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Worksheet
Curated OER

Max/Min Problems for Review

For Students 11th - 12th
For this Algebra II/Pre-Calculus worksheet, students determine the points of inflections for various functions and use the answers to complete a riddle.  The one page worksheet contains seven problems.  Answers are included. 
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Lesson Plan
Curated OER

Harnessing the Wind for Electricity

For Teachers 9th
Ninth graders explain how wind can produce electricity. In this geometry lesson plan, 9th graders construct their own pin wheel turbine and calculate its power. They discuss the pros and cons of using wind generator.