Why are pans and plates smooth? Why do tires have treads? What is friction? Read `Smooth and Rough' to find out! Learn what materials are naturally smooth, why some smooth surfaces are slippery, and how friction affects speed. Each book in the `My World of Science' series explains science that you see in the world around you and use every day.
BOOK OF THE WEEK - Young readers will love this gorgeous picture book about a chilled capybara who just won't be rushed.
Can you solve the puzzles to save the Kingdom? Put your puzzle skills to the test with mazes, word games and codes to crack!
The second book in this popular series celebrating friendship, magic and fighting for what you believe in.
This is Book 20 in the Young Explorer: My World of Science Series. See all Young Explorer: My World of Science books here.
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Angela Royston has written many books for young people, including books about people at work, animals, health and the environment.
More about Angela Royston