Inhaltsangabe
Science World introduces the first principles of science. Clear text, related photographs and simple diagrams explain many of the mysteries of the world around us. The series also emphasises how our understanding of science is used to improve our daily lives. Light & Lasers. Topics covered in this book include light and darkness, how light travels, shadows, eclipses, reflection, refraction, how we see, lenses, lasers and their uses, and maximising light. Sound & Music. Sound gives us information about the world around us. People and animals communicate using sound. This book describes how sounds are made, how you hear them, how musical sounds vary, and how we can even feel sounds.
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