Science Max: Simple Machines and Inventions

What challenge did the caveman face with the rock?

• He couldn't find the rock.

• He didn't know how to move it easily.

• He wanted to break the rock.

• He was afraid of the rock.

What ancient tool was used to move heavy rocks?

• Pulleys

• Ropes and rollers

• Levers

• Wheels

What was a limitation of using rollers?

• They required a lot of manpower.

• They were too heavy to use.

• They were not perfect for all terrains.

• They were too expensive.

What is the significance of the wheel in human history?

• It was the first tool ever made.

• It was used to build the pyramids.

• It allowed humans to fly.

• It is considered one of mankind's greatest inventions.

How does a wheel function effectively?

• By being rolled manually.

• By being placed directly on the ground.

• By being attached to axles under a platform.

• By being used as a lever.