What If Dinosaurs Never Went Extinct?

Words to Know

**Extinct**

A kind of living thing that has disappeared forever

"Most dinosaurs are extinct now."

**Fossil**

Bones or footprints from long ago, turned to rock

"This fossil shows us what the dinosaur looked like."

**Fossil hunter**

A scientist who digs up and studies fossils

"A fossil hunter found a new dinosaur bone."

**Asteroid**

A giant space rock

"An asteroid hit Earth millions of years ago."

**Descendant**

A living relative that comes after, generations later

"Birds are the descendants of small feathered dinosaurs."

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