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Test your basic knowledge |
Earth Science
Start Test
Study First
Subject
:
science
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Heat transport by moving particles & and the thermal energy that they carry & to a new location.
convection
magnetic equator
outcrop
foliated
2. The outermost part of the core. It is liquid & about 1 &700 km thick & and separated from the inner & solid core by a transition zone about 565 km thick.
s- wave (secondary wave & shear wave)
pipe
terrestrial
outer core
3. (Greek-Aphrodite)named after the Roman goddess of love. It is the planet closest in size to Earth and the second planted from the Sun.
stratum
calving
Venus
plate boundaries
4. The portion of the continental margin that lies between the abyssal plain and the continental slope. The continental rise is underlain by crustal rocks of the ocean basin.
continental rise
rockslide (rock avalanche)
oxbow lake
biogenic sedimentary rock
5. A mass of ice & formed by the recrystallization of snow & that flows forward & or has flowed at some time in the past.
Pillow Lava
glacier
sinkhole
petroleum
6. A division of geologic time next smaller than the eon and larger than a period. Example: The Paleozoic era is in the Phanerozoic eon and includes & among others & the Devonian period.
striations
era
metamorphic rock
s- wave (secondary wave & shear wave)
7. The area immediately below the ground surface within which pore spaces are partially filled with water and partially filled with air.
wave trough
hemisphere
zone of aeration
galaxy
8. A process by which salts accumulate in soil.
salinization
fossil
steppe
mesosphere
9. A stone or boulder & glacially transported from place of origin and left in an area of different bedrock composition.
stratum
open pit mining
abundant metal
erratic
10. The innermost zone of Earth. It consists of two parts & an outer liquid section and an inner solid section & both chiefly of iron and nickel with about 10 percent lighter elements. It is surrounded by the mantle.
liquefaction
arid
eclipse
core
11. A hydrocarbon (coal or petroleum) that can be extracted from the Earth for use as a fuel. Fossil fuels are non-renewable energy sources.
ecosystem
compass Rose
fossil fuel
sinkhole
12. A post of dripstone growing up from a cave floor.
oceanic trench
Pelean eruption
stalagmite
prairie
13. A period of dryness & that when prolonged & causes damage to crops; a shortage of water.
seismic sea wave (tsunami)
drought
you-shaped valley
natural resources
14. A natural open space underground & large enough for a person to enter. Most commonly occur by the dissolution of soluble rocks & generally limestone.
watershed
nuee ardente
crater
cave
15. The outermost part of the core. It is liquid & about 1 &700 km thick & and separated from the inner & solid core by a transition zone about 565 km thick.
metamorphic rock
geology
outer core
watershed
16. Enormous & thick sheets of rock that are part of the Earth's upper mantle that move and adjoin each other along zones of seismic activity. Many tectonic plates extend underneath both continents and sea floor.
spring
tectonic Plates
shoreline
runoff
17. The southern portion of the late Paleozoic supercontinent known as Pangea. It means & literally 'Land of the Gonds' (a people of the Indian subcontinent).The supercontinent existed from Cambrian to Jurassic time & mainly composed of South America &
pyroclastic
oceanic crust
archaean
Gondwana
18. A post of dripstone growing up from a cave floor.
open pit mining
reserves
casts
stalagmite
19. The naturally occurring material from which a mineral or minerals of economic value can be extracted at a profit.
landforms
ore
precipitation
era
20. The process of removing metal from ore.
smelting
disintegration (mechanical weathering)
zone of leaching
cinder cone
21. Formed when an organism is flattened (compressed) and a thin film of organic material from its body is left in the rock.
hot spot
compression fossil
erosion
Gondwana
22. A device built to study distant objects by making them appear closer.
fjord
base
telescope
deflation
23. The reserves of a valuable mineral commodity plus all other mineral deposits that may eventually become available & even those that are presumed to exist but have not yet been discovered and those that are not economically or technologically exploita
particulate air pollution
resources
plate tectonics
swash and back wash
24. A period of dryness & that when prolonged & causes damage to crops; a shortage of water.
reef
drought
Precambrian
tectonic Plates
25. A coral reef attached directly to the mainland.
fringing reef
sedimentary rock
El Nino
storm surge
26. A steep-sided rounded extrusion of highly viscous lava squeezed out from a volcano and forming a dome-shaped or bulbous mass above and around the volcanic vent. The structure generally develops inside a volcanic crater.
