What is a rock?
Something solid, hard that comes from lava or is made of minerals
What is an example of an igneous rock?
Granite, obsidian, pumice, wonderstone,
What is an example of sedimentary rock?
Sandstone, limestone, coal, conglomerate
What is an example of metamorphic rock?
Gneiss, quartzite, Marble, schist
T/F: Minerals are a pure substance
True
What is a property of igneous rock?
Glassy and/or fined grained
What is a property of sedimentary rock?
What is a property of metamophic rock?
Light and dark bands
T/F: The rock cycle happens constantly and has been continuing for millions of years.
True
What are the 3 main categories of rocks?
Igneous, Metamorphic, and Sedimentary
How is Igneous rock formed?
Through lava cooling
How is sedimentary rock formed?
Through sediment compacting together, erosion, ect.
How is metamorphic rock formed?
Through the heat and pressure from inside the earth.
T/F: Rocks are made up of only 1 mineral
False: they are made up of multiple minerals
What is the rock cycle?
a series of processes that create and transform different types of earth's rocks.
Where is igneous rock mostly found?
sometimes on the surface but mostly below, inside the earth covered by sedimentary rock.
Where is sedimentary rock mostly found?
On the earths surface, around water, around areas of erosion.
Where is metamophic rock mostly found?
inside the earth, deep within the earth
T/F: You normally find fossils in igneous rock.
False: sedimentary rock (because of the layering)