- | Page
HOPKINS GEOG 1111 FINAL
EXAM(UNIT 5) QUESTIONS AND
ANSWERS RATED A+ NEW
UPDATE ASSURED SATIS FACTION
Question : soil
CORRECT ANSWER : the fine material covering the
Earth's surface composed of both mineral & organic material;
Question : dirt vs. soil
CORRECT ANSWER : dirt is soil without the organic
material
Question : weathering
CORRECT ANSWER : provides the raw (parent)
materials for soil formation and developmentThe processes by which rocks are chemically altered or physically broken into fragments as a result of exposure to atmospheric agents and the pressures & temperatures at or near the Earth's surface, with little or no transportation of the loosened or altered materials.
- | Page
Question : 2 types of weathering
CORRECT ANSWER : mechanical (physical) and
chemical
Question : mechanical (physical) weathering
CORRECT ANSWER : the breakdown or disintegration
of rocks into smaller fragments by physical processes no chemical alteration
Question : chemical weathering
CORRECT ANSWER : the breakdown or disintegration
of rocks into smaller fragments through chemical alterationdissolving of the rock
Question : regolith
CORRECT ANSWER : by-products of weatheringthe
partially weathered rock below the surface which overalls the bedrockmay in time become parent material, soil, or exposed at the surface
- | Page
Question : parent material
CORRECT ANSWER : by-products of
weatheringregolithunconsolidated material, from organic and mineral sources, that is the basis of soil development/formation
Question : soil characteristics
CORRECT ANSWER : soil profilesoil horizonsoil
properties
Question : soil profile
CORRECT ANSWER : soil characteristicsthe array of
soil layers; their sequence from the top (surface) to the bottom (bedrock)
Question : soil horizon
CORRECT ANSWER : soil characteristicsa distinct
layer of soil within the soil profile
- | Page
Question : soil properties
CORRECT ANSWER : color structureporositytexture
(clay, sand, silt) consistence (cohesion) moisture
Question : increase heat (T)
CORRECT ANSWER : increase respiration
Question : soil formation
CORRECT ANSWER : an ongoing process of a
renewable resource but non an inexhaustible resource
Question : components of soil
CORRECT ANSWER : mineralsorganic matter water air
Question : minerals
CORRECT ANSWER : components of soilelements or
compounds within a crystalline structurethe building blocks of rocksfound in all soils