Simple Machine Projects
Product Number: EL13420
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Grades 2-4. A hands-on approach introduces young scientists to simple machines: levers, pulleys, inclined planes, wedges, screws, springs, and wheels and axles. Scientific theory and fun, practical projects teach the physics and the technology behind each simple machine. Explain important science curriculum through historical and contemporary examples. Step-by-step projects range from simple to challenging. Six books, 32 pages each.