Loud or Soft? High or Low?
Jennifer Boothroyd
- 01 januari 2017
- 9781512446876
Samenvatting:
Fireworks crackle and boom in the sky. Your friend laughs at a joke. Sounds are all around you. But what exactly is sound? And how does sound reach your ears? Read this book to find out!
€ 6,99
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