Across
- 2. Subject about things in motion
- 7. angles in the air
- 8. a physical combination of two or more substances
- 10. produces yellow and gold colors
- 11. oxidizer in fireworks
- 13. we all must protect
- 14. colorful blast in the sky
Down
- 1. makes fireworks whistle
- 3. makes fireworks green
- 4. gives up oxygen
- 5. firework engineers
- 6. subject about chemicals
- 9. powder used to make fireworks
- 12. the most important thing