Science vocab.

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Across
  1. 2. A device that measures how hot or cold something is.
  2. 4. force that opposes motion between between 2 surfaces that are in contact.
  3. 6. The energy of moving electrons.
  4. 10. The energy transsfered between two objects that are at different temperatures.
  5. 12. Are the physical forms of matter.
  6. 13. Is the movement of matter that is caused by differences in density.
  7. 14. A natural resource that can be reproduced at the same rate at t is being used.
  8. 18. Are heat engines that burn fuel within the engine.
  9. 23. A device that measures heat.
  10. 24. A substance that reduces the transfer of heat electricity, sound, or heat.
Down
  1. 1. The burning of a substance.
  2. 3. Is the temperature when the molecular energy is at zero.
  3. 5. Energy produced by heat within the Earth.
  4. 6. Are heat engiens that burn fuel outside of the engine.
  5. 7. A change of one form of energy to then another.
  6. 8. The burning of wood.
  7. 9. Any organic matter that is used as an energy source.
  8. 11. A device that measures energy from the sun.
  9. 15. The energy of moving electrons.
  10. 16. A vibrating drum in a disco.
  11. 17. The energy of an object that is due to the object
  12. 19. The transfer of energy as heat through a material.
  13. 20. Energy that is released by a fission of fusion reaction
  14. 21. Light from a lightbulb.
  15. 22. The kinetic energy of a substance's atoms.