CrossWave

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Across
  1. 2. Type of wave that requires a medium
  2. 4. Particle with negative charge
  3. 5. Type of energy from the sun
  4. 6. Branch of physics studying heat
  5. 8. Scientist who discovered gravity
  6. 10. Device that measures temperature
Down
  1. 1. Phenomenon where light passes through a narrow opening
  2. 3. Type of rock that forms from cooling magma
  3. 7. Unit of measurement for energy
  4. 9. Scientist who developed the theory of relativity