radiation

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Across
  1. 3. used to take the temperature of something
  2. 6. hot
  3. 8. hot ball of gas
Down
  1. 1. moving
  2. 2. something that moves depending on temperature
  3. 3. heat energy
  4. 4. something everyone has
  5. 5. sun energy created from sun waves
  6. 7. rays of heat created by sun