Table of Contents Module 4 MODULE 4: SIMPLE MACHINES
Why do boats have all these ropes and pulleys? Learn Sailing Right! Beginner Chapters 2, 8 & 10, Intermediate Chapters 8 & 11
Subject Areas Physical Science, Math
Summary
Students identify and explore the six simple machines. They will identify compound, fixed, and moveable pulleys on the sailboat and test the benefits of 1:1 vs. 4:1 purchase systems.
Duration Lesson Time: Part I: Part II: Part III: Part IV:
Skills
Gathering Information, Making Predictions, Applying Sailing Skills
Rigging your Boat, Boat Part Terminology, Adjusting the Rig for Various Conditions Vocabulary
Block, halyard, pulley, Compound Pulley, Fixed Pulley, Fulcrum, Movable Pulley, Simple Machines, Inclined Plane, Screw, Wedge, Wheel and Axle, Lever, Force, Work, Load, Purchase, Mechanical Advantage
Standards
See Standards Correlation Charts related to the National Standards. Common Core Standards relate to mathematics and the K-12 Framework for Science Education relate to Science.
Objectives Students will: u Describe the six simple machines and their application to the sport of sailing. u Identify the difference between fixed and movable pulleys. u Create compound pulleys u Apply the mechanical advantage of a pulley when raising and or trimming sail.
10 minutes 30 minutes 30 minutes 60 minutes
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