Across
- 3. world’s biggest particle accelerator
- 5. particle family that includes electrons
- 8. tiny negative particles orbiting atoms
- 10. smallest units that make up all matter
- 14. machines that speed up particles for collisions
- 15. particles that carry forces
- 16. particles made of quarks
Down
- 1. energy burst when matter meets antimatter
- 2. particle that gives mass to others
- 4. research center that operates the LHC
- 6. nearly invisible particles that pass through matter
- 7. positively charged particles in the nucleus
- 9. event that began the universe
- 11. opposite version of matter
- 12. particles that form protons and neutrons
- 13. neutral particles found in the nucleus