ON THE WEB: HOW FIREWORKS GET THEIR COLOURS
by Hazed
Do you enjoy fireworks on the Fourth of July? Of course you do. But maybe along with the oohs and aahs of the spectacle, you wonder just what gives fireworks those vibrant colours.
The answer is: metal salts. Different salts cause different colours, and here’s a rundown of which minerals make which colour. So next time you watch fireworks going off, you’ll be able to amaze your friends by explaining just how they get their colour.
