Physics Revision

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Across
  1. 2. Force divided by area
  2. 5. Gamma Rays cause
  3. 7. The shape of a planetary orbit
  4. 10. Brown wire in plug
  5. 11. Stops unwanted energy transfers
  6. 15. Creates a magnetic field when electric current is run through it
  7. 16. Used to find the direction of a magnetic field
  8. 18. Energy transfered by infrared waves
  9. 19. 1/2 x mass x velocity squared
  10. 20. Hearing range between 20 and 20 000 Hertz
  11. 23. Light waves are
  12. 24. initial speed squared plus 2 x acceleration x distance moved
  13. 25. Energy store that releases energy by chemical reactions
  14. 26. Line drawn perpendicular to the reflective surface where the incidence ray hits it
  15. 27. Shared equally between components equally in series circuit
  16. 30. 1 divided by sin c
  17. 31. Diagram linking useful and wasted energy
  18. 35. The louder the sound the greater the
  19. 36. Measures pressure
  20. 37. On a temperature-time graph a flat section shows a
  21. 39. Gas molecules move faster when the temperature
  22. 40. Melts when too much current flows through it breaking the circuit
  23. 42. Causes satellites to orbit planets
  24. 43. The last stage in stellar evolution of a star with a similar mass to the sun
  25. 47. When a wave source is moving away from an observer and the observed wavelength increases and the frequency decreases
  26. 49. Colour of a class A star
  27. 52. Gas molecules have a random
  28. 54. Measures resistance
  29. 56. When air resistance is equal to weight
  30. 59. Has multiple pathways for the current to flow through
  31. 62. Equals force times perpendicular distance from the pivot
  32. 63. Affects the driver's braking distance
  33. 64. When all light is reflected back into the more optically dense medium
  34. 68. One Joule per Coulomb
  35. 70. When it wont return to original length it reaches the limit of
  36. 72. Sound waves are
  37. 73. Reusable version of a fuse
  38. 75. Displays sound energy as electric signals
  39. 78. Rate of flow of charge carried by electrons
  40. 81. Has a plastic casing with no wires connect
  41. 82. Affects the driver's thinking distance
  42. 83. Harmful to eyes and causes sunburn
  43. 84. Affects gravitational field strength
  44. 85. The length of time it takes for one complete wave
  45. 86. Is not lost unless in an open system
  46. 87. 230 volts in UK
Down
  1. 1. A universal measurement of temperature
  2. 3. Equals the gradient in a distance-time graph
  3. 4. Emit the longest wavelength and lowest frequency
  4. 6. Area under the line in a velocity-time graph
  5. 8. Renewable, easy to manage and attach method of creating electrical energy
  6. 9. Extension is directly proportional to applied force (if object does exceed limit of proportionality)
  7. 12. Sin r times refractive index
  8. 13. Infrared Radiation is used for
  9. 14. Energy transfered by heating solids
  10. 17. Shown by the fingers in the right hand rule
  11. 21. A large collection of billions of stars
  12. 22. Quantity that has both magnitude and direction
  13. 28. The amount of energy required to raise the temperature of a substance by 1 degrees Celcius
  14. 29. Allows humans to classify stars correctly and compare them
  15. 32. A force that opposes motion
  16. 33. A satellite that is used for communication and orbits the equator
  17. 34. When removed from a magnetic field magnetism is lost quickly
  18. 38. Used for observing internal structures of objects
  19. 41. Used in cars and reduces forces acting on chest
  20. 44. The rate of transfer of energy
  21. 45. Has a regular pattern of particles that vibrate
  22. 46. The bending of light when it enters a different medium
  23. 48. Units for current x time
  24. 50. Type of energy created by fossil fuels before kinetic
  25. 51. Current through a conductor is directly proportional to potential difference across it (if temperature is constant)
  26. 53. Device that convert ac current to dc
  27. 55. Energy store where two charges attract or repel each other
  28. 57. An imaginary surface joining all peaks of a wave
  29. 58. -273 degrees Celcius is also known as
  30. 60. Is higher the more something vibrates
  31. 61. The angle of incidence at which the angle of refraction is 90 degrees
  32. 65. A rule used to check the direction of the force, the current, and the magnetic field
  33. 66. It uses negatively charged ink and positively charged parts of paper
  34. 67. Increases resistance at low light intensity
  35. 69. If a component breaks it keeps flowing through others in a parallel circuit
  36. 71. Used by doctors to see different parts of the body
  37. 74. Energy transfer by heating in liquids and gases, where more energetic particles diffuse
  38. 76. Has balanced forces acting on it so it
  39. 77. Equals rise over run in a velocity-time graph
  40. 79. Like poles are brought together
  41. 80. Evidence for Big Bang