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Unit WS: Mechanical Waves and Sound

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Extension A: How Do Waves Move?

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Extension B: An Analogy for Refraction [Wave Refraction]

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Extension C: Reflection of 2D Waves

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Extension D: Seismic Waves

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Map Circles

Unit L: Light and Color

Extensions Links
Extension A: Drawing Light Ray Diagrams for Pinholes and Shadows

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Extension B: Further Investigations of Mirror Reflections and Images [More on Mirror Reflections and Images]

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