Rocks
This is the decayed remains of once-living organisms.
humus not hummus!
What is the definition of a mineral? Give at least 3 attributes.
An inorganic, pure, crystalline substance found naturally in the earth.
What are the 2 types of crusts on earth?
Continental and Oceanic.
Name the 2 types of weathering.
Chemical and physical
What is the definition of a fossil?
The preserved remains of a once-living organism.
This type of rock consists mainly of sand, minerals and other material laid down by water in layers cemented by chemical reactions.
sedimentary
True or False
Minerals are often found as crystals.
True
This layer is made of solid iron and nickel.
Inner core.
Name on method of physical weathering.
Ice, Temperature changes, abrasion from sand, running water, erosion from wind or water
What is the most common type of fossil found on earth?
Clams or clam-like organisms.
This type of rock has changed its form due to extreme temperature and pressure .
Metamorphic
What is the difference between a rock and a crystal?
A rock can be a combinations of 2 or more minerals. A crystal is a pure mineral.
This is the middle layer with the most mass, right below the Moho.
Mantle
Name one method of chemical weathering.
Acid rain, oxygen, rust,
A world-wide flood is an example of which paleontology perspective?
Catastrophism.
This type of rock is made from molten lava.
Igneous
What does crystalline mean?
It has sharp geometric shapes and flat surfaces with well-defined edges.
What temperature is the inner core.
9,000 F or 5,000 C
The process of wearing or grinding something down by wind, water or other natural agents.
The Geological Column (on p. 177 of your text) is an example of which paleontologic perspective?
Uniformitarianism.
Name a type of sedimentary rock.
sandstone, limestone, shale, chalk, coal, gypsum, conglomerate, etc.
Name one common mineral found in earth's crust.
Quartz, feldpar, mica, olivine, muscovite, biotite, pyroxene, hornblende, calcite, etc.
What layer is just below the lithosphere? It is where we find plastic-like rock.
Asthenosphere.
Name a land formation or landmark that was formed by erosion.
Canyons, like the Grand Canyon, caves, oceans, glaciers, Finger Lakes in New York. Sand dunes, etc.
What and where is the Great Uncomformity?
A separation between rock strata marked by erosion. The layers lay at an angle to each other.
It is in the Grand Canyon.