GRAND CANYON
FUN FACTS
FOSSILS
TIMELINES
ROCK CYCLE
100
Physical and chemical process.
What is weathering?
100
ingenuous, sedimentary, and metamorphic are the ...
What are the three types of rocks?
100
Remains or trace of an organism
What is a fossil?
100
How different parts of history compare to the whole.
What does a a proportional timeline show?
100
Both ingenuous and sedimentary.
What are the rocks that form near earths surface?
200
Formed from the Colorado river eroded the surface.
What is how the grand canyon formed?
200
when magma solidifies below earths surface it forms....
How do intrusive igneous rocks form?
200
sedimentary rocks are most likely to contain.....
What type is most likely to contain fossils
200
trilobites
What was the first organism to form closest to earth?
200
Erosion is?
What is earths destructive process.
300
The area was once covered by an ocean that gradually grew deeper and then receded.
What does rock layers found in the grand canyon provide evidence for?
300
Not all minerals are rocks but.
All rocks are minerals.
300
An organism that lived for a short period of time, but in many places around the world.
What is an index fossil?
300
How different parts of earths history compares to the whole world
What does a proportional time scale show?
300
Sedimentary is formed by.
What is rocks piling up over time.
400
The Colorado river eroded....
What river eroded the Grand Canyon?
400
4.5 billion years ago was when
When was earth formd
400
They are used to compare the ages of rock layers at different locations
Why are index fossils useful to geologists?
400
About 4.5 billion years ago.
How long ago did earth form?
400
All three types of rocks.
What are the rocks that can change into each other.
500
Is the Grand Canyon still forming
what is yes
500
The rock that has fossils.
What is sedimentary?
500
Because they help geologists find out how the earths surface looked back in time.
Why are fossils important to geologists?
500
About 200,000 years ago.
How long ago did humans form?
500
The upper part is rigidly solid, and the lower part is a plastic solid that flows very slowly if.....
What would you find if you could tunnel down earths mantle?
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