Gun

High school (ages 12+)
Science & Technology

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/gun

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the earliest known origin?China, approximately AD 1000, with proto-gun devices
2. What is the primary propulsion mechanism?Rapid exothermic combustion of propellants generating high gas pressure within a barrel
3. What is a gun and how does it work?A gun is a tube that shoots a projectile. It uses hot gas from burning powder to push the projectile down the barrel. The barrel can spin the projectile for better accuracy.
4. How did guns start in ancient China?The first gun-like devices appeared in China around the 11th century. They used gunpowder to push a projectile. By the 13th century, metal barrels were used to seal the barrel and make the gun more efficient.

Projectile: An object propelled by an external force, such as a bullet, shell, or dart.
Propellant: A substance, typically gunpowder, that produces gas through combustion to launch a projectile.
Caliber: The internal diameter of a gun barrel, often used to classify firearms.
Rifling: Spiral grooves inside a gun barrel that impart spin to a projectile for stability.