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The invention of magnifiers that allow us to see things that are otherwise invisible to us has revolutionized science. In this lesson, middle schoolers use several types of magnifiers to investigate magnification, and record their observations. The lesson and a set of slides can be downloaded. An included instructional video on magnification is 21 min. 13 sec.
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- Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)