In this comic book-style book, two forces are sure they are the most important forces on Earth: gravity and weight. But friction, air resistance, and magnetism have something to say about that In this volume, each force is a silly illustrated character ready to argue why they matter most on our planet. Could life exist without gravity? Why do we need friction The main content supports essential science curricula topics as well as knowledge building, a key component of the science of reading.
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