Physics, 15.09.2021 07:00 wkalpakchi

1. Read the questions carefully and write the letter of the best answer on the blank before each nurniber, 1. Steel is a strong material used in buildings. Why? a. Steel is elastic. c. Steel is breakable. b. Steel is flexible d. Steel is hard. 2. Gold can be shaped into rings. What property does gold have? a brittleness b. elasticity c. hardness d. malleability 3. What example of solid material does not belong to the group? a. gold bracelet c. plastic spoon b. iron nail d. silver ring stretched and can go back 4. Rubber bands can be used to secure things tightly because they can be to their original shape. What property do rubber bands have? a. brittleness b. elasticity c. hardness d. strength 5. Why are metals very useful? a. They can be broken. c. They can be decomposed easily. b. They can be thrown easily. d. They can be bent without breaking. II. Match the term in Column A with its description in Column B. Write your answer on the blank. COLUMN ACOLUMN B 6. Flammability a. ability to let heat and electricity to pass 7. Biodegradability b. ability to catch fire easily 8. Brittleness c. ability to be drawn into thin wires 9. Conductivity d. ability to be decomposed by microorganisms 10. Ductility e. ability to break easily

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