Energy Mega Crossword

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Across
  1. 1. 1,000,000 Watts = 1 ________ (8) M------- p10
  2. 3. An object or group of objects can be called a ______ (6) S----- p02
  3. 5. Energy cannot be _______ __ _________ (7,2,9) C------ O- D-------- p04
  4. 9. Energy that is not transferred usefully is __________ to the surroundings (9) D--------- p15
  5. 11. The idea that there is the same amount of energy before and after it is transferred (12,2,6) C----------- O- E----- p04
  6. 13. When a layer of gas is trapped between 2 layers of glass (6,7) D----- G------ p17
  7. 16. = 0.5 × mass × speed2 (7,6) K------ E----- p05
  8. 17. 1,000 Watts is 1 ________ (8) K------- p10
  9. 20. Type of energy stored in a stretched spring (7,9,6) E------ P-------- E----- p05
  10. 21. An energy resource that is being (or can be) replenished as it is used (9) R-------- p21
  11. 22. Burning coal produces this acid rain causing gas (6,7) S----- D------ p22
  12. 23. Sulfur dioxide causes this problem for the environment (4,4) A--- R--- p22
  13. 25. How to reduce unwanted energy transfer due to friction of moving parts (11) L---------- p19
  14. 26. = Useful energy Output/Total energy input OR Useful power output/Total power input (10) E--------- p18
  15. 27. What is the unit for power? (4) W--- p10
Down
  1. 2. Generating energy from hot volcanic rocks (10) G--------- p25
  2. 4. The rate at which energy is transferred or the rate at which work is done (5) P---- p10
  3. 6. The higher the _______ ____________ of a material the higher the rate of energy transfer by conduction across the material (7,12) T------ C----------- p17
  4. 7. = mass × gravitational field strength × height (13,4) G------------ P-------- E----- p06
  5. 8. Another word for thermal energy (8) I------- p03
  6. 10. How to reduce unwanted energy transfer due heat loss (7,10) T------ I--------- p17
  7. 12. The amount of energy required to raise the temperature of one kilogram of the substance by one degree Celsius (8,4,8) S------- H--- C------- p12
  8. 14. Using a dam on a river to generate electricity (13) H------------ p24
  9. 15. Fuels that remove the same amount of carbon dioxide as they produce are… (6,7) C----- N------ p23
  10. 18. An energy resource that will run out and can't be replenished (12) N-- R-------- p21
  11. 19. 1,000,000,000 Watts is 1 ________ (8) G------- p22
  12. 24. = force x distance (4) W--- p09