Show:
Rock Types/Rock Cycle
Major Events in Earths History
Fossils
Scientist
Weathering
100
this rock is composed of broken rock fragments, seashells,and chemicals such as calcium carbonate.
What is sedimentary rocks?
100
created by meteor coalitions
What is the way earth was formed
100
remains of organisms embedded or preserved in rock.
What is a fossil?
100
Who deserved that rocks take a long time to form?
What is James Hutton.
100
when ice,rain,wind,and living organisms break down rocks.
What is weathering?
200
When molten rock cools and hardens.
What is Igneous rocks?
200
this was formed 4.5 billion years ago
What is the time that earth was formed
200
Fossils of organisms that lived for only a short time,but in many places around the world.
What is index fossils
200
who deserved the iridium layer and the thery of th mass extinction of dinosaurs
What is Luis Alvarez
200
when wind or water wears away rocks.
What is erosion?
300
changes do to heat and/or pressure
What is metamorphic rock
300
the super contenent
What is pangia
300
These fossils are of organisms that lived for only a short time, but in many places around the world.
What is index fossils
300
Who created radio metric dating
What is Arthur Homes
300
when rocks are changed by a chemical reaction.
What is chemical weathering?
400
this rocks can change into sedentary rocks or molten rock.
What is metamorphic rock turn into?
400
meteorites and storms brought...
What is the way water got to the earth
400
one fossil type
What is the difference between index fossils and fossils
400
He deserved the plats.
What is Alfred Wagner?
400
when water gets between the cracks in rocks then freezes and expands breaking the rocks down.
What is ice wedging?
500
when rocks melt due to extreme heat.
What is molten rock
500
3.5 billion years ago...
What is time of earliest life
500
This rock is most likely to contain fossils.
What is sedimentary rock?
500
this scientist was famous for the theory that the earth is getting cooler.
What is William Thomson, 1st Baron Kelvin?
500
this part of a rock will undergo rusting
what is iron?