Eons, Era, Epochs Oh My
The Sid Shuffle
Ice Ice Baby
What Time Is It?
The Cold Never Bothered Me Anyways
100
The Geologic Time Scale is a record of ...
the known history of the earth based on rocks and fossils
100
How old is the earth?
4.6 billion years old
100
The name of the "Super Continent" formed during the Paleozoic era was...
Pangea
100
What is the correct order of divisions on the geological time scale?
eon, era, period, epoch
100
The extinction of the dinosaurs...
allowed smaller mammals to populate and eventually dominate the earth
200
Saying your grandpa is older than you is an example of
Relative Dating
200
Which fossil would be considered an index fossil?
A
200
Which layer of rock is newest? 
A
200
Which fossil is older than the fish fossil? 
D
200
Which era are we currently living in?
Cenozoic
300
Dinosaurs, small mammals, birds, conifers and flowering plants were found in this era
Mesozoic
300
What is the correct order from oldest to youngest? 
A,B,C
300
In which era was the earth, moon, rocks, and oxygen formed?
Precambrian
300
Typically the oldest fossils are the deepest underground unless a disturbance has occurred.
True
300
Index fossils were helpful with identifying geological periods because...
They were very abundant and lived a short time.
they were easy to recognize and could be found in many different areas
400
The end of life for large groups of organisms, or many species, is called ...
a mass extinction
400
The preserved remains of plants and animals from the remote past are called
fossils
400
List the 4 eras, beginning with the oldest one.
Precambrian, Paleozoic, Mesozoic, Cenozoic
400
What do scientist believe was the first living organism?
bacteria
400
Which of these is the MOST exact way of finding the exact age of rocks and fossils?
absolute dating
500
Law of Superposition states that....
the oldest layers are found on the bottom and the youngest on top
500
The boundaries between _______ seem to coincide with major changes in the life forms present on Earth.
eras
500
Fossils are most common in which rock types?
sedimentary
500
What was significant about the "Cambrian Explosion?"
After years of relatively little activity, life seemed to develop quickly
500
Which of the eras covers the longest time period?
Precambrian
600
Which era ended with the largest mass extinction known as the Great Dying?
Paleozoic
600
Dinosaurs went extinct about ________.
65 million years ago
600
There have been 5 major mass extinctions in our Earth's history.
True
600
Scientists who work together to uncover and analyze fossils and study the Earth's surface are called ______ and _______.
geologists and paleontologists
600
What hypothesis can be formed when a fossil is found in older strata, but no longer evident in newer layers of strata?
the species went extinct