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.
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Principles: Simple Machines Lego Activity
Lever, Screw, Inclined Plane, Wedge, Pulley, Ratio
Mechanical advantage helps us do work. It changes the force or distance we push or pull to help us do work.