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The Science of Sound Waves
heftet,
2017,
Engelsk,
ISBN 9780778729662
This engaging book describes the properties of sound waves, how they move, and the way our ears catch them. Readers will learn how sound waves travel through different mediums and …
The Science of Light Waves
heftet,
2017,
Engelsk,
ISBN 9780778729686
This engaging book describes the properties of light waves, how they move, and the way our eyes receive them. Readers will learn that we see an object when light reflects from its …