Definitions
Molten rock under the Earth's Surface
What is Magma?
What cools to form igneous rocks?
What is magma or lava?
Sedimentary rocks are formed by _____
What are sediments?
Meta means ____
What is "change"?
The breaking apart of rocks into smaller pieces.
What is weathering?
The breaking down of rock by wind, water, and ice
What is weathering?
These events might bring Igneous rocks to the surface of the crust
What is an Earthquake or Volcano?
Sandstone is an example of this type of rock
What are sedimentary rocks?
If a rock gets buried deep in Earth's crust, or touches hot lava, it will change into a _______
What is a metamorphic rock?
When rocks break down and become smaller, but do not chage in any other way
What is Physical Weathering?
Taking rock away
What is erosion?
Over time, a piece of igneous granite might weather into _____
What is sediment?
Sedimentary rocks are often formed in ______
What are layers or strata?
This type of rock used to be Limestone, but was changed by heat and pressure into _____
What is marble?
When ice water gets into cracks in the rock and expands enough to break the rock
What is freezing and thawing?
The outside covering of the Earth
What is the crust?
granite and basalt (what type of rock?)
What are igneous rocks?
Sedimentary rocks often contain bits of sand, gravel, shells, and sometimes even _____
What are fossils?
This type of rock used to be sandstone, but after intense heat and pressure was changed into _____
What is Quartzite?
When rocks bang into one another and get worn down.
What is abrasion?
The dense, super heated layer of the Earth under the crust.
What is the Mantle?
The steps that an change rocks over long periods of time.
What is the rock cycle?
If Sedimentary rocks are subjected to intense heat and pressure, they can turn into a _____ rock
What is Metamorphic?
This type of rock used to be shale, but after intense heat and pressure changed into ______
What is slate?
When minerals in rocks are changed by chemicals in water and air and change into new minerals, like when iron rusts.
What is Chemical Weathering?