Realm 7 · Fossil Cliffs · Chapters 23–24

🦴 Ancient Layers

The rocks under your feet are a history book 4.6 billion years long. Dig up fossils, crack the code of time, and meet Idaho's ancient horses and dinosaurs.

The rocks under your feet are a history book billions of years long. Time to learn how to read it.

Chapters

Fossils and Geologic Time

🦴 Ancient Layers

Earth's History

🦴 Ancient Layers

⚔ Realm 7 Test: Ancient Layers

Clear the realm

Finish every task to earn the Fossil Badge and move up one mining rank.

Read Chapter 23: Fossils and Geologic Time25XP
Pass the Chapter 23 quiz (80%+)auto25XP
Think Like a Scientist: Chapter 2325XP
Read Chapter 24: Earth's History25XP
Pass the Chapter 24 quiz (80%+)auto25XP
Think Like a Scientist: Chapter 2425XP
Realm 7 Test: Ancient Layers (70%+)auto25XP