Energy

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Across
  1. 3. Materials that don't allow electricity to pass through them
  2. 9. A comparison of the energy output to the energy input in a given system
  3. 12. The smallest part of a substance that cannot be broken down chemically
  4. 13. A resource of which there is a seemingly endless supply because it can be replenished
  5. 14. Objects that emit light by their own
  6. 18. Light travelling through electromagnetic waves
  7. 20. The ability of a deformed material body to return to its original shape and size when the forces causing the deformation are removed
  8. 22. A number used to change one set of units to another, by multiplying or dividing
  9. 23. A form of energy released from the nucleus, the core of atoms, made up of protons and neutrons
  10. 25. The ability to do work
  11. 26. A resource that will run out or will not be replenished in our lifetimes
  12. 27. The electromagnetic radiation with wavelengths between 380 and 750 nm which is visible to the human eye
  13. 29. The bouncing back of light from any shiny surface
  14. 30. Energy from the sunlight
  15. 31. The process of changing energy from one form to another
Down
  1. 1. A substance that captures and transforms energy
  2. 2. A force that tries to pull two objects toward each other
  3. 4. Its use for a particular purpose
  4. 5. Made from decomposing plants and animals
  5. 6. Energy released in the form of particle or electromagnetic waves
  6. 7. The rate of doing work
  7. 8. A device that stores chemical energy, and converts it to electricity
  8. 10. A type of energy that is stored in an object due to its position relative to other objects
  9. 11. The emission of light by a solid that has been heated until it glows, or radiates light
  10. 15. A clear, colourless liquid with a characteristic pleasant odour and burning taste
  11. 16. An extremely tiny piece of matter
  12. 17. A combustible black or brownish-black sedimentary rock with a high amount of carbon and hydrocarbons
  13. 19. The transfer of energy, such as heat or an electric charge, through a substance
  14. 21. The rising motion of warmer areas of a liquid or gas, and the sinking motion of cooler areas of a liquid or gas, sometimes forming a complete cycle
  15. 24. The energy of motion
  16. 28. A type of energy made by vibrations