 |
 |
 |
 |
 |
 |
Simple machines make work easier for us by allowing us to push or pull over increased distances.
There are SIX simple machines:
|
Type |
Example |
Activity |
|
1. Pulley
- How Stuff Works
A pulley is a simple machine that uses grooved wheels and a rope to raise, lower or move a load. |
|
|
|
2. Lever - Enchanted Learning animations
A lever is a stiff bar that rests on a support called a fulcrum which lifts or moves loads.
|
|
|
|
3.
Wedge - pictures using LEGO bricks
A wedge is an object with at least one slanting side ending in a sharp edge, which cuts material apart. |
|
|
|
4. Wheel
& Axle - Activity using pencils and thread spools
A wheel with a rod, called an axle, through its center lifts or moves loads. |
|
|
|
5. Inclined
Plane - pictures using LEGO bricks
An inclined plane is a slanting surface connecting a lower level to a higher level. |
|
|
|
6. Screw - Activity using pencil and paper in a new way
A screw is an inclined plane
wrapped around a pole which holds things together or lifts materials. |
|
Edhead's Interactive Online Activities
Simple Machines, Work, Force & Energy by Jerry Johnson
Simple Machine Quiz - online and interactive MIKIDS
Home | © 1997-2008 Carolyn Gundrum, teacher-author
