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100
This is the name of the layer of the earth that includes the crust and the rigid top part of the mantle.
What is the lithosphere?
100
This is the process that causes deltas to form.
What is deposition?
100
Most earthquakes occur when this moves.
What is a plate?
100
The hardness of this object is measured by the Mohs Hardness Scale.
What is a mineral?
100
This is the term given to a hypothesis supported by evidence.
What is a theory?
200
This is what is formed when sedimentary rock is changed by heat or pressure.
What is metamorphic rock?
200
This is the name of the layer in the center of the earth.
What is the core?
200
This is the name of the theory that explains how continents move.
What is plate tectonics?
200
These form where two plates collide, pushing up layers of rock.
What are mountains?
200
This is the name given to weathered igneous rock.
What is sand?
300
This is the name of the layer of gasses that surrounds the earth.
What is the atmosphere?
300
This is the name of what is formed when layers of sediments are pressed together.
What is sedimentary rock.
300
This is the name of the process that breaks down and changes rocks.
What is weathering?
300
The atmosphere is a layer of this around the earth?
What is gas?
300
If you took a journey to the center of the earth, you would find a core made of this
What is solid, very hot metals.
400
This describes how rock can change from one form to another.
What is the rock cycle?
400
This is the name of the layer of the earth above the core.
What is the mantle?
400
This is the name of what is formed when melted rock cools.
What is metamorphic rock?
400
People build homes, cities, and farms on this portion of the earth.
What is the lithosphere?
400
Erosion happens when wind or water moves these.
What is weathered rock or soil?
500
This is the name of the process in which soil can be lost from a farm field.
What is erosion?
500
This is the name of the water part of the earth's surface.
What is the hydrosphere?
500
This is the name of the earth's layer on top of the mantle.
What is the crust?
500
This is the name of any remains or trace of an organism that was once living.
What is a fossil?
500
Partly melted and partly solid is how I would describe this section of the earth.
What is the core?
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