Consumer fireworks such as sparklers and snakes contain almost no amounts of black powder or explosive substances. b.

Firecrackers or other products with flash powder or black powder are considered strong and dangerous. 2. Although you can buy many types of fireworks, not all of them may be legal. a. There are not many legal fireworks in Michigan.

The only legal fireworks are sparklers, snakes, small fountains and smoke devices. This leaves firecrackers, roman candles and bottle rockets in the illegal section. a. Large fireworks, such as ones for holiday displays are illegal unless you acquire a permit from the ATF.III.

Conclusion A. Review of Main Points: 1. First, I talked about different types and designs. 2. Next, I explained how many effects can be achieved by chemical design. 3.

Finally, I discussed the strengths and legalities of fireworks. B. Restate Thesis: Fireworks can vary in many way, such as type, chemical make up and strength. C.

Closure:You now know a great amount about fireworks and you can now enjoy them more and create small displays for yourself and friends. References Lancaster, O. (2006). Fireworks principles and practice. Chemical Publishing Company.