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Instructions and materials for these 7th grade science and engineering projects are available on our website: 1. Magnetic Accelerator: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Phys_p081/physics/gauss-rifle?ytid=NvJeJtg0h6g&ytsrc=description 2. Bath Bombs: https://www.sciencebuddies.org/science-fair-projects/project ...
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