pool) during a lightening storm?

ANone of the Above. BWater is an insulator and will stop the electricity. CWater is a conductor and will let electricity easily pass through. DYou could get too cold.

*select an answer for all questions

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