Science 8 Crossword (Energy and Physics)

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Across
  1. 1. cannot identify an unknown
  2. 4. - A kind of reaction that takes in energy
  3. 7. - Associated with the energy inside of the nucleus of an atom
  4. 9. of electrons
  5. 11. - A pure substance that cannot be separated by any means
  6. 15. - The speed in which velocity changes over time
  7. 20. - Light energy
  8. 21. - A subatomic particle with a negative charge
  9. 23. - The amount of protons in an atom
  10. 25. - A substance consisting of 2 or more different elements
  11. 26. - The speed of an object in a certain direction
  12. 28. - A kind of reaction that releases energy
  13. 32. - All radiant energy is classified as this kind of wave
  14. 33. - Energy of moving electrons
  15. 35. - Energy released after every energy transfer
  16. 36. - An object's resistance to a change in motion
  17. 37. - Smallest part of an element
  18. 38. - This property is used to identify an
  19. 39. - When a force causes an object to move
  20. 40. - Number of protons + Number of neutrons
  21. 42. - Energy in motion
Down
  1. 2. - The speed of molecules
  2. 3. - A disturbance that causes motion
  3. 5. - A subatomic particle with no charge
  4. 6. - Energy changes form but cannot be
  5. 8. - These allow heat to easily pass through
  6. 10. - Sound is carried out as this kind of wave
  7. 12. - The ability to do work or cause change
  8. 13. - Heat transfer from fluids
  9. 14. - The amount of matter in a chemical reaction does not change, this is known as the law of conservation of ___
  10. 16. - These slow down the transfer of heat
  11. 17. or destroyed, this is the Law of ____ of energy
  12. 18. - A subatomic particle with a positive charge
  13. 19. - Heat transfer from direct contact
  14. 22. - When 2 objects have the same temperature, this is known as thermal _______
  15. 24. - Stored energy
  16. 25. - Energy contained in the bonds of atoms/molecules
  17. 27. - This property is used to describe matter
  18. 29. - Energy, possessed by an object due to its motion or position
  19. 30. - Heat transfer from the EM spectrum
  20. 31. - The transfer of energy from hot to cold
  21. 34. - Force of attraction / repulsion from
  22. 41. - 2 or more atoms that join together