Example
Definition
Keywords
100
See-Saw
What is a Lever
100
Wheel and Axle
What is a Rod with Two Wheels Attached to Both Ends
100
Lever
What is Fulcrum
200
Elevator
What is a Pulley
200
Pulley
What is Grooved Wheel With Rope Attached
200
Inclined Plane
What is Slanted Surface
300
Teeth
What is a Wedge
300
Wedge
What is A Object That Slices Thing Apart
300
Pulley
What is Grooved Wheel
400
Clock
What is a Gear
400
Compond Machine
What is a Car
400
Gear
What is Wheel With Teeth
500
Bycycle
What is a Compound Machine
500
Lever
What is A Wheelbarrel
500
Screw
What is Wrapped Around A Clyinder