Some are made of Copper some are made of Zinc and older ones are made of Lead.
Copperhead BBs are made of steel with copper plating.
BB's are not all made of the same materials. Some of the best are nearly pure copper. The density of copper is 8,920 kg/m3. Your instructor probably has some BB's and lab equipment he expects you to use to determine their density. Measure a BB and calculate it's volume. Weigh it and and convert your measurements into kg/m3.
Do you mean Bullet? Is usually made from Copper, lead, steel or other inert materials.
copper with a steel cover of zinc inside of it!
They are .175 caliber
No they are Copper, Lead or Steel ball bearings. airsoft uses 6mm plastic BB
.40 grams
Actually the copper will start to corrode. and may cause infection.
This BB gun was made by WHO?
possibly yes but lets not try :)
This inexpensive BB gun is made in Taiwan.
pellet=no bb's= 6mm plastic not copper.