Simple machines

2. A wheel and axle device used to turn machinery.
5. A screw-shaped fastener that holds bolts in place
7. A lever tool used to pry objects apart
9. Part of a water bottle with a screw
10. A type of simple machine that is a flat surface with one end higher than the other
13. Type of simple machine made up of a bar that moves on a fixed point, or fulcrum
16. A lever used to drive nails into wood
17. A type of simple machine that is made of a wheel with a rope or chain
19. An inclined plane that helps move heavy objects upward
20. Lever that kids sit on; often found on a playground
22. A tool with two levers attached for cutting paper
24. A type of simple machine that is spiral-shaped and pulls two things together
26. A wheel-and-axle device that is turned when you open a door
27. A type of simple machine that is made of a wheel attached to a rod

1. Pulleys are used to raise a flag up this tall object
3. A wedge used for cutting food
4. A pulley system used to lift or pull heavy loads
6. An inclined plane that is often found on a playground
7. A wedge tool used for carving or cutting hard materials
8. pulleys are used to raise this on a sailboat
11. A screw-based tool used to make holes in materials
12. Wedge used for chopping wood
14. Inclined planes built in fortifications to move equipment upward
15. A simple machine used to separate something; made up of two inclined planes back-to-back
18. A fixed point on a lever that doesn't move
21. A wheel and axle tool that is often used with screws
23. Number of different types of simple machines
25. Two levers joined together, used to grip and lift objects