Y10 End of Year Physics Crossword

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