Across
- 3. uses electricity to do something useful
- 7. stored energy
- 11. solid form of fossil fuel
- 14. what electricians’ gloves are made out of
- 17. motion energy
- 19. resources that will not replenish themselves in a lifetime
- 21. the man who created the first law of energy
- 22. liquid form of fossil fuel
- 23. ability to do work and cause change
- 25. combination of smoke and fog that results from large amounts of coal burning
- 27. a circuit where there are no gaps and electrons can flow freely
- 29. resources that are the remains of organisms that lived long ago
- 31. a steady flow of electricity
- 33. force that is needed to create both coal and petroleum
- 34. what is used in nuclear power, which are found by digging deep in to the ground
- 35. when electrical charges move from one object to another
- 38. effect of gases emitted by burning fossil fuels
- 39. burns plants, crops, and animal waste to generate energy
Down
- 1. a harmful addition to the natural environment
- 2. a circuit that provides more than one path
- 4. provides electricity in a circuit
- 5. when one negative and one positive electrons come together
- 6. by-product of burning uranium
- 8. uses the flow of water through a dam to generate energy
- 9. what common wires are made out of
- 10. gas form of fossil fuel
- 12. uses the heat from below the Earth’s surface to generate energy
- 13. number of years it takes for decaying organisms to transform into fossil fuels
- 15. any material that electricity can flow easily
- 16. resources that can be used over and over again without any effect on the environment
- 18. any material that electricity cannot flow through
- 20. type of rain that is very damaging to all life forms
- 24. energy cannot be created nor ______
- 26. carries the electrical current in a circuit
- 28. uses panels to collect energy
- 30. a circuit where there is only one path
- 32. heat energy
- 36. when two of the same electrons come together
- 37. type of gas produced by burning fossil fuels