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So This is Earth
More Earth
Power of Rocks
More Rocks
100
This layer of earth is made up of molten and solid rock
What is the mantle?
100

How do scientists know what the layers of the Earth are?

  • Direct Evidence from Rock Samples

  • Indirect Evidence from seismic waves

100

Process that breaks down rock into smaller pieces

What is weathering

100
This type of rock is formed by intense pressure and heat.
What is a metamorphic rock?
200
What is layer at the center of the Earth is made up of solid iron and nickel?
What is the inner core?
200

What are Seismic Waves?

vibrations that travel through Earth carrying the energy released from an earthquake

200

Melted metamorphic rock that is found in the Earth is called this. 

What is magma 

200
The continuous changes that rocks undergo.
What is the rock cycle?
300
What is the thin, outer layer of Earth?
Crust
300

The type of crust formed of basalt; a dense igneous rock. Found underneath the ocean 

What is Oceanic

300
This process changes a sedimentary rock into a metamorphic rock.
What is heat and pressure?
300

What are minerals?

a naturally occurring solid that has a crystal structure and a definite chemical composition.

400
An extremely hot layer where nickel and iron melt into a thick liquid state is known as _____.
What is the outer core?
400
The type of crust formed of granite; a lower density rock
What is Continental
400
Type of rock formed when molten magma or lava solidifies
What is igneous?
400

How do volcanoes form?

Where one plate moves under another.

500
As you move closer to the center of the Earth, the pressure and temperature does this.
What is increases?
500

What are Convection Currents?

When water is heated it expands,

When it expands, its density decreases,

When its density decreases it rises to the top

When it rises to the top, it cools.

When it cools it becomes more dense,

When it becomes more dense, it sinks to the bottom,

When it’s at the bottom…

500
Sediments have been pressed together to form this type of rock
What is sedimentary?
500

How do mountains form?

plates collide