Question

what are crackers made up of why is sand used in it why do crackers produce a lot of sound and smoke ​

Answer 1

◾ Crackers are made up of an explosive material and an compacting material namely paper, sand and string.

◾ Sand is used to seal the Crackers from other end i.e from downside so that it should be completely packed.

◾ Crackers produces lot of sound because high amount of energy get release within less amount of time which creates a shock wave which we here as sound.

◾ Crackers creates smoke due to the burning of the explosive and paper or etc (compacting material).

hope it helps...

Answer 2

The Reason behind the crackers made up of sand and produce a lot of sound and smoke:​

• The firecracker is usually made up some kind of plastic or cardboard.

• It contains inflammable substance like black powder, smoke powder or cordite. It also contains sand.

• And Mainly they use sand in crackers to close the edges, Which helps to keep burning particles in side the crackers safely.

• They are usually tightly packed to produce the sound that you hear when they are burnt.

• It contains paper which releases the smoke upon burning.

• They contain chemicals that are harmful for the nature and animals.

• They cause noise pollution and pollute the very air we breathe.

• The firecrackers contain gunpowder which upon igniting react with the gases which are also present in the crack and unleash the loud pop sound.

Learn More About crackers:

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