science thinky

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Across
  1. 2. mass of something
  2. 5. natural stuff in air
  3. 6. radiation
  4. 8. its a type of thermal energy
  5. 9. somethings in cars
Down
  1. 1. the sun makes this
  2. 3. people used this alot during the industrial revolution
  3. 4. something that hits you everyday
  4. 7. resource you have to mine for