Lesson 2: Simple Machines - Levers
Mechanisms for Intro to STEM
Lesson 2: Simple Machines - Levers
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Mechanisms for Intro to STEM
Lesson 2: Simple Machines - Levers
Number of attempts allowed: Unlimited
Number of attempts you have made: 1
Grade for attempt 1: 0
Grading method: Highest attempt
Grade reported: 0