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Tops Pendulums
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20 lessons for grades 4-9--Task cards in this book run on little more than thread, paper clips, pennies and masking tape. Now you can teach science on less than a shoestring, and your students will love it. They''ll time pendulums, count cycles, measure lengths, graph data, predict frequency, calculate ratios and even discover the square root of two. Couple pendulums with a rubber band and watch the energy flow between them. Join four pendulums with a raft of heavy books and watch the complex harmonic motion draw a seashell pattern. It''s science, math and art!
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