Layers of the Earth
Plate Tectonics
Rock types
Rock cycle
General knowledge
100
What are the two types of Earth's crust?
Continental crust & Oceanic crust.
100

What is the name of the theory that Earth's crust is made up of moving plates?

Theory of Plate tectonics.

100

tiny pieces of rock, sand, shells, etc. is called what?

sediment

100

When rocks are melt and cooled down, what rock type is it?

igneous rock

100
When stress is released in quick bursts and the plates shift, we feel shaking and trembling. What is this called?
Earthquake.
200
What is the Earth's outermost and thinnest layer.
The Crust
200
What is it called when one plate moves UNDER another plate?
Subduction.
200

Sandstone is what is rock type?

Sedimentary

200

When sediments go under compacting and cementing processes they become___________

Sedimentary rocks

200

What is the name Alfred Wegener gave to the supercontinent?

Pangaea

300
When the earth's crust melts it is called what?
Magma.
300
What is it called when two plates are pushing toward each other?
Convergent.
300

Granite is what rock type?

Igneous

300

What is a process that turn metamorphic rocks into sediments

Weathering and erosion

300
What word means the border between two tectonic plates?
Boundary.
400
Which of the earth's layers is liquid?
The outer core.
400
What is it called when two plates are moving away from each other?
Divergent.
400
What rock type is marble?

Metamorphic 

400

_________ and ____________ turn sedimentary rocks into metamorphic rocks.

Heat and pressure

400
The boundary of the North American Plate and the Pacific Plate forms in which American state?
California.
500

__________ igneous rocks have larger crystals than the other kind of igneous rocks.

Intrusive

500

What type of boundary is it when two plates slide past one another?

Transform

500

What rock type is Obsidian?

Igneous

500

When metamorphic and igneous rocks go under melting they turn into__________

magma

500
What is the name for the circle of active volcanoes in the Pacific ocean?
"The Ring of Fire"
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