Questions

1. What is the purpose of a simple machine? Spotlight on Simple Machines

2. Name and define the six different simple machines. Spotlight on Simple Machines
Why is it easier to lift an object when the load is closer to the fulcrum? Simple Machines Learning Site

3. Name three different examples of a lever.
Why is it easier to move a load when the ramp is longer? Simple Machines Made Easier

4. Name two examples of a gear.
Why does the larger gear rotate slower? Simple Machines Made Easier

5. Give three examples of an inclined plane. Simple Machines Learning Site
What are two inclined planes together called? (2 kinds) Simple Machines Made Easier

6. Give three examples of pulleys.
If you wanted to use the least amount of effort/force which pulley would you use? Simple Machines Made Easier

7. What are the three different types of pulleys? How are they different? Simple Machines Made Easier

8. Give three examples of a wheel and axle. Simple Machines Learning Site

Introduction

Did you sharpen your pencil today? Well if you did you used a simple machine. There are several kinds of simple machines. Use the Internet resources to answer the questions below and learn more about simple machines. Print the Inventor's Notebook to record your answers. Once you have explored all the resources and answered the questions take a look at the Big Question. How would you answer it?

Resources

Simple Machines Made Easier Lists different kinds of simple machines with animated pictures.
Simple Machines Learning Site Gives the different kinds of simple machines and gives student examples as well as experiments.
Spotlight on Simple Machines Describes the simple machines and gives extra data.
Inventors Toolbox Gives examples of simple machines and gives more details on gears.
Marvelous Machines This site provides experiments for students to do at home.

Simple Machines Hotlist

The Big Question:

What would the world be like without these simple machines? How would you get to school? How would you do your hair? How would you do everyday things like lifting heavy objects or washing clothes? Write a paragraph explaining the importance of simple machines in our world.

Extension:

Once you have completed the Simple Machines Treasure Hunt visit the Gadget Anatomy to see if you can figure out what simple machines are being used for this tool.