Compound Machine
Copyright 1978 Sci-Ed Services
Target Grade: A (or A+)*        Bonus Points: 60
NOTICE!!Read the "General Guidelines" first! Then, read this...
» - » You must have a project design form signed by your science teacher before  you begin your project  The project design form and this form must be returned with your project.  Failure to return both forms will result in a penalty of 5%.  If you begin your project before obtaining  your science teacher's signature on the project design form, your project may be disqualified. 
» - » Check the TARGET GRADE (most likely your  maximum grade) at the top of the page.
» - » You may not  use AC electricity to power your project.  Only DC electricity of less than 5 amperes & 15 volts is permitted.
» - » You may not copy another student's design for your project (except for bridges & towers).  Yours must be significantly different.
» - » You may not do the same project twice without permission from your science teacher.
» - » In order to earn  “bonus points” and extra credit, your project must be handed in by the due date, and must earn at least 96 %.
» - » Projects handed in more than 4 days late will not be presented or tested in class.
» - » You must complete a project design form and get it signed by your teacher before you begin your project.
OBJECTIVE - The objectives of this project are to make a working model consisting of at least ONE compound machine and demonstrate the operation of each simple machine and the compound machine as a total working unit.

PROJECT GUIDELINES
 1.  Read the INDEPENDENT PROJECT GENERAL GUIDELINES first.
 2. Complete a project design form and get it signed by your science teacher.
 3. Draw neat diagrams of your machines and submit them to your science teacher for approval;
 4. Construct your machines.
When constructing your machines keep in mind that:
-YOU MAY NOT USE A KIT.
- you must be able to explain the possible uses for the machines;
- each simple machine in each compound machine must be a minimum of 15 cm in one dimension.
 5. Write a short report on the machine describing how it works and how the mechanical advantage is calculated.
 6. Demonstrate your machine to a class explaining how it works. (Video tape demos are permissible.)
 7. See the Grading Criteria for how you can earn an A+.*

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