Ooh Pretty! Don’t you just love fireworks!?
- Fireworks are explosive, chemical reacted projectiles that are typically shot in the air and are typically used for colourful entertainment and are sometimes used at religious occasions.
- Fireworks date back to the tenth century China.
- The largest firework display was for the 50th anniversary of Kuwait’s constitution in November 2012, and displayed 77,282 projectiles.
- There are three classes of firework explosions: class A are highly explosive; class B are low explosive and not publicly sold; and class C are low explosive and are publicly sold.
- The colour of a firework depends on the metal used. For example, a blue coloured firework contains copper metal.
- Some agriculture farmers use fireworks to scare off bird pests.
- In most countries, people under the age of 18 are not permitted to buy or set off fireworks.
- Fireworks make noises that sound like bangs (reports), crackles, hums or whistles, depending on the type of firework.
- Fireworks project shells which explode in mid air or on the ground and can cause fires due to unextinguished flames.
- Fireworks come in a variety of effects, numbering in the twenties, which include the ‘Chrysanthemum’, ‘Spider’, and ‘Cake’.
Bibliography:
Fireworks 26 November 2012, Wikipedia, <http://en.wikipedia.org/wiki/Fireworks>
