Physical & Chemical Properties of Matter

Steel is used to make hammers because it is a .......... material

• Waterproof

• Shiny

• Malleable

• Hard

Copper always used for wire cable for students because it is a good ........

• Insulator

• Malleable

• Shiny

• Conductor

Chemical change is ....... because it CANNOT be restore the material to its original shape

A student performs heat conductivity and flammability tests to see how the materials react with heat and flame. The results are shown in the table.

Which materials are good heat conductors? Choose 2 answers.

• Material A

• Material C

• Material B

• Material D

A student performs heat conductivity and flammability tests to see how the materials react with heat and flame. The results are shown in the table.

Which materials are flammable? Choose 2 answers.

• Material B

• Material A

• Material D

• Material C

Which chemical property describes how some metals break down when exposed to water or oxygen over time which causes rusting?

Which of the following is NOT a physical change?

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Which of the following is NOT a chemical change?

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Two materials, Q & R, are being observed.

Material Q can be bent easily & melts when heated by fire.

Light can pass through Material R and it shatters when it is hammered.

Predict material Q and R!

• Q: Glass

  R: Plastic ruler

• Q: Glass

  R: Glass

• Q: Plastic ruler

  R: Glass

• Q: Plastic ruler

  R: Plastic ruler

Nylon fabric is preferred for making an umbrella because ..........

• Hard

• Shiny

• Waterproof

• Insulator