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Earth Science
Types of Rocks, etc.
21
Science
5th Grade
02/21/2011

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Cards

Term
How is Igneous Rock formed?
Definition
either by cooled Magma or cooled Lava
Term
Give an example of igneous Rock.
Definition
Granite, basalt, obsidian, pumice
Term
How is Metamorphic Rock formed?
Definition
by heat and pressure
Term
Give an example of Metamorphic Rock.
Definition
Gneiss, Slate, Schist
Term
How is Sedimentary Rock formed?
Definition
Sediments that form layers and undergo cementation
Term
Give an example of Sedimentary Rock
Definition
Sandstone, Limestone, Shale, Coal
Term
Name the 3 types of rock
Definition
Metamorphic, Igneous, Sedimentary
Term
What is cementation?
Definition
Binding of sediment
Term
What are the four layers of the Earth?
Definition
Crust, Mantle, Outer Core, Inner Core
Term
How old is the earth thought to be?
Definition
4.6 Billion years.
Term
What is Plate Tectonics?
Definition
The flowing of mantle and how it causes movement in the crust.
Term
What is a plate?
Definition
a continent-sized block of land
Term
Name some things that occur when plates move?
Definition
earthquakes, eruption of volcanoes and the formation of mountains and sea basins, fault lines
Term
What happens when plate movement is "convergent"?
Definition
They push together to form mountains and mountain ranges.
Term
What happens when plate movement is "divergent"?
Definition
they pull apart making mid-ocean ridges.
Term
What happens when plate movement is "transforming" or "sliding"?
Definition
they slide by each other creating fault lines and earthquakes
Term
What is Weathering?
Definition
breaking up of rocks into sediments by such forces as wind, rain, sunlight.
Term
What is erosion?
Definition
The waring away and removing of rocka nd soil caused by such forces as wind and flowing water.
Term
What is a fossil?
Definition
the remains or traces of a living thing from the past preserved in rock.
Term
What is the type of rock in which you find fossils?
Definition
Sedimentary
Term
True or False: imprints of skeletons of animals from the past are not actually "fossils".
Definition
False
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