Geological History
Layers of the Earth
Rock Cycle
Plate Tectonics'
Plate Boundaries
Proof of Plate tectonics
Final Jeopardy: The Beginning
100
The earth is this many years old.
4.6 Billion
100
The largest layer of the earth
Mantle
100
Type of rock made from the cooling of magma
Igneous
100
Alfred Wegener's evidence supports the theory that this super continent existed 225 million years ago.
Pangea
100
Divergent Boundary
100
Which two continents did experts initially realize fit together like a puzzle.
South American and Africa
100
The Pre-Cambrian era makes up this percentage of the earths history
87%
200
The Appalachian mountains began forming during this era.
Paleozoic
200
This layers temperature is so hot that the pressure causes it to be solid
Inner Core
200
This type of rock that is created through extreme heat and pressure
Metamorphic
200
This theorist coined his theory "Plate Techtonics" which provided proof for continental drift, EH.
Dr. J "Tuzo" Wilson
200
This plate boundary is never associated with volcanic activity
Transform
200
This Canadian mountain range aligns with and shares similar rock types with, geological formations in Africa, Scandinavia, Greenland and the UK
Appalachians
300
The era in which humans are introduced to earth
Cenozoic
300
Layer of the earth that is exposed to atmosphere.
Crust
300
Type of rock that contains the remains of ancient life and fossil fuels.
Sedimentary
300
Which theory attempts to fit the molding of the earths landforms into a 6,000 year period rather than the actual 4.5 billion timeline.
Catastrophism
300
This process results in old crust being recycled.
Subduction
300
The series of earthquakes and volcanoes that follow the boundaries of the Pacific Plate is referred to as
The Ring of Fire
400
The first of earths geological era
Precambrian
400
This layer is made of superheated molten lava.
Outer Core
400
Obsidian, a fine grained rock produced by the rapid cooling of magma being exposed to the atmosphere, is this type of igneous rock
Extrusive
400
These two geological processes are the primary contributors to uniformitarianism
Plate tectonics and Glaciation
400
An example of folding mountains created by two continental plates colliding is
The Himalayan Mountains
400
Which dinosaur fossil was mysteriously found in both South America and Africa
Mesosaurus
500
First signs of birds, mammals and flowering plants occurred in this geological period
Mesozoic
500
The heating and cooling of liquid magma within the Mantle causes this earth altering phenomena to happen
Convection Currents
500
The Canadian Shield is primarily made of this kind of rock
Igneous .... also metamorphic but not going to take that answer :)
500
Diastrophic forces involve the movement of solid earth in these two ways
Folding and Faulting
500
The Island country of Japan is the result of the two types of plates converging
Oceanic x2
500
Glaciation 300 million years ago has left similar glacial deposits and this type of parallel scratch or groove in bedrock on five different continents
Striation