Gunpowder
Storyboard Szöveg
- Kids, today we are going to learn about gunpowder and how it is made!
- Gunpowder is known as one of the “four great inventions”. It is used as a propellant for firearms and artillery weapons
- Oh yeah, I heard that gunpowder is made out of saltpeter, sulfur and charcoal.
- Yeah, and when these materials are together, they burn quickly and explode!
- Correct, this invention could would be used in about every war from that point on!
- Gunpowder was made in the 9th century in china. It is a black powder made up of tiny little specks. It is the earliest known chemical explosion It is used in most weapons and is still used in present day.
- Gunpowder is one of the “four great inventions of china”. It is used as a propellant for firearms and artillery weapons
- Ignition of gunpowder packed behind a projectile generates enough speed to leave the muzzle at high speeds but not rupture the barrel.
- Kids, today we are going to learn about gunpowder and how it is made!
- Gunpowder is used in most wars after it was invented in the 9th century. Frankly, gunpowder had built and destroyed our existing world today.
- Kids, today we are going to learn about gunpowder and how it is made!
Több mint 30 millió storyboard készült