ERAS
FOSSILS
DATING
ANCIENT LIFE
DINOSAURS
100
the youngest and most recent era
What the Cenozoic
100
hard parts turned to stone
What is petrification?
100
this type of dating tells us younger or older
What is relative dating
100
extinct sea creature that lived before the dinosaurs
What is a trilobite
100
these animals became extinct 65 million years ago
what are dinosaurs?
200
oldest and longest era
What is precambrian
200
these fossils tell us weight, height, kind and how many legs the creature had
What is footprints or trace fossils
200
this type of dating tells us the exact age
What is absolute dating
200
ambulocetus
What is a walking whale
200
this event is thought to have contributed to the extinction of dinosaurs
What is a meteor crashing into earth
300
the era of dinosaurs
What the Mesozoic Era
300
amber
What is ancient tree sap
300
the radioactive element dates fossils
What is carbon 14
300

Who is younger - humans or dinosaurs

Who are humans?

300
the super continent that started to break up when dinosaurs roamed
What is Pangaea
400
the Age of firsts
What is the Paleozoic Era
400

This ancient life was preserved in ice

What is a wooly mammoth

400
this law tells us that the oldest is at the bottom of the rock layers
What is the law of superposition
400
the time when many animals grew thick coats of hair to survive
What is the Ice Age
400

where do we find dinosaur fossils

What is every continent

500

the age of mammals

What is the cenozoic era

500

This preserved the saber tooth cat

What is tar

500
this term describes the amount of time it takes for one half of a radioactive element to decay.
What is a half-life?
500
found in the Gobi Desert of China petrified
What are dinosaur eggs
500
good mother lizard
What is Maiasaurus
M
e
n
u