Physics Definitions

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Across
  1. 2. the unit of Charge
  2. 3. has a charge of -1
  3. 6. the number of waves that pass a point in one second
  4. 11. protons and neutrons are found here
  5. 13. a unit of Pressure
  6. 14. an energy resource using heat from the ground
  7. 15. the ability to do work
  8. 18. 2 atoms with the same atomic number but different mass number
  9. 19. this kind of particle is most ionising
  10. 21. when 2 small nuclei join to form a large nucleus this is called nuclear...
  11. 23. a material containing free electrons
  12. 24. what waves transfer
  13. 25. unit of power
  14. 26. an example of a longitudinal wave
  15. 27. Hooke's Law: force is directly proportional to...
  16. 29. energy due to movement
Down
  1. 1. the EM wave which could cause skin cancer
  2. 4. when light changes speed and therefore direction as it goes from one material to another
  3. 5. the circuit symbol is a circle with an A inside it
  4. 7. energy can't be created or destroyed but it can ... form
  5. 8. the radiation detected when no radioactive sources are present
  6. 9. a safety device which will melt when too high a current flows
  7. 10. a method of heat transfer
  8. 12. an energy resource that will run out
  9. 14. Weight= mass x ...
  10. 16. displacement divided by time
  11. 17. the EM wave with the longest wavelength
  12. 20. In Ohm's law Voltage is directly proportional to...
  13. 22. F=ma is which of Newton's laws
  14. 28. a force which opposes motion