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| Demonstrations (Educational) | 1 |
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| Dopp, Sandra | 1 |
| Hesser, Kathi | 1 |
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Direct linkHesser, Kathi; Buck, Gayle; Dopp, Sandra – Science Scope, 2005
In the activity described in this article, students will explore how variables in a first-class lever, specifically arm length, position of the fulcrum, and placement of the load, affect the effort needed to lift the load. To begin the lesson, demonstrate to the class how a first-class lever works and review what is meant by the terms fulcrum,…
Descriptors: Demonstrations (Educational), Science Instruction, Spectroscopy, Inquiry
