Fossils
Grand Canyon
Earth
Rocks
Random!
100
A fossil is the remains or traces of an animal or plant that once lived and now is perserved in a rock.
What is a fossil?
100
Colorado Plateau.
What is the plateau in the Grand Canyon.
100
Water was formed on Earth.
about 4.3 thousand years ago.
100
Metamorphic, Igneous, and Sedimentary.
What are the three types of rocks.
100
_______________ ______________ mountain building volcanoes volcanoes weathering
What is constructive and destructive processes.
200
An Index fossil is the remains or traces of an organism that lives for only a short period of time but lives in many places around the world.
What is an Index fossil?
200
10 million yrs. ago.
When was the Grand Canyon formed?
200
What happend about 4.5 billion yrs. ago.
Earth was formed.
200
It can/will make a rick fizz if it contains ___________. ex. if you put a drop of acid on limestone, and it fizzes then it contains ___________.
Calcium Carbonate (Calicite).
200
When weak and strong rock are in a mountain or plateau, the weak rock make slopes and strong rocks make cliffs.
What is differential erosion.
300
To compare the ages of rock layers at different locations.
Why is an Index fossil important to geologists?
300
1.7 billion years ago.
When the rock layers in the Grand Canyon formed?
300
about 200 thousand yrs. ago.
When did humans first appear on Earth?
300
How they form
What is the difference between the three types of rocks?
300
Cooling rate slow=big crystals fast=small crystals.
Igneous rock crystal size is determid by.
400
In a rock
What is the inprint in for a fossil.
400
Colorado, Utah, Arizona and New Mexico.
The states that are in the Colorado Plateau.
400
How did Earth form?
By Meteorites.
400
Marble
What is a rock that is Metamorphic.
400
Sedimation, depition, depositing
What is the Eath processes observed in the stream table?
500
Jellyfish, trilobites, insects, reptiles, dinosaurs, mammals, flowering plants, bees, grass.
What is the list in Earths history.
500
What president visited the Grand Canyon in 1903?
President Theodore Roosevelt.
500
The Inner Core.
Has the most heat and pressure.
500
Sandstone.
What rock erodes the easely.
500
Because it is made from calcium.
Why is limestone white?
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