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LFS Lesson Plan

Principles: Simple Machines Lego Activity

Unit EQ: What skills are necessary to understand technology?
LEQ: What is Mechanical Advantage
Activating Strategies: Show video of Simple Machines from MSTECH, Also possible to use Bill Nye from VOD system.
Acceleration/Previewing/Vocabulary: Force, Effort, Work, Resistance, Load, Machine, Simple Machine, Compound Machine Wheel and Axle
Lever, Screw, Inclined Plane, Wedge, Pulley, Ratio
Teaching Strategies and Distributed Guided Practice/Summarizing Prompts:
  • Hand out the Simple machines exploration worksheet.
  • Demonstrate how to use the Lego Simple Machine Models
  • Run through a mock calculation of gear ratios. 10 to 30 teeth. or 3:1
  • Divide students into 4 groups and assign each group to tray or either Levers, Gears, Pulleys, or Pliers.
Summarizing Strategies: Review the answers to the questions after collection for grading.
Mechanical advantage helps us do work. It changes the force or distance we push or pull to help us do work.
Homework: