Simple Machines

3. part of a water bottle with a screw
4. pulleys are used to raise this on a sailboat
6. number of different types of simple machines
9. type of simple machine that is a flat surface with one end higher than the other
10. a simple machine used to separate something; made up of two inclined planes back-to-back
15. type of simple machine made up of a bar that moves on a fixed point, or fulcrum
16. type of simple machine that is made of a wheel attached to a rod
17. lever used for digging holes in the ground
18. When you push, pull, or turn something you are applying this.

1. Pulleys are used to raise a flag up this tall object.
2. wedge used for chopping wood
5. tool with two levers attached together for cutting paper
6. inclined plane that is often found on a playground
7. wheel and axle tool that is often used with screws
8. wedge used for cutting food
11. wheel and axle device that is turned when you open a door
12. fixed point on a lever that doesn't move
13. type of simple machine that is made of a wheel with a rope or chain
14. type of simple machine that is spiral-shaped and pulls two things together
17. lever that kids sit on; often found on a playground