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Which blades are best?

This lesson introduces students to blade design testing. To do this, students will collect, evaluate, and present data about different blade design variables and how they performed in an energy production test. This lesson will give students a firmer grasp on how wind energy is converted into electricity, and how to extract as much energy as possible from the wind.

The Details

Image
Grades
10, 
11, 
12, 
6, 
7, 
8, 
and 9.
Time Required
1-2 class periods
Downloads
  PDFs

Next Generation Science Standards

Disciplinary Core Ideas

  • ETS1.A Defining and Delimiting an Engineering Problem
  • PS3.A Definitions of Energy
  • PS3.C

    • Cross-Cutting Concepts

  • Cause and Effect
  • Energy and Matter

    • Learning Objectives

    – Understand how wind energy is converted to electricity
    – Know the process of scientific inquiry to test blade design variables
    – Be able to collect, evaluate, and present data to determine which blade design is best
    – Understand the engineering design process method

    Materials

    – Drill
    – Craft knife or scissors
    – Electrical tape or duct tape
    – Windmill from Lesson 8 (optional)
    – Student reading passages and student worksheets

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