Paleontology

ERAS

100

the youngest and most recent era

What the Cenozoic

200

oldest and longest era

What is precambrian

300

the era of dinosaurs

What the Mesozoic Era

400

the Age of firsts

What is the Paleozoic Era

500

the age of mammals

What is the cenozoic era

FOSSILS

100

hard parts turned to stone

What is petrification?

200

these fossils tell us weight, height, kind and how many legs the creature had

What is footprints or trace fossils

300

amber

What is ancient tree sap

400

This ancient life was preserved in ice

What is a wooly mammoth

500

This preserved the saber tooth cat

What is tar

DATING

100

this type of dating tells us younger or older

What is relative dating

200

this type of dating tells us the exact age

What is absolute dating

300

the radioactive element dates fossils

What is carbon 14

400

this law tells us that the oldest is at the bottom of the rock layers

What is the law of superposition

500

this term describes the amount of time it takes for one half of a radioactive element to decay.

What is a half-life?

ANCIENT LIFE

100

extinct sea creature that lived before the dinosaurs

What is a trilobite

200

ambulocetus

What is a walking whale

300

Who is younger - humans or dinosaurs

Who are humans?

400

the time when many animals grew thick coats of hair to survive

What is the Ice Age

500

found in the Gobi Desert of China petrified

What are dinosaur eggs

DINOSAURS

100

these animals became extinct 65 million years ago

what are dinosaurs?

200

this event is thought to have contributed to the extinction of dinosaurs

What is a meteor crashing into earth

300

the super continent that started to break up when dinosaurs roamed

What is Pangaea

400

where do we find dinosaur fossils

What is every continent

500

good mother lizard

What is Maiasaurus