Y10 End of Year Physics Crossword

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Across
  1. 1. The unit of energy.
  2. 4. The unit of electrical resistance.
  3. 6. The unit for magnetic flux density (also a very fast car).
  4. 10. Any energy source that will never run out.
  5. 13. A wave where the vibrations are parallel to the direction of motion.
  6. 14. The correct word for one battery.
  7. 15. The temperature at which all motion stops. -273 degrees Celsius
  8. 17. A force which opposes (acts against) motion.
  9. 22. The force due to gravity.
  10. 26. A tiny particle with a negative charge.
  11. 27. The energy needed to raise the temperature of 1 kg of a substance by 1 degree Celsius.
  12. 28. When an object changes speed
  13. 30. The total force acting on an object.
  14. 34. The change in direction of a wave as it goes from one medium to another.
  15. 35. A line drawn at right angles to the surface of a mirror.
  16. 36. Spread out.
  17. 37. The upward force exerted by a fluid.
  18. 38. An electrical circuit that allows current to take more than one route.
  19. 39. An instrument for measuring voltage.
  20. 41. To give out.
  21. 42. A component that only allows current to flow in one direction through it.
  22. 43. The number of vibrations per second. Measured in Hertz.
  23. 44. A diagram showing energy transfers. The width of the arrow is proportional to the amount of energy that it represents.
Down
  1. 2. The same in all places.
  2. 3. The unit for measuring voltage.
  3. 5. A vector has both ..... and direction.
  4. 7. A place where there is no matter at all.
  5. 8. The time taken to respond to a stimulus.
  6. 9. A unit for temperature.
  7. 11. Any energy source that will run out.
  8. 12. Whether a sound is high or low.
  9. 16. A resistor whose resistance decreases when light is shone on it.
  10. 18. The transfer of heat energy by a moving fluid (hot air rises).
  11. 19. The force that causes an object to follow a circular path. It acts towards the centre of a circle.
  12. 20. A component whose resistance decreases as the temperature increases.
  13. 21. The space around an object with an electric charge where it can affect other objects.
  14. 23. A piece of apparatus used to measure the speed of a fast moving object.
  15. 24. The unit of power.
  16. 25. forces When the forces in opposite directions on an object are the same size. Zero resultant force.
  17. 29. A push, pull or twist. Measured in Newtons.
  18. 31. Measured in kilograms.
  19. 32. The unit of current
  20. 33. A material which stops heat flowing from one object to another.
  21. 38. The time taken for one complete wave.
  22. 39. Speed in a given direction.
  23. 40. Measured in m/s.