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Pyrotechnics and Fireworks

The use of substances that produce noise, light, heat, smoke, or motion when ignited; Usually for aesthetic displays or military purposes.

1,267 Questions

What country did fireworks originate?

Fireworks are believed to have originated in China over 2000 years ago. The early Chinese used simple fireworks made from bamboo sticks that would explode during religious ceremonies to ward off evil spirits.

How is explosion of fireworks a chemical change?

Explosions could be caused by a chemical reaction, or they could have a mechanical cause. It could even be nuclear. If a stick of TNT goes off, it's chemical, while a compressed gas cylinder with a failing weld that explodes while being filled is mechanical. A nuclear weapon is driven by nuclear reactions. All involve a rapid and violent release of energy. The thing that makes an explosion is the speed of the activity, whether it be chemical or mechanical. A high explosive anti-tank round is a chemical weapon, while a ballistic "spear" (perhaps made with depleated uranium) used to defeat modern armor is a mechanical weapon.

Is fireworks illegal in ca?

It is legal to make fireworks as long as they are set of on your property line, you will also be liable for all expenses if a fire occurs this includes firetrucks time,city and your home all yourself with no help from insurance.

How does a firework get up into the sky and then explode at a specific height?

A firework is essentially a rocket. Once a firework is lit, propellant (fuel) in the rocket burns, sending the rocket high into the sky, and once the burning reaches the part of a firework with chemicals and metals in it, it explodes into different color.

How old do you have to be to buy fireworks in the UK?

Contrary to the previous answer, to smoke or purchase tobacco in the UK you have to be 18. If somebody sells you tobacco when you are underage, they are breaking the law, and so are you, but they get fined or whatever and you are offered free advice from the NHS (National Health Service - we get medical care free in the UK). I advise you don't smoke under any condition as it is severely damaging to your health.

Which group of elements could you not use in making fireworks?

Noble gases, such as helium, neon, and argon, cannot be used in making fireworks because they are chemically inert and do not readily form compounds that can produce the desired colorful light displays seen in fireworks.

What time does fireworks start at?

Fireworks typically start at dusk, which is usually around 9:00-10:00 pm depending on the time of year and location. It's recommended to check with the event organizers or local community for specific start times.

What time does Singapore ndp fireworks start?

The National Day Parade (NDP) fireworks in Singapore typically start around 8:30 pm and last for about 20-30 minutes. It is advisable to arrive early to get a good viewing spot as the area can get quite crowded.

What is the diameter of a firework explosion?

For an aerial shell, rule of thumb is about 50-80 feet per shell inch.

How do fireworks smell?

Fireworks have a distinct smell that is often described as a combination of sulfur, smoke, and gunpowder. The sulfur, a key component in many firework compositions, gives off a sharp, acrid scent, while the burning materials produce a smoky aroma. After fireworks explode, the lingering smell can evoke memories of celebrations and outdoor festivities, adding to the overall sensory experience.

What are the most dangerous fireworks?

Well you might think this is weird but, smoke bombs are probably the most dangerous because, the smoke from it has acid in it and other harmful chemicals so if you breath the smoke in you will get sick or you can die.

How many people use fireworks?

Estimating the number of people who use fireworks can be challenging, as it varies widely by country and occasion. In the United States alone, millions of people participate in fireworks displays during holidays like Independence Day and New Year's Eve. Globally, countries with cultural celebrations often incorporate fireworks, suggesting that hundreds of millions of people enjoy them each year. However, specific statistics may vary based on local laws, availability, and cultural practices.

Can you shoot fireworks at Lake Tahoe?

yes you can but make sure that you do not lite up that much that way you wont be called in but yes you can but i would say shoot maybe 15 then wait 20 min then continue

i hope this awsers your question

lake Tahoe patrol

Where can someone find information on what materials are required to build your own homemade fireworks?

To build our own fireworks, we can find information about the materials we should use all around the internet. Sites about chemistry are very helpful because they teach how to do it safely.

What black powder or black powder substitute would be best to propell fireworks?

Larger grain black powder, such a fG or ffG. Black powder substitutes, such as Pyrodex are not intended for use in propelling fireworks. Pyrodex R could be tried- rmember it is measured not by weight, but by volume.