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