Radiation crossword

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Across
  1. 2. transfer of heat through
  2. 6. what waves travel through space
  3. 7. what is radius in latin
Down
  1. 1. what roasts marshmellows
  2. 3. what form of radiation transfers heat
  3. 4. what wave is used for remote sensing
  4. 5. ____ objects absorb more light