Earth science fair projects : using rocks, minerals, magnets, mud, and more (Earth science! best science projects)
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Series: Earth science! best science projects
Earth science fair projects: using rocks, minerals, magnets, mud, and more
Environmental science fair projects using water, feathers, sunlight, balloons, and more
Planet Earth science fair projects: using the moon, stars, beach balls, frisbees, and other far-out stuff
Weather science fair projects: using sunlight, rainbows, ice cubes, and more