Rock Cycle
Sedimentary Rocks
Our Earth
Metamorphic Rocks
Igneous Rocks
100
The processes that form, change, break down, and re-form rocks.
What is the Rock Cycle?
100
This rock forms when layers of sediment press or bond together.
What is sedimentary rock?
100
At the center of Earth is the hottest layer called this.
What is the core?
100
These rocks transform into new kinds of rocks when heat and pressure changes them.
What are Metamorphic Rocks?
100
This rock is formed by melted rock that has cooled and hardened.
What are Igneous Rocks?
200
These can begin as one type such as sedimentary and change many times to other types such as metamorphic or igneous.
What are rocks?
200
This is often found in sedimentary rocks and it has lasted from a living thing that died long ago.
What is fossil?
200
This lies between the innermost layer, the core, and the thin outermost layer, the crust. It consists of hot, dense, semisolid rock.
What is the mantle?
200
Metamorphic rocks form and change because of these two things.
What is heat and pressure?
200
The most common igneous rock.
What is Basalt?
300
Geologist classify rocks into three basic groups based on this.
What is how they were formed in nature?
300
Pieces of Earth that have been broken down by weathering.
What are sediments?
300
Rocks can be changed by heat and pressure, melting, and this.
What is wind and water or weathering?
300
The soft mineral that makes the lead in your pencil.
What is graphite?
300
Igneous Rock can be ejected during an eruption of this.
What is a volcano?
400
Amethyst is a variety of quartz and it is this color.
What is purple?
400
The process by which rocks are broken down by water, wind, air, and other living things.
What is weathering?
400
The surface layer or outer layer of the Earth.
What is the crust?
400
Marble is this type of rock.
What is Metamorphic?
400
Igneous rocks are formed by this molten material that forms deep beneath the Earth's surface.
What is magma?
500
A solid object that was formed in nature and has never been alive.
What is a mineral?
500
An example of Sedimentary Rock.
What is shale, sandstone, flint, coal, iron ore, or limestone?
500
Geology is the study of the Earth. An individual who studies the Earth is called this.
What is a Geologist?
500
An example of Metamorphic Rock.
What is slate, marble, gneiss, quartzite, or soapstone?
500
An example of Igneous Rock.
What is obsidian, granite, basalt, or pumice?
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