Grand Canyon
Fossils
Earth
3 types of rock
Other
100
The age of the Grand Canyon.
What is 10,000,000 years old?
100
the remains or traces of organisims that has been embedded or preserved in a rock
What is a fossil?
100
The age of Earth.
What is 4.5 billion years old?
100
three types of rock
What are Sedimentary, Metamorphic, and Igneous?
100
A drop of acid will fizz if it contains
Calcium Carbonate
200
Proof of ancient sea over the Grand Canyon is proven by what time of rock?
What is Limestone in the Grand Canyon?
200
What is a fossil that has lived for a short period of time but in many places around the world
What is an index fossil?
200
Age of Humans
What is 200,000 years old?
200
examples of rocks that fizz
What are Marble and Limestone.
200
Earths constuctive and destructive forces.
What is weathering, erosion, transport, deposition?
300
The colorado plateau carved through this river
What is the colorade river?
300
Index Fossils provide important evidence about prehistoric enviornments and they tell how old they are.
What makes a good index fossil?
300
Percent of Water.
What is 70% in the Earth?
300
Examples of three types of rock.
What is marble, granite, and limestone?
300
Limestone is white because....
Why does Limestone contains shells which contains calcium carbonate?
400
Correlation is to find a relationship or connection between rock layers from 2 or more locations and it tells us about the prehistoric enviornment and the age of rock layers from place to place
What is correlation and what does it tell us about the Grand Canyon?
400
A good index fossil
What is a fossil that has lived for a short period of time but in many places around the world.
400
Snow Ball Earth.
What is the time where the Earth froze up like a snow globe?
400
kind of rock forms from cooling magma
What is metamorphic?
400
Over 90% of the species were killed in the
What is the Great Extinction?
500
The Grand Canyon only formed 10 million years ago but its rocks reveal events that happened as many as 1.7 billion years ago. The colorado river has eroded through many layers of ancient rock, and they provide clues about what the area was like when they formed.
Why is the Grand Canyon important to geologists?
500
a trilobite that has lived all over the world for a million year
What is a good index fossil?
500
The layers of Earth.
What is the crust, mantle, inner and outer core?
500
many rock features depend on
How are the rocks formed?
500
What happens when hard and soft rock come together?
What is Differential Erosion?