Earth
reef
absolute time
lava dome
27. The initial point within the Earth that ruptures in an earthquake & directly below the epicenter. The point within the Earth which is the center of an earthquake & at which strain energy is first released and converted to elastic wave energy.
stratum
drainage divide
focus
aquatic
28. A term applied to large areas of basaltic lava presumably extruded from fissures.
metamorphic rock
steppe
scale
lava flood (plateau basalt)
29. The mass of an object divided by its volume.
density
chalk
Pluto
groove
30. Distance over which wave-forming winds blow.
bedrock
fetch
igneous rock
ablation
31. The process of one plate descending beneath another.
subduction
denudation
discharge
asteroid
32. A collection of maps.
lava lake
atmosphere
decomposition (chemical weathering)
atlas
33. The weak or 'soft' zone in the upper mantle just below the lithosphere & involved in plate movement and isostatic adjustments. It lies 70 to 100 km below the surface and may extend to a depth of 400 km.
Continntal Drift Theory
nuee ardente
asthenosphere
luster
34. The oldest eon in Earth history & extending from the origin of the Earth to about 3.9 billion years ago.
fossil fuel
Hale-Bopp
sand dune
Hadean
35. A division of geologic time next shorter than a period. Example: the Pleistocene epoch is in the Quaternary period.
oxbow
epoch
glacier
petroleum
36. The region of a shore that is covered at high tide and exposed at low tide.
convection cell
sediment
disintegration (mechanical weathering)
intertidal zone
37. An atmospheric shield providing the Earth with protection from ultra-violet rays which can cause sun burn & skin cancer and the destruction of the delicate plant life which supports the planet's food chain.
eustatic change in sea level
seismic gap
ozone layer
chalk
38. Deposition of fine mineral particles (silt) on the beds of streams or lakes.
siltation
moraine
wind farm
cleavage
39. Saturn is named after the Roman god of the harvest. It is the sixth planet from the Sun.
sedimentary rock
liquefaction
Continntal Drift Theory
Saturn
40. Any molten material that is extrusive or volcanic & or the rock that forms from a molten extrusive. Molten rock that flows at the Earth's surface.
ice sheet
magnetic polarity
lava
baseline study
41. A time of unusual winds and currents in the Pacific Ocean . El Nino generally causes warmer-than-normal sea surface temperatures and increased rainfall and storm activity.
seismic sea wave (tsunami)
El Nino
water clarity
suspension
42. A person who makes maps.
floodplain
Uniformitarianism
cartographer
biogenic sediment
43. Weathering processes that are the result of chemical reactions. Example: the transformation of orthoclase to kaolinite.
lava lake
fracture
decomposition (chemical weathering)
aftershock
44. Till deposited from main body of glacier during ablation.
chemical sediment
ground moraine
lithosphere
tide
45. Forms along a coast as wave erosion cuts through a headland.
arch
casts
thermal spring
spring
46. Distance over which wave-forming winds blow.
volcanic ash
fetch
fracture
p- wave (primary wave & compressional wave)
47. A spring whose temperature is 6.5o C or more above mean annual air temperature.
oxbow
thermal spring
inertia
global warming
48. The elevation at which snow persists throughout the year.
pathogen
oceanic trench
snow line
decomposition (chemical weathering)
49. The processes (mechanical and chemical) responsible for the wearing away & loosening & and dissolving of materials of the Earth's crust.
sod
erosion
suspended load
groin
50. A zone in the Earth between 400 and 670 km below the surface separating the upper mantle from the lower mantle.
silicate
mesosphere
Uniformitarianism
drift