Guess it

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Across
  1. 2. bones of a dead animal
  2. 3. as assumption or an idea to known if its true
  3. 4. everything is made up of this
  4. 5. the moment of energy
  5. 8. accurate information
  6. 9. an individual living thing
  7. 11. what your parents give you / what you develop as you get older
  8. 12. the measurement data of something
  9. 13. you do this to find your answer to things and use many websites to do this thing
Down
  1. 1. releases heat and energy
  2. 6. absorbs heat and energy
  3. 7. smallest unit of element
  4. 10. a glass cup you use to measure or to experiment