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Book 31, Question 62 · Video

What is an egg tooth, and how does a chick use it?

Video · 1:46 · Crafty Clover explains, from A Million Whys Book 31

An egg tooth is a tiny, hard bump on the tip of a chick’s beak. The chick uses it like a little chisel to tap on the inside of the shell. Tap after tap, the shell cracks and the chick pushes its way out. A few days after hatching, the egg tooth falls off or wears away because the chick doesn’t need it anymore.

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What Crafty Clover says in this video

Intro

Hi there, curious minds! I'm Crafty Clover! Let's discover something amazing. What is an egg tooth, and how does a chick use it?

The Big Idea

A chick has a special tool for hatching. It's on the tip of its beak! What is an egg tooth?

A Tiny Bump

Step one: A Tiny Bump. An egg tooth is a tiny, hard bump on the tip of a chick's beak. Even though it's called a tooth, it is not a real tooth.

Tap, Tap, Tap

Step two: Tap, Tap, Tap. The chick uses it like a little chisel to tap on the inside of the shell. Tap after tap, the shell cracks and the chick pushes its way out.

Gone Soon

Step three: Gone Soon. A few days after hatching, the egg tooth falls off or wears away. The chick doesn't need it anymore.

A Closer Look

Let's take a closer look! Where it is. How it works. Cracked open. A few days later.

Quick Facts

Quick facts! It's not a real tooth, even though it has the name. Some baby reptiles have an egg tooth too. It works like a chisel. It falls off within days.

Think Like a Scientist

Now, think like a scientist! Draw a chick with an egg tooth on its beak. Add an arrow pointing to the egg tooth. Write one sentence about what it does. Draw cracks in the shell around the chick. Share your drawing with someone at home.

Outro

An egg tooth is a tiny, hard bump on a chick's beak, and it isn't a real tooth. The chick taps with it like a chisel until the shell cracks, and a few days after hatching it falls off. Science is amazing! Keep wondering and keep exploring! Share what you learned with someone at home, and see what they think! Crafty Clover can be found on Amazon Books, Google Bookstore, and Apple Books. Available for purchase or download! Bye for now!

Why I wrote this