Bill Nye- Dinosaurs

Front

What do scientists measure to determine the age of a fossil?

Back

Scientists measure the amounts of radioactive Potassium and Argon to figure out when the fossil was buried and the age of the fossil.

Front

What celestial objects are believed to have contributed to dinosaur extinction?

Back

Many scientists believe meteorites from space played a role in dinosaur extinction.

Front

Which modern animal are dinosaurs most similar to?

Back

Dinosaurs are most similar to chickens.

Front

What happens when minerals fill the gaps in bones?

Back

When minerals work their way into the little gaps in bones, they become per-mineralized, meaning minerals all the way through.

Front

How many dinosaurs do we know about out of the millions that lived?

Back

Of all the millions of dinosaurs that lived, we only know about a few thousand.

Front

What is per-mineralization in fossils?

Back

Per-mineralization is a process where minerals fill the tiny gaps in bones, turning them into fossils.

Front

What is the significance of meteorites in the context of dinosaurs?

Back

Meteorites are believed to have played a significant role in the extinction of dinosaurs.

Front

How do scientists use radioactive dating?

Back

Scientists use radioactive dating to determine the age of fossils by measuring the decay of radioactive elements.

Front

What type of animal is a dinosaur most closely related to?

Back

Dinosaurs are most closely related to birds, particularly chickens.

Front

What is the estimated number of dinosaur species known to scientists?

Back

Scientists estimate that they know about a few thousand dinosaur species.