Earth Layers Flashcards
When the solar system formed, where is most of the material that’s not in the sun? In the:
Gas Giants
What is the scientific term of the process for when things are pulled together—becoming larger?
Accretion
What force brought together small dust and gas particles?
Static Electricity
What force brought together large particles like rocks?
Gravity
The early hot earth allowed metal to sink into the core. This gave the earth a?
Magnetic field
This protects us from deadly “stuff” that comes from where?
The sun
Name the object that smashed into the earth when it was still forming?
Theia
The pieces from the previous answer eventually formed the what?
The moon
The sci theory that the Earth’s outer layer is made out of individual floating “chunks”
Plate tectonics
Who came up with the previous theory but was not able to convince other scientists?
Alfred Wagner
Another scientist proved the above scientist correct by looking at maps- who proved it?
Marie Tharp
Where on earth did the second scientists maps to prove the first scientist correct?
Atlantic Ocean
This specific land area is now scientifically named the?
Mid Atlantic Ridge
What type of land formation would you actually see if you were to to visit the previous locations?
Ridge
The 2nd scientist matched their map to a 3rd scientists map who found WHAT in the same place?
Earthquakes
What technology from WW2 was used to create the maps these scientists were looking at?
Sonar
Scientists refer to one large single landmass of ALL the Earths land as?
Super continent
The first scientist we learned about, named this first, large, single landmass what?
Pangea
If the 2 less dense plates move towards each other they will make?
Mountains
If two of the MORE dense plates move towards each other they will create what?
Trench
What process (not object-not material-not layer) inside Earth is actually moving the plate.
Convection
The Earths corre has changed directions, the sci evidence on the ocean floor is called?
Magnetic Striping
When two plates slips next to (beside) each other it is called?
Slip fault
The scientific result of of two plates sliding next to each other is?
Earthquakes
Where in the real world is an example of the above answer happening?
(Earthquakes b/c of slipfault)
California
Two plates that are moving towards each other are called what kind of boundary?
Convergent
Two plates that are moving away from each other are called what kind of boundary?
Divergent
Denser plates with water on top of them are called what kind of plates?
Oceanic
Less dense plates with land on top of them are called what?
Continental
If the two previous plates collide such one will go under the other?
Oceanic
If one plate is being pushed above the other one, this movement is called?
Uplift
If one plate is being pushed under another plate, this movement is called?
Subduction
In the Pacific Ocean there is a large circle of plates banging into each other called the?
Ring of Fire
What else can be found in the same location as the previous answer- where the plates meet?
(Ring of Fire)
Volcanoes
One place in the world where you can actually walk and see where to plates are moving away from each other?
Iceland
The early earth was so hot it actually turned into?
Liquid magma
The fourth and outermost layer of the Earth is called the?
Atmosphere
When the solar system was forming-dust/gas was pulled into a spinning disk called?
Protoplanetary Disk
