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