发表于2024-11-27
Air 2024 pdf epub mobi 电子书
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Six entertaining new books have been added to Science Alive Children will get a thrill out of participating in simple, fun experiments that help show how different scientific principles work. They will also be inspired by history boxes that offer short biographies of scientists and inventors. All you need is the air that you breathe...and a few simple household materials This book examines the properties of air using simple experiments to help demonstrate air pressure and expansion, how flight is achieved, and how to estimate the amount of oxygen in air.
Air 2024 pdf epub mobi 电子书