β All time stops
The Triassic Period
250 million years ago β dinosaurs appear
Hop into your time machine and travel back 250 million years to meet Earth's very first dinosaurs!
1/5
- 250 million years ago
One giant supercontinent
All of Earth's land was smashed together into one giant supercontinent named Pangea. It was hot, dry, and full of big deserts.
The big idea
The Triassic Period was a warm time when amazing ancient creatures and early dinosaurs first walked the Earth.
Fun facts
- β¨ The very first dinosaurs were quite small, and some were no bigger than a house cat!
- β¨ There were no flowers or grass back then, only ferns, moss, and pine trees.
- β¨ Our tiny mammal ancestors first appeared during this time, but they mostly hid at night.
Science words
- Pangea β A huge supercontinent made of all Earth's land joined together long ago.
- Reptile β A scaly animal that breathes air, like a lizard, turtle, or dinosaur.
- Fossil β A plant or animal bone that turned into stone after millions of years.