Earth's Layers
Vocabulary
Plates
Weathering, Erosion, Deposition
Rock Cycle
100
The layer that surrounds the earth and protects it from too much sunlight is the
Atmosphere
100
The center layer of the earth is the
core
100
Name three things caused by plate movement?
volcanoes, earthquakes, mountains
100
This is caused by wind, ice, rain, or moving water
weathering
100
What are the three types of rock in the cycle
igneous, sedimentary, metamorphic
200
The earth's lakes oceans and rivers are part of the
hydrosphere
200
Explain plate tectonics
a theory that states the earth's surface is made up of about 20 moving pieces called plates.
200
Converging plates form what?
mountains
200
The movement of weathered rock and soil
erosion
200
Rocks formed from melted mantle that comes from deep inside the earth, when it cools it hardens into a _____________ rock
igneous
300
Rocks, soil and minerals are part of the
lithosphere
300
a large section of the earth's surface made of the crust and the rigid top part of the mantle
plates
300
When plates converge and one subducts what is formed?
Volcano
300
The dropping of materials moved by erosion
deposition
300
When a rock is heated and put under pressure it forms what type of rock?
metamorphic
400
The outer part of the lithosphere is the earth's
crust
400
What is the difference between the continental plates and the oceanic plates?
Oceanic plates are the ocean, continental plates are the land
400
Plates that rub together form what?
earthquakes
400
Give an example of physical weathering
answers will vary
400
What type of rock is formed by layers of sand being pressed or cemented together?
sedimentary
500
Between the crust and the core is the
Mantle
500
The process of breaking down or changing rocks
weathering
500
Scientists say that earth's plates are always doing what slowly?
moving
500
Give an example of chemical weathering
answers will vary
500
what is the hardest mineral?
diamond
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