Coral Reefs

By Amelia Keogh

Introduction

Coral reefs grow to be huge. Read to find out the process of a coral reef growing.

Coral reefs are old

Coral reefs were alive way before humans. Some are almost 400 million years old.

The Great Barrier Reef

The Great Barrier Reef is the largest reef that ever existed. It is 1,250 miles long. It is in Austrailia.

Growing

Every coral reef grows five inches every year. Imagine how old the Great Barrier Reef is.

Closing

Coral reefs are really old. The Great Barrier Reef is over 15 million years old.