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Layers of the Earth
Plate Tectonics 1
Surface Changes
Miscellaneous
Take a Chance!
100
The innermost layer of the earth, made of solid iron and nickel.
What is the inner core?
100
What is formed when two continental plates converge.
What is mountains?
100
The breaking down of rock.
What is weathering?
100
The fancy name for the watery part of our earth, made of the ocean, lakes, rivers, and glaciers.
What is the hydrosphere?
100
What happens to water when it freezes.
What is expand?
200
The thickest layer of the earth, made mostly of melted materials.
What is the mantle?
200
What is formed when a oceanic plate subducts under a continental plate.
What is a volcano?
200
The moving of weathered rock by wind or water.
What is erosion?
200
The percentage of the earth that is covered by water.
What is 75%
200
The type of volcano that is made from repeated layers of ash and lava.
What is stratovolcano or composite volcano.
300
The layer of the earth that is composed of mainly melted nickel and iron.
What is the outer core?
300
What is caused by a transform boundary?
What is an earthquake?
300
The dropping of eroded materials caused by the slowing of water or wind.
What is deposition?
300
The part of the earth that is made up of the crust and the upper part of the mantle.
What is the lithosphere?
300
The theory that the earth is covered with plates that slowly move.
What is plate tectonics?
400
The thinnest layer of the earth, by far.
What is the crust?
400
The way that plates move in a divergent boundary.
What is away from each other?
400
The two types of weathering.
What is chemical and physical?
400
Made of mostly of nitrogen and oxygen.
What is the atmosphere?
400
An idea that explains why the earth's plates move.
What is convection?
500
The layer of the earth that causes the earth's plates to move, where convection currents occur.
What is the mantle?
500
What is formed in a divergent boundary in the ocean?
What is a ridge, or new ocean crust?
500
Acidic water in limestone caves, acid rain on statues and moss releasing weak acids are examples of what?
What is chemical weathering?
500
The percentage of the hydrosphere that is made up by glaciers.
What is 3%?
500
The name of the man who presented the idea of "continental drift" which led to the theory of "plate tectonics".
Who is Alfred Wegener?