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author
John B. Beaver
Livros de John B. Beaver
Astronomy, Grades 6 - 12: Our Solar System and Beyond Electricity & Magnetism, Grades 5 - 8 Nota: 4 de 5 estrelas4/5Electricity and Magnetism, Grades 6 - 12: Static Electricity, Current Electricity, and Magnets Nota: 0 de 5 estrelas0 notasSimple Machines, Grades 6 - 12: Force, Motion, and Energy Nota: 0 de 5 estrelas0 notasThe Solar System, Grades 5 - 8: Connecting Students to Science Nota: 0 de 5 estrelas0 notasSimple Machines, Grades 5 - 8 Nota: 0 de 5 estrelas0 notas