Across
- 2. It travels faster in wood than in air
- 5. Villain who can be fought with bare hands, but only after washing them.
- 7. can be used to harness energy
- 8. A large group of stars, gas and dust.
- 9. Money that is neither a note nor a coin
- 11. nothing can travel faster than this
- 13. A game of numbers played with alphabets.
Down
- 1. One of the types of quarks found in protons and neutrons
- 3. a bird that cannot fly, but now is nowhere to be seen
- 4. A mass of material with a long tail that travels around the Sun.
- 6. opposites attract
- 10. smallest yet the sharpest scissors in the world.
- 12. Wear one everyday and keep the doctor away.