Physics crossword

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Across
  1. 2. The force that holds us down on Earth
  2. 7. The type of wave that moves at the speed of light
  3. 8. A stellar object that is very dense but not a black hole
  4. 10. The path that a planet follows around a star
Down
  1. 1. An elementary particle that has a name similar to a German dairy product
  2. 3. A material that allows almost no electric current to pass
  3. 4. The quantity that measures the energy an object has due to its position
  4. 5. A quantity that describes how fast something moves
  5. 6. The unit that measures frequency of a wave
  6. 9. The unit that measures the strength of a magnetic field