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Earth's Layers
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What 3 layers of the Earth starting from the thickest.
What 3 layers of the Earth starting from the thickest.
inner core, outer core, lower mantle
What is the thinnest layer?
What is the thinnest layer?
crust
What layer does the crust sit on?
What layer does the crust sit on?
Lithosphere
Describe the core, mantle and crust.
Describe the core, mantle and crust.
center thickest layer made of iron and nickel, middle layer made mostly of melted rock, thin outer layer made of rocks minerals and soil
What is a subduction zone?
What is a subduction zone?
area in which the continental or oceanic crust dives under another layer.
What is a plate
What is a plate
A large section of earth's surface made of crust and the top part of the mantle
What does the theory of plate techtonics say?
What does the theory of plate techtonics say?
That earth's surface is broken into plates that can move.
What do scientists call the super continent that the believe all of the contintents once formed?
What do scientists call the super continent that the believe all of the contintents once formed?
Pangaea
Explain how volcanoes form.
Explain how volcanoes form.
2 plates push together, one go under the other, it melts and forms lava which gets pushed to the surface.
Explain how mountains can be formed.
Explain how mountains can be formed.
2 plates push together, both push upwards causing the rock to wrinkle and form a mountain.
What is weathering
What is weathering
the process that breaks down and changes rocks
Name at least 3 ways that weathering can occur
Name at least 3 ways that weathering can occur
air, ice, water, chemicals, living things
What is erosion
What is erosion
the moving of soil and weathered rock
Name 2 ways that erosion can occur
Name 2 ways that erosion can occur
moving water, wind
What is depostion
What is depostion
the dropping of materials moved by erosion
What is the rock cycle
What is the rock cycle
ways that rocks change form one form to another.
Name the 3 types of rocks
Name the 3 types of rocks
igneous, sedimentary, metamorphic
Explain how an igneous rock can change to a sedimentary rock.
Explain how an igneous rock can change to a sedimentary rock.
Igneous rock gets weathered, the weathered pieces are called sediments, sediments form layers, over time layers are puched together and form sedimentary rock
What is a mineral composed of?
What is a mineral composed of?
different Elements
What layer of the Earth would you find fossils?
What layer of the Earth would you find fossils?
Sedimentary Rock
Starting from the center of the earth name all 7 layers in order.
Starting from the center of the earth name all 7 layers in order.
inner core, outer core, lower mantle, upper mantle, asthenosphere, lithosphere, crust
Explain how earthquakes occur
Explain how earthquakes occur
2 plate rub against each other, pressure builds up and causes sudden movement
Name 2 features that the process of deposition can create
Name 2 features that the process of deposition can create
deltas, sand dunes, sandy beaches
The San Andreas Fault was created by a __________ boundary?
The San Andreas Fault was created by a __________ boundary?
transform
Depending on the conditions the mineral carbon can develope into very different materials. Name 2 and describe each
Depending on the conditions the mineral carbon can develope into very different materials. Name 2 and describe each
diamond: hard, clear shiney. Graphite: soft grey/black dull
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Go To The Final Question
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