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Test your basic knowledge |
Earth Science
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Study First
Subject
:
science
Instructions:
Answer 50 questions in 15 minutes.
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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. The point on the Earth's surface directly above the focus of an earthquake.
tectonic Plates
Mars
epicenter
particulate air pollution
2. Pertaining to or composed of granite & a coarse-grained igneous rock dominated by light-colored minerals & consisting of about 50 percent orthoclase & 25 percent quartz & and balance of feldspars and ferromagnesian silicates. Granite is commonly foun
granitic
body wave
rainforest
comet
3. A building that contains one or more telescopes.
observator
chemical sedimentary rock
s- wave (secondary wave & shear wave)
continental rise
4. The top of a wave.
ozone layer
pollutant
wave crest
climate
5. Long narrow beaches separated in many places from the mainland by lagoons.
atmosphere
barrier beaches
lithosphere
glacier
6. Sediment formed by chemical precipitation from water. Example: halite precipitated as the result of the evaporation of sea water.
chemical sediment
thrust fault
spring
outer core
7. Imaginary lines on a map or globe that measure distance in degrees east or west of the prime meridian. Longitude lines extend vertically & from pole to pole on a globe.
longitude
fold and thrust mountains
lava
rain shadow deserts
8. Banks of sand and silt along stream bank built by deposition in small increments during successive floods.
levees
oxbow
smelting
rift (graben)
9. The solid innermost part of the core with a diameter of a little over 1 &200 km.
arch
oxbow
groin
inner core
10. A sea wave produced by any large-scale & short duration disturbance on the seafloor & commonly a shallow submarine earthquake but possibly also a submarine slide or volcanic eruption.
moon
Uranus
shore
seismic sea wave (tsunami)
11. 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.
density
reserves
epicenter
ozone layer
12. 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
sextant
groundtruthing
ozone layer
resources
13. Pertaining to clastic material formed by volcanic explosion or aerial expulsion from a volcanic vent.
quarrying
dust devil
water clarity
pyroclastic
14. A mass of ice & formed by the recrystallization of snow & that flows forward & or has flowed at some time in the past.
permafrost
swells
glacier
Laurasia
15. A soft compact calcite & CaCO3 & with varying amounts of silica & quartz & feldspar & or other mineral impurities & generally gray-white or yellow-white and derived chiefly from fossil seashells.
geyser
chalk
sod
terrestrial
16. The generally dark & more or less stable part of the organic matter in a soil & so well decomposed that the original sources cannot be identified.
lithosphere
fossil fuel
basin
humus
17. The process of one plate descending beneath another.
subduction
lahar
hardpan
plate
18. Plutonic. Antonym of extrusive. Pertaining to igneous rocks or features formed by the emplacement of magma in pre-existing rocks.
Proxima Centauri
biogenic sedimentary rock
intrusive
Mesozoic
19. The current geologic era & which began 66.4 million years ago and continues to the present.
salinization
Cenozoic
groove
nebula
20. A hole or basin cut into bedrock of a stream by the abrasive action of pebbles and sand swirled by turbulent stream flow.
pothole
abyssal plain
fjord
seismology
21. A valley caused by extension of the Earth's crust. Its floor forms as a portion of the crust moves downward along normal faults.
chlorofluorocarbons (CFC's)
rift (graben)
renewable resources
pipe
22. That portion of the Earth below the crust and reaching to about 2 &780 km & where a transition zone of about 100 km thickness separates it from the core.
zone of saturation
nutrient
mantle
ore
23. The sum of the processes that result in the wearing away or the progressive lowering of the Earth's surface by weathering & erosion & mass wasting & and transportation.
bar
pathogen
oal
denudation
24. Living in water.
aquatic
dust bowl