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Earth's Systems Test 2
Earth's Systems Test 2
23
Science
9th Grade
12/03/2019

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Cards

Term
The theory of continental drift was proposed by ___________________
Definition
Alfred Wegener
Term
The theory of continental drift relates to ____________________
Definition
plate tectonics
Term
The movement of ___________________ explains some of the changes to Earth's surface over millions of years.
Definition
Tectonic plates
Term
What are some of the pieces of evidence for continental drift?
Definition
fossils, rock layers, and matching edges of coasts
Term
What is stratigraphy?
Definition
layers in the rock formations
Term
What is the name of the most recent supercontinent?
Definition
Pangaea
Term
When was the most recent supercontinent in one piece?
Definition
over 200 million years ago
Term
What did the other scientists in Wegener's time think about the theory of continental drift?
Definition
They did not believe it
Term
What is seafloor spreading?
Definition
When magma rises up between two oceanic plates and pushes the plates apart
Term
What is a rift valley?
Definition
When two continental plates separate at a divergent plate boundary
Term
The earth's crust is made up of huge slabs called ________________________
Definition
tectonic plates
Term
The movement of tectonic plates can cause ________________ and ___________________
Definition
Earthquakes and volcanoes
Term
Liquid rock below the Earth's surface is called ....
Definition
magma
Term
Liquid rock that rises above the Earth's surface is called ....
Definition
lava
Term
An area encircling the Pacific Ocean that has frequent earthquakes and volcanoes is called the ...
Definition
Ring of Fire
Term
The elevated area running down the middle of the Atlantic Ocean is called the ...
Definition
Mid Atlantic Ridge
Term
An area where tectonic plate move toward each other is called...
Definition
Convergent plate boundary
Term
An area where tectonic plate move away from each other is called...
Definition
divergent plate boundary
Term
An area where tectonic plate move past each other is called...
Definition
Transform plate boundary
Term
Which type of plate boundary is most likely to have earthquakes?
Definition
transform plate boundary
Term
Subduction occurs at which type of plate boundary?
Definition
Convergent plate boundary
Term
The type of plate boundary at the Mid Atlantic Ridge is a ...
Definition
Divergent plate boundary
Term
Mountains are usually formed at what type of boundary?
Definition
Convergent plate boundary
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