Biology, 03.07.2019 02:30 amyrose90999
Sam did an experiment with ball bearings in a bottle to show the movement of particles in solids, liquids, and gases. the experimental set-up is shown below: *pic* what should sam do to represent the movement of particles in liquids? leave all ball bearings in the bottle, and then shake the bottle slowly while the ball bearings remain in their spot. leave a few ball bearings in the bottle, and then shake the bottle vigorously so that the ball bearings hit one another and the sides of the bottle. remove half of the ball bearings, and then shake the bottle vigorously so the ones at the top hit one another. remove half of the ball bearings, and swirl the bottle so that the ball bearings remain in contact but can move around.
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