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Book 6, Question 102

Why Is a Keel on the Bottom of a Boat?

A keel is a fin or a heavy spine under a boat. It keeps a sailboat from sliding sideways in the wind. It also helps the boat stay upright.

From the book

Illustrated page from A Million Whys Book 6 titled Why Is a Keel on the Bottom of a Boat, with Crafty Clover.

Page from A Million Whys Book 6

More fun facts

Sources: National Park Service, National Park Service, BBC

Questions kids ask

What does a keel do for a boat?

It runs along the bottom center and helps keep the boat stable.