ACTUAL Exam Questions and CORRECT
Answers
Earth 1st layer - CORRECT ANSWER Crust
Earths 2nd layer - CORRECT ANSWER Mantel
Earth 3rd layer - CORRECT ANSWER Outer Core
Earth 4th layer (center) - CORRECT ANSWER Inner Core
Crust - CORRECT ANSWER What we see
Cool, solid rock
Can be oceanic or continental
Mantel - CORRECT ANSWER Solid but like modeling clay
Moves Slowly
500 degrees celsius to over 4000 degrees Celsius
Outer core - CORRECT ANSWER Very hot liquid
made up of iron and nickle
4400 degrees celsius to 6100 degrees celsius
Inner core - CORRECT ANSWER Hot solid
Mostly iron but has some nickel
,Lithosphere - CORRECT ANSWER Solid outer part of the earth, consisting of the crust and
upper mantle, behaves as solid rock
Asthenosphere - CORRECT ANSWER The soft layer of the mantle on which the tectonic
plates move
Denser, less rigid layer of the earth
Plastic state
minerals - CORRECT ANSWER A solid inorganic substance of natural occurrence.
Properties of minerals - CORRECT ANSWER color, streak, luster, crystal form, hardness,
cleavage, fracture, density, oder, taste,
Properties of minerals: streak - CORRECT ANSWER The color of a mineral in its powdered
form.
Properties of minerals: luster - CORRECT ANSWER the ability of the mineral's surface to
reflect light; can be metallic, submetallic, or nonmetallic
Properties of minerals: cleavage - CORRECT ANSWER the pattern along which the mineral
breaks
Properties of minerals: Diaphaneity - CORRECT ANSWER the transparency of the mineral
or the ability of light to pass through it
Properties of minerals: Tenacity - CORRECT ANSWER the mineral's ability to resist
separation or breaking when subjected to stress
Igneous Rock - CORRECT ANSWER form by cooling of magma
, Sedimentary Rock - CORRECT ANSWER Form when sediments like clay build up and
become cemented together
Due to their formation, they are layered and often grainy
Metamorphic rock - CORRECT ANSWER rock altered by pressure and heat
Soil - CORRECT ANSWER Upper portion of the earth surface
Weathering - CORRECT ANSWER (wear away) of rocks
4 Components of soil - CORRECT ANSWER Rocks & Minerals
Water,
Air
organic matter
Constructive Process - CORRECT ANSWER Add new land to the surface of earth
Examples:
Island formation from volcanos (hot spots)
Sediment deposition
Landslides
Mountains due to tectonic plates
Distructive Processes - CORRECT ANSWER Destroy land
Examples:
Weathering
Erosion
Mechanical Weathering - CORRECT ANSWER Direct Force