1. Simple Machines By Nathan

2. Contents Pulley Wedge Lever Inclined Plane Wheel and Axle Gears Screw

3. Pulley If there is ten wheels in a pulley it makes you ten times stronger There are lots of types of Pulleys A pulley helps a person lift things up such as cars.

4. Wedge A Wedge is a simple machine and it cuts things for you. There are lots of types of wedges, such as a shark tooth, a blade and a pin and lots more. You need to cut a lot of things such as food, wood and people(for surgery).

5. Lever There are two types of levers, the crocodile and the seesaw lever. Here are some levers a cricket bat, a crowbar, scissors, a spade, a stick, a hammer and glasses. A Crocodile lever always needs to have a fulcrum and a seesaw lever always needs a pivot.

6. Incline Plane Inclined planes are the same as ramps they help you to push things up or down such as blocks the Ancient Egyptians used for Pyramids. There are lots of types of inclined planes such as a bathtub, windows, tables and lots others. Sometimes incline planes are for doing competitions such as skateboarding stunts and motorcycling stunts.

7. Wheel & Axle The Sumerians invented the wheel & axle and used them for conquering land and trading goods. The Romans then used the wheel & axle for chariot racing. Now our Wheel & and axles have tyres on them.

8. Gears Gears always need to have cogs. On Mountain bikes there are about 8 gears. Gears always works a machine and is most of the time made out of steel.

9. Screw A screw helps you put things together but you will need a screwdriver to attach the screws. Screws are used to hold glass, wood and metal. A screw is a cylinder with inclined planes wrapped around it.

10. Bibliography Pictures are from www.google.comwww.google.com Information are from www.edheads.org/, and www.wikipedia.orgwww.edheads.org/ www.wikipedia.org