Work, Simple Machines, and Mechanical Advantage Unit Test
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- Contributer:
- Parker's Products for the Sciences
- Lesson Category:
- Assessment
- Grades:
- 7-9
- Answer Key:
- Yes
- Pages:
- 2
- Product File:
Description
I wrote this holistic full-page unit test about work, simple machines, and mechanical advantage for my middle school physical science students. The student copy of the activity includes two equations for calculating mechanical advantage in addition to the breakdown of what the symbols of the variables mean in the aforementioned equations.
Here is a breakdown of the test sections:
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Part 1 is a multiple choice section.
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In Part 2 students label the load, effort, and fulcrum of a class-1 and class-2 lever.
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In Part 3, students calculate the mechanical advantage and the force of effort.
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In Part 4, students determine whether the object is a class-1, class-2, or class-3 lever.
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In Part 5, students identify whether the simple machine example is an inclined plane, a lever, a wheel & axle, a wedge, a screw, or a pulley.
This PDF file will become editable upon conversion to Microsoft Word using an Adobe Acrobat Reader app. This resource could be modified and offered as a summative review guide or as a homework quiz upon conversion. I omitted the point valuations for each section on the student copy and allow you to determine and state your valuation.
This listing comes with a full-page colored key with answers that honor the rules of significant figures for multiplication and division.
This assessment complements the other lessons I have published about simple machines, work, and mechanical advantage:
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Simple Machines Identification / Classification Table Set 3-4
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