WONDER #1712: Who Invented the Wheel and Axle?

Question 1 of 3

A machine is anything that makes a force what?

1. bigger
2. smaller
3. louder
4. quieter

Question 2 of 3

The wheel and axle was invented over how many years ago?

1. 100
2. 500
3. 1,000
4. 5,500

Question 3 of 3

The mechanical advantage of a wheel and axle is calculated by dividing the radius of the wheel by the radius of the what?

1. circumference
2. axle
3. hypotenuse
4. framework

Check your answers online at https://wonderopolis.org/wonder/who-invented-the-wheel-and-axle.