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Science fair luis pedro
1.
2. What ingredients do you need
potassium nitrate (saltpeter, KNO3) and sugar
safety gear (gloves, goggles, and filter mask).
baking soda.
3. Procedure
Get some potassium nitrate (saltpeter, KNO3) and
sugar.
Put on your safety gear (gloves, goggles, and filter
mask).
Mix the saltpeter and sugar together in a cast iron
pot, three parts saltpeter to two parts sugar.
Heat the pot slowly over low flame, stirring
constantly until the mixture is completely melted
(it should have a brown or black color).
4. put in one spoon of baking soda.
Carefully pour/scrape the mixture into a mold or
some tinfoil and let it cool.
Insert a fuse while the mixture is still soft.
When the mixture is completely hardened, take it
to the desired location and light the fuse.