Some dinosaurs lived in water
Dinosaur tracks can be found in a coal mine
Tracks can tell us a lot about dinosaurs
They tell us that young sauropods traveled on the backs of their parents.
They tell us that young sauropds stayed in the middle of the herd.
They tell us that young sauropds flew in the air.
The tracks were too old to be elephant tracks.
The tracks were to small to be elephant tracks.
The tracks were not tracks at all.
In the ocean.
In a forest.
In a coal mine.
They thought the sauropod was too light to walk on land.
They thought the sauropod's feet could not carry its big body.
Scientists never thought this.
It means that they traveled or hunted in packs.
It means that they traveled alone.
It means that they had a lot of young.
How far apart the footprints are
What size the footprints are
How old the footprints are
Some dinosaurs moved quickly.
All dinosaurs moved quickly.
Most dinosaurs moved faster than cars.
Fossils and the past