CONCLUSION
Congratulations! You have made Mars into a livable planet! You should have a good understanding of the 6 simple machines. You now know how important they are in everyday life. Enjoy exploring your new home!
In conclusion, think about :
1. How your life might be different if simple machines had never been invented?
2. What new machines you could invent to make your life easier?
3. What simple machines can be combined to make a compound machine ( 2 or more simple machines put together)?
Click on the following links to learn more about simple and compound machines.
Leonardo/InventorsToolbox
atlantis science lessons
Leonardo
schools at utah gov
http://library.thinkquest.org/CR0210120/Compound%20machine.html
You can research simple machines in the book "Science Chapters: Lever, Screw, and Inclined Plane: The Power of Simple Machines" by Gare Thompson