Assignment 3: Simple Machines/Mechanical Systems
Due: Thursday, March 5th
We have built a catapult, which is a mechanical system. Please complete the following:
1. Draw a diagram of your catapult. Label the catapult (ie: where is the fulcrum, load, and effort? What type of lever is it?) Remember, in Science, diagrams are precise, and drawn with a ruler and pencil. Coloured pencil may be used but NO MARKER.
2. Describe your design. How did you come up with this particular design? Use scientific terminology when explaining.
3. How did your group work together? This is your opportunity to explain the contributions of your group members.
4. After launching your catapult, how do you think you could improve the distance the load travelled, or the accuracy of your catapult?
Success Criteria
Diagram: Neat, labelled, drawn precisely
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4
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3
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2
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1
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Design Description: Design is described using scientific terminology, and in detail
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Group Work: Contributions of all members are mentioned
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Improvement: Ideas shared about improving distance and accuracy of catapult
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My Catapult
Diagram of My Catapult:
Type of Lever:___________________________________________
Position of fulcrum, load, and effort have been identified: ____
My Catapult Design:
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How My Group Worked Together:
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How I Could Improve My Catapult in Distance and Accuracy:
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