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How can two things that are about the same size, such as a bowling ball and a teddy bear, have such different weights? How can something smaller weigh more than something larger, such as a marble and a cotton ball? This book explains how mass and weight are separate properties by clearly introducing the concepts of gravity and atoms.
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How can two things that are about the same size, such as a bowling ball and a teddy bear, have such different weights? How can something smaller weigh more than something larger, such as a marble and a cotton ball? This book explains how mass and weight are separate properties by clearly introducing the concepts of gravity and atoms.