Simple Machines: Forces in Action
Simple Machines: Forces in Action
How did the Ancient Egyptians build the pyramids? What is an Archimedes' screw? Which wedge do you use every time you eat? Do It Yourself offers an exciting new approach to understanding and investigation. Each book helps you conduct your own experiments and activities to learn more about the world around you.
61.94Lei
61.94Lei
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How did the Ancient Egyptians build the pyramids? What is an Archimedes' screw? Which wedge do you use every time you eat? Do It Yourself offers an exciting new approach to understanding and investigation. Each book helps you conduct your own experiments and activities to learn more about the world around you.
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