Star Power

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Across
  1. 1. the positive particle in an atom
  2. 3. the equation that relates matter to energy
  3. 7. a reaction that occurs in the nucleus of an atom and releases lots of energy
  4. 8. the amount of matter in an object and more of this gives something more gravity
  5. 9. the outermost layer of the sun
  6. 10. the main fuel used to power the sun
  7. 11. the center of the sun
  8. 12. the inward force of a star that generates lots of heat and pressure
  9. 13. the state of matter in the sun
Down
  1. 2. the neutral particle in an atom
  2. 4. a reaction that changes the electrons in an atom
  3. 5. the negative particle in an atom
  4. 6. the joining together of two smaller atoms to make a larger one
  5. 10. the product of the nuclear reaction in the sun