Show:
Plates
Rock Cycle
Weathering
Earths Crust
Pangaea
100
The Lithosphere that is broken into pieces around the world.
What are plates?
100
Rocks that have been broken apart into tiny pieces.
What are sediments?
100
When the rocks are broken apart by physical processes.
What is mechanical weatheing?
100
A raised part of the sea floor.
What is an ocean ridge?
100
When continents were together in one land mass
What is Pangaea?
200
Igneous and Sedimentary rocks are parent rocks
What are some parent rocks?
200
When rocks are changed by chemicals.
What is chemical weathering?
200
A spot in the world that shakes from the plates moving around.
What is an earthquake?
200
German meteorologist, Alfred Wegener.
Who is the scientist that named Pangaea?
300
The animals loosen and push the sediments to the surface.
How do animals help with mechanical weathering?
300
A deep slope in the seabed between a continental shelf and the sea floor.
What is an continental slope?
300
When the continents change postion very slowly, moving a few centimeters every year.
What is a continental drift?
400
Rust on a car, discoloured paint, stained statues, limestone being dissolved, caves being made.
What are signs of chemical weathering?
400
A flat area of the sea floor.
What is an abyssal plain?
400
Around 200 million year ago, the worlds continents where created.
When did Pangaea break apart?
500
Limestone dissolves with acidic water.
What rock dissolves when acidic water touches it?
500
An opening in the earths crust, where molten materials from earth's mantle can escape
What is a rift?
500
Is the reptile that lived on South America and Africa when the continents were connected.
What is the reptile Mesosaurus.