Using The Canada Science and Technology Museum website, answer these questions:
1. Why do we use machines?
2. What are the six types of simple machines?
Using the HowStuffWorks website, answer this questions:
3. What does "work" mean in science?
Using the website the WORK, answer these questions:
4. What is the formula for work?
5. You were taught that the unit for work is a Nm (Newton-meter). What else is it called?
6. What is the advantage of using a simple machine? (scroll down until you see "Machines make jobs easier by:")
Using the website for the Franklin Museum or Enchanted Learning, answer the following questions:
7. What is a lever?
8. How many classes are there for levers?
9. Where is the fulcrum located in a class one lever? List an example of a class one lever.
10. Where is the fulcrum located in a class two lever? Where is the load located in a class two lever? List some examples of a class two lever.
11. Where is the fulcrum located in a class three lever? Where is the EFFORT located in a class three lever? List some examples of a class three lever.
12. On your paper, sketch all three classes of levers. Be sure to label the effort, load and fulcrum.
Once you are done, please make sure your name is on your paper and hand it in.