Sound -- Energy -- Electromagnets -- Diffusion and Osmosis -- Density (why some things float in water) -- Physical and chemical changes -- Properties of water(why is salt spread on Icy roads) -- Properties of air(why is air considered a fluid) -- Properties of light(how to get light to flow) -- Gravity and acceleration(what did Galileo really drop) -- Newton's three laws(and his other discoveries) -- Momentum(moving objects) -- Enzymes(digesting food) -- Vitamins -- Heat and Pressure(geysers) -- Desiccants(making mummies) -- Preservatives (why does food spoil).
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