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Ch. 13 Lesson 4 What are simple machines?
 
machine <ul><li>device that changes the direction or the amount of force needed to do work </li></ul>
6 kinds of
inclined plane <ul><li>slanting surface that connects a lower level to a higher level </li></ul>
inclined plane
 
screw <ul><li>inclined plane wrapped around a center post </li></ul>
screw
 
wedge
 
 
lever <ul><li>stiff bar that rests on a fulcrum </li></ul>
lever
lever
wheel and axle <ul><li>ex: doorknob </li></ul><ul><li>wheel =knob </li></ul><ul><li>axle =post that attaches to its center...
wheel and axle
 
 
pulley <ul><li>changes the direction of motion to which a force is applied </li></ul>
pulley
complex machine-  made of more than 1 simple machine
complex machine
Edheads -Simple Machines
Simple Machines Game <ul><li>Simple Machines game </li></ul><ul><li>http://staff.harrisonburg.k12.va.us/%7Emwampole/1-reso...
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5th grade Ch. 13 Lesson 4 what are simple machines

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Transcript of "5th grade Ch. 13 Lesson 4 what are simple machines"

  1. 1. Ch. 13 Lesson 4 What are simple machines?
  2. 3. machine <ul><li>device that changes the direction or the amount of force needed to do work </li></ul>
  3. 4. 6 kinds of
  4. 5. inclined plane <ul><li>slanting surface that connects a lower level to a higher level </li></ul>
  5. 6. inclined plane
  6. 8. screw <ul><li>inclined plane wrapped around a center post </li></ul>
  7. 9. screw
  8. 11. wedge
  9. 14. lever <ul><li>stiff bar that rests on a fulcrum </li></ul>
  10. 15. lever
  11. 16. lever
  12. 17. wheel and axle <ul><li>ex: doorknob </li></ul><ul><li>wheel =knob </li></ul><ul><li>axle =post that attaches to its center </li></ul>
  13. 18. wheel and axle
  14. 21. pulley <ul><li>changes the direction of motion to which a force is applied </li></ul>
  15. 22. pulley
  16. 23. complex machine- made of more than 1 simple machine
  17. 24. complex machine
  18. 25. Edheads -Simple Machines
  19. 26. Simple Machines Game <ul><li>Simple Machines game </li></ul><ul><li>http://staff.harrisonburg.k12.va.us/%7Emwampole/1-resources/simple-machines/index.html </li></ul><ul><li>http://sunshine.chpc.utah.edu/javalabs/java12/machine/index.htm </li></ul><ul><li>http://www.galaxy.net/~k12/machines/index.shtml </li></ul><ul><li>http://www.quia.com/pages/hostetterscience.html#simple </li></ul><ul><li>How can we move our principal game </li></ul>
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