Earth's Layers
Types of Rocks
Rock Cycle
Earth's Plates
Quakes and Volcanoes
100
Outer core
What is made up of liquid iron and nickel
100
Igneous
What is a type of rock formed on or near the earth's surface meaning formed by fire.
100
Weathering
What is the process that can breakdown sedimentary, igneous or metamorphic rocks into tiny sediments.
100
San Andreas Fault
What is a sliding plate.
100
Cinder cone Volcano
What is a volcano with blueberry-size pieves of hardened lava, cone shaped, smaller in size, with steep sides. Can have a crater top.
200
Wind, rain, ice, and other natural elements
What are the causes of erosion
200
Pumice
What is an igneous rock that appears spongelike.
200
Obsidian
What is the igneous rock that forms when lava cools quickly. It is smooth and glass like.
200
Fault
What is a crack in the earth's crust
200
Convergent
What is the plates on the earth's surface moving towards each other and can cause one to slide under the other.
300
Mantle
What is the thickest layer of the earth's crust.
300
Sedimentary
What is a type of rock formed from the cementation of sediments.
300
Slate
What is formed from shale (igneous rock) due to metamorphic changes.
300
Seismograph
What is the instrument used to measure the vibrations of an earthquake.
300
Shield Volcano
What is the volcano that has a low, wide, dome-shaped mountain. Lava builds up over time and can have many craters on top.
400
crust
What is the thinnest layer of the earth and made up of minerals, igneous, sedimentary, and metamorphic rocks.
400
Metamorphic
What is a rock that is formed due to great heat and pressure and changes its form.
400
Marble
What is a metamorphic rock formed from limestone due to great heat and pressure.
400
Sliding or Transform
What is the name of the plates that move back and forth and typically have faults located along them.
400
Divergent
What is two plates moving in opposite directions causing deep ocean trenches.
500
Inner core
What is the innermost layer of the earth and is made up of solid iron and nickel.
500
Limestone
What is the sedimentary rock that can be found on ocean floors.
500
Fossil
What is formed from dead animals and plants and gets trapped in layers of sediment. Mostly found in sedimentary rocks.
500
Ring of Fire
What is the name given to the area around the Pacific plate that has the most earthquakes and volcanoes located around it.
500
Composite Volcano
What is the tallest cone shaped volcano. Steep sides, one vent and perfect cone shape.
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