| A | B |
| Wedge | An object with at least one slanting side |
| Fulcrum | The fixed point of the lever |
| Lever | A simple machine that does work by moving at the fixed point |
| Distance | The space or the amount of space between two points |
| Pitch | Slope or degree of slope |
| Compound Machine | A system of two or more simple machines |
| Inclined Plane | A slanting surface connecting one level to another level |
| Mechanical Advantage | The advantage gained by using a machine to transmit force |
| Resistance | The force opposing another force |
| Pulley | A simple machine made of rope wrapped around a grooved wheel |
| Mechanical Efficiency | The measurement that compares a machine's work output with its work input |
| Streamlining | To design or construct with contours to reduce air or water resistance |
| Load | A mass or load supported or lifted by something |
| Screw | An inclined plane wrapped around a pole |
| Shaduf | Irrigation device consisting of a long pole with a bucket on the end |
| Simple Machine | A machine that does work in one movement |
| Effort | A force applied to a simple machine contrasting to the force applied to it against the load |
| Work | The force that acts upon an object in the direction the object moves |
| Wheel and axle | A simple machine that has a wheel with a rod going through it's center that both parts move together |
| Force | The push or pull on an object that causes motion or change |
| Power | The rate at which work is done measured in watt |