I WONDER - When Were Rockets Invented?

The transcript discusses the historical use of rockets, initially developed using solid propellants for weapons and fireworks. It highlights the Chinese advancements in rocket technology during their conflicts with Mongol invaders, where they created gunpowder-fueled arrows.

What was one of the primary uses of early rockets with solid propellants?

• Space exploration

• Weather monitoring

• Weapons and fireworks

• Transportation

Which of the following was not a use of early rockets?

• Communication

• Weapons

• Signaling

• Fireworks

During which conflict did the Chinese develop rockets?

• World War I

• The Napoleonic Wars

• The war with Mongol invaders

• The American Civil War

What innovation did the Chinese introduce in their weaponry during the Mongol invasions?

• Gunpowder-fueled arrows

• Steel swords

• Cannonballs

• Crossbows

What material was primarily used to fuel early Chinese rockets?

• Natural gas

• Gunpowder

• Kerosene

• Liquid hydrogen