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Q: What observation tells you a firework has gone off?
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Why is it dangerous to return to a firework if you think it might have gone out?

Because it might not have gone out and it can be extremely dangerous because it could still go off!


Why is it dangerousto return for the firework if you think the flame might have gone out?

Because it might not have gone out and it can be extremely dangerous because it could still go off!


How do you write a sentence with the word precaution?

You should approach a firework that has been lit but not gone off with precaution, as it could explode at any moment.


Does an explosion of firework require heat or give off heat?

A firework explosion gives off heat.


Is setting a firework off reversible?

no you can not.


What should you do if a firework does not go off?

Hi , If you are lighting fireworks and one of them does not go off you should NEVER return to it , Leave it and light your other fireworks off away from the firework then when you have finished your display put water on the firework. BigBangFireworks


What is the firework code?

the code is: NEVER let a firework go off in your hand NEVER let pets outside when letting them off if you think a firework isn't going off don't go up to it it could go off at anytime by Taylor pettifer


Why are firework set off?

for enjoyment and to entertain


Is there a chemical reaction when a firework goes off?

Yes.


Is firework a light source?

Yes, it is. Fireworks gives off its own light.


How does a firework take off?

When the fireworks are lit, it ignites the fuel. The firework is propelled into the sky and when the fire reaches a compartment with the flash powder in it, it ignites and makes a bang.


How many fireworks were let off at Be jing at the Olympics in 2008?

20 kg of firework