Across
- 1. A hollow sphere made of pasted paper and string which is cut in half and packed with stars
- 4. Salts reacts with metal oxides to produce an array of colors
- 7. The excess energy gets emitted as light when they go back down to their lowest energy state
- 8. Container of the firework
- 9. Charge inside the middle of the shell to ignite the firework
Down
- 2. Part of the firework that makes the amazing display
- 3. A device containing gunpowder and other chemicals that causes an explosion when ignited
- 5. Excites the metal particles so they can emit light
- 6. Produces both sound and light effects