Rocks
Rocks are made up of one or more types of these.
What are minerals?
Forms when pieces of older rocks, plants and other loose materials get pressed together.
What is sedimentary rock?
The process by which natural forces break down rocks.
What is weathering?
The process in which weathered particles are picked up and moved from one place to another.
What is erosion?
The center layer of the Earth.
What is the inner core?
This is how are rocks are made.
What is naturally through geologic processes.
Forms when molten (hot) rock cools and becomes solid.
What is igneous rock?
When water freezes and expands in cracks of rocks, this happens.
What is ice wedging?
This happens when sediment is placed in a new location.
What is deposition?
A naturally formed, solid substance that has a definite chemical makeup and a crystal structure.
What is a mineral?
The set of natural processes that form, change, break down and re-form rocks.
What is the rock cycle?
Forms as heat and pressure causes change usually resulting in a layered or banded rock.
What is metamorphic rock?
The part of a plant that can cause rocks to crack.
What are roots?
The force that pulls object down.
What is gravity?
The location where most of the Earth's volcanoes occur.
What is the ring of fire?
The layer of Earth that all the rocks, animals and plants live on.
What is the crust?
Magma inside a volcano slowly cooled into this type of rock.
What is igneous rock?
The name for the way water breaks down and smooths out rocks.
What is abrasion?
The three ways that erosion occurs or how rock sediment moves.
What is water, wind and ice?
This is the volcano in Washington State that erupted in 1980, one of the strongest eruptions in the history of the United States.
What is Mount Saint Helens?
This is an example of an organic rock.
What is coal?
About 25% of the entire crust is made up of this type of rock.
What is sedimentary rock?
The process in which layers or sheets of rock gradually break off. (People do this to remove dead skin from their face and body)
What is exfoliation?
This landform is formed at the mouth of a river, usually by silt and very fine sand.
What is a delta?
This is what formed Hawaii by creating volcanoes far from a plate boundary.
What is a hotspot?