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Showing posts from March, 2013

Energy Quiz

1. What is energy? 2. What sector of our society consumes the most energy? a. transport b. commerce c. residential d. industry 3. Can you name the two main forms of energy? 4. Can energy be created or destroyed? a. Yes b. No 5. Most energy conversions produce … a. motion b. sound c. heat d. light 6. Where does all our energy in the world come from? a. food b. sun c. fossil fuels d. inside the earth 7. What produces the sun ’ s energy? 8. What does “ photo “ mean in words like photosynthesis, photovoltaic and photograph? a. light b. picture c. energy d. colour 9. What happens when light hits a surface? a. reflected b. absorbed c. both reflected and absorbed 10. How do plants get their energy? 11. Where did the energy of your body ultimately come from? 12. Electricity consumption is measured in ... a. amperes b. volts c. kilowatt-hours d. watts 13. The kilowatt is equal to... a. 10 watts b. 100 watts c. 1000 watts d. one million watts 14. W...