The building blocks of rocks. They have a unique crystal structure.
What are minerals?
100
A mixture of organic and inorganic material that makes up the top layer of the surface of the Earth.
What is soil?
100
Rocks made from sediments.
What are sedimentary rocks?
100
Of the four sediment types, this contains the largest particles.
What is gravel?
100
Hardest known mineral.
What is diamond?
200
Small pieces of weathered rocks. Includes sand, silt, clay, and gravel.
What is sediment?
200
Process by which rocks are decomposed or loosened by chemical processes to form sediments and other materials. Acid rain is an example of this.
What is chemical weathering?
200
Rocks made from cooled and hardened magma.
What are intrusive igneous rocks?
200
Of the four sediment types, this contains the smallest particles.
What is clay?
200
Softest known mineral.
What is talc?
300
Processes that cause minerals and rocks to become smaller.
What is weathering?
300
Refers to the effect of motion, such as wind, rain waves, glacial movement, and freezing and thawing that wear away rocks and bedrock. A plants roots splitting rock is an example of this.
What is physical weathering?
300
Rocks made from extreme heat and pressure.
What metamorphic rocks?
300
This type of sediment is found on beaches.
What is sand?
300
Mineral used in wires and pennies.
What is copper?
400
Processes that move weathered material from one place to another.
What is erosion?
400
A natural, solid earth material that is made of one or more different minerals.
What is rock?
400
Rocks made from cooled and hardened lava.
What are extrusive igneous rocks?
400
This type of sediment is found at the bottom of most slow moving rivers.
What is silt?
400
Jewelry and teeth are made from this mineral. Reason people flocked to the west during the 1800s.
What is gold?
500
An endless process of change in which existing rocks are changed into new rocks.
What is the Rock Cycle?
500
Forces that help in building new rocks and landforms.
What are constructive forces?
500
Obsidian and Granite are examples of this type of rock.
What is igneous?
500
This sediment does not allow water to pass through.