Canadian dinosaurs · Drawing 27 of 32
How Does a Fossil Form?
Canada · A very long journey

Sand or mud can cover a bone. Over a very long time, sediments become rock and minerals can help preserve the bone.
Did you know?
Most animal remains never become fossils.
Look together
Can you follow the layers of rock?
An idea to try
Draw three coloured bands like layers of sediment.
For the adult reading along
A little more to discover
Fossils form in several ways. Burial sometimes protects remains, while mineral-rich water can fill spaces in a bone. An impression may also survive without preserving the animal itself. This drawing brings together clues to explain the idea; it is not a measured geological section.
Look together: Can you follow the layers of rock? Draw three coloured bands like layers of sediment.
Sources and illustration notes (1)
An imagined diagram of layers and fossils, without a scale or a specific geological sequence.
These links lead to other websites. Explore them with an adult. Source titles appear in their original language; some linked pages are in French.
- Royal Tyrrell Museum: Fossil Planet Activity GuideSee the scene’s factual text and editorial source notes.
Source review: 2026-10-02. Illustrations are simplified for colouring.
