Sedimentary Rock
How is a sedimentary rock formed?
weathering
How is a metamorphic rock formed?
pre-existing rocks that have been changed over time
How is the igneous rock formed?
when magma or lava cools and solidifies
What are the 3 types of rocks?
sedimentary, metamorphic, and igneous
Sediment is another word for?
particles
How do metamorphic rocks change over time?
extreme heat and pressure
Igneous rocks can be...
extrusive or intrusive
What is a scientist who studies rocks called?
geologists
The sediment is moved to a new location by what?
erosion
What will the metamorphic rock layers look like?
wavy
What does quick cooling in extrusive rocks create?
fine grains and small crystals
All rocks may erode and eventually form what kind of rocks?
sedimentary rocks
What does sediment go through over time?
compaction and cementation
What might some of the layers of the metamorphic rock contain?
crystals
What does slow cooling in intrusive rocks create?
coarse grains and large crystals
Rocks that re-melt and are then forced to the surface are called?
Igneous rocks
What is something that sedimentary rocks can contain?
fossils
Metamorphic rocks can be...
foliated or non-foliated
What does the prefix "Ignis" mean
fire
What is the rock cycle?
a process that occurs on the Earth’s surface that slowly changes rocks from one kind to another.