Simple Machines & Compound Machines

3. A combination of two levers with a fulcrum between them, used to cut through materials with less force.
9. A combination of a wheel and axle and a screw, used to create holes in hard materials with less effort.
10. A bar that pivots at a fixed point to help move a heavy object with less force
12. A circular object that rotates around a central axis called an axle, used to reduce friction and increase speed or force.
13. An object with at least one slanting side ending in a sharp edge, used for splitting or tightening.
15. A combination of levers and springs, used to join papers together with less force.

1. A combination of levers, hammers, and strings, used to produce musical sounds with less force.
2. A sloping surface that reduces the amount of force required to move an object up or down a height.
4. A combination of a lever and a wheel and axle, used to remove lids from cans with less effort.
5. A combination of a wheel and axle, a lever, and a pulley, used to move people over long distances with less effort.
6. A combination of a lever and a wheel and axle, used to lift and transport heavy loads with less force.
7. An inclined plane wrapped around a cylinder or cone to create a helical form that can move through a solid surface or material.
8. A wheel with a grooved rim that allows a rope, cable, or chain to move along it, providing a mechanical advantage to lift heavy loads
11. A combination of several machines, including an engine, wheels and axles, and gears, used to transport people or goods with less effort and over long distances.
14. A combination of gears, levers, and a wheel and axle, used to mix and beat eggs or other ingredients with less effort.