5 Phenomenal Ideas to Teach Light: Reflection and Refraction in 5th Grade — The Science Penguin
Introducing Independent, Dependent, and Controlled Variables 1. Start off by preparing three pieces of paper with the same ratio of height and width. (This paper is all from the same pack and has the same weight, but I recommend using the same color paper to help make your point.) 2. Fold the papers into the same design for all three. 3. Use the same force to throw the airplanes. Measure how far each one flies. (5.2A)
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