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Light and optics  
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Students will use the law of reflection to reflect a laser beam off multiple mirrors to hit a sticker in a shoebox. Since X-ray telescopes must use grazing angles to collect X-rays, students will design layouts with the largest possible angles of... (View More)

This is a lesson about infrared radiation. Learners will investigate invisible forms of light as they conduct William Herschel’s experiment and subsequent discovery of infrared radiation. They will construct a device to measure the presence of... (View More)