Fossil in Rock
A fossil is a trace or remain of a living thing kept in rock. It can stay there for a very long time after the living thing has died.
This picture is part of the full library
Every lesson is open to everyone for 7 days after it is published. This one came out on September 21, 2026: its text stays readable here, and its picture opens with a subscription.
The app is free. A subscription opens every lesson, in every school year.
Examples
- A shell shape pressed into stone
- A leaf mark in a flat rock
Key takeaways
- Fossils are old remains or traces kept in rock.
- Fossils can show what living things looked like long ago.
Carry on in the app
At least one new illustrated lesson every weekday for your child’s year, with its quiz and a reminder at 6:15 pm.
Get the app
Free app, optional subscription
App Store Google Play