Simple Machines

Machines have been invented to help us make work easier.
Visit these websites to find out the different types of simple machines and how they have been used to help make work easier for us.

1) http://edheads.org/activities/simple-machines/
2) http://www.mos.org/sln/Leonardo/InventorsToolbox.html
3) http://www.mikids.com/Smachines.htm
4) http://library.thinkquest.org/J002079F/sub3.htm

After you have read the information in these sites, select a simple machine and write about it.

Here are the requirements.

1) Select an object.
2) Tell me what type of simple machine it is.
3) Describe how it makes work easier for us.

Write your answers down in the comments section.