| Question | Answer |
| 1.What is an element? a. a substance made up of more than one type of particle. b. a pure substance. c. a substance made up of only one type of particle. | c. a substance made up of only one type of particle.
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| | 2. All the elements found on Earth, can be found: a. as gases in air. b. in the Periodic table. c. in the Science lab. | b. in the Periodic table.
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| | 3. The elements of the Periodic table are divided in two main groups: a. elements and compounds. b. compounds and mixtures. c. solids and gases. d. metals and non-metals. | d. metals and non-metals.
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| | 4. Copper is a metal, and so it is: a. shiny, and can conduct heat and electricity. b. a green gas. c. not a conductor of heat. | a. shiny, and can conduct heat and electricity.
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| | 5. Three common compounds are: a. air, sea and soil. b. salt, pure water and carbon dioxide. c. gold, diamonds and oxygen. | b. salt, pure water and carbon dioxide.
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| | 6. The chemical formula for water is: a. Wa b. O2 c. H2O | c. H2O
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| | 7. For a fuel to burn it needs, heat and: a. Oxygen. b. Hydrogen. c. Hydrogen Oxide. | a. Oxygen.
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| | 8. Rust is the produced when oxygen and water react with: a. Metals. b. Non-Metals. c. Aluminium. d. Iron. | d. Iron. |
