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Beskrivelse
From levers to pulleys, simple machines make our lives easier.
Rookie Read-About Physical Science series introduces the youngest readers to physical science concepts. Each book features critical-thinking questions throughout the text; a simple, hands-on experiment; a glossary and more. This series is aligned to the Next Generation Science Standards. They help roll, lift, cut, tip, and turn everyday objects. In Simple Machines readers will dig into the science behind how we use simple machines to get the job done.
