Physics

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Across
  1. 2. When a _____ moves on an object work is done.
  2. 5. Opposite to Electromagnetic waves.
  3. 8. Causes cells to mutate.
Down
  1. 1. The amount of time to half in radioactivity.
  2. 2. Speed / Wavelength = what?
  3. 3. Speed and direction.
  4. 4. What is the shortest wave type?
  5. 5. GPE = _____ x Gravity x Height.
  6. 6. Gravitational field strength on earth per kg.
  7. 7. What units are wavelength measured in?