2. ©Adam Crowley 2007 http://www.fi.edu/qa97/spotlight3/spotlight3.html

3. ©Adam Crowley 2007 A pulley uses grooved wheels and a rope to raise, lower, or move a load.

4. ©Adam Crowley 2007 Flag Pole Mini Blinds Crane

5. ©Adam Crowley 2007

6. A straight rod or board Turns on a point known as a fulcrum.

7. ©Adam Crowley 2007 Door Hinge See-Saw Wheel Barrow Pull Tabs

8. ©Adam Crowley 2007

9. A wedge is an object with at least one slanting side It is an inclined plane that moves It ends in a sharp edge Cuts or splits material apart

10. ©Adam Crowley 2007 Knife Scissors Axe

11. ©Adam Crowley 2007

12. An inclined plane is a slanting surface Inclined means slanted – like a ramp It connects a lower level to a higher level

13. ©Adam Crowley 2007 Ramps Stairs

14. ©Adam Crowley 2007

15. A wheel with a rod – called an axle Lifts or moves loads Some “wheels” of a wheel and axle don’t look like wheels Doorknob or faucet handle

16. ©Adam Crowley 2007 Dump Trucks Door Knob Wagon Faucet

17. ©Adam Crowley 2007

18. An inclined plane wrapped around a shaft or cylinder.

19. ©Adam Crowley 2007 Bolts and Screws Spiral Staircase

20. ©Adam Crowley 2007

21. 1.An axe is an example of a: a. Pulleyb. Wedgec. Wheel and Axle 2.You would use a pulley to: a.Cut food b. Hold pieces of wood togetherc. Help raise a flag 3.What is the name of a simple machine with a slanting surface? 4.The fixed point around which a lever turns is called a: a. screwb. fulcrumc. door knob 5.A pull tab on a soda can is an example of a: a. inclined planeb. screwc. lever

22. ©Adam Crowley 2007 Edheads:http - www.edheads.org/activities/simple-machines/ Unitedstreaming - http://www.unitedstreaming.com Findsounds - http://findsounds.com/ CA Dept. of Education: http://www.cde.ca.gov/be/st/ss/scgrade3.asp Mikids - http://www.mikids.com/Smachines.htm Inventor’s Toolbox - http://www.mos.org/sln/Leonardo/InventorsToolbox.html The Franklin Institute - http://www.fi.edu/qa97/spotlight3/spotlight3.html Gettyimages - http://creative.gettyimages.com/source/classes/FrameSet.aspx?&UQR= sbmupa&pk=4&source=front&lightboxView=1&txtSearch=gears&selIma geType=7&chkLicensed=on&chkRoyaltyFree=on&chkNLM=on