Emma Carlson Berne
Loud!

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Bìa của Emma Carlson Berne: Loud! (PDF)

The rumble of thunder is a sign of a storm, and by listening we can estimate how far away that storm is. Readers explore the principles of sound energy, including qualities of sound, sound waves, and the speed of sound. Readers will also learn how our ears hear sounds, and why some sounds are out of the range of human hearing. Sidebars explain sonic booms and measures of sound, while photographs depict sources of sound energy in our world.

€33.19

Ngôn ngữ Anh ● định dạng PDF ● Trang 24 ● ISBN 9781448898879 ● Nhà xuất bản The Rosen Publishing Group, Inc ● Được phát hành 2013 ● Có thể tải xuống 3 lần ● Tiền tệ EUR ● TÔI 8668577 ● Sao chép bảo vệ Adobe DRM

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Emma Carlson Berne

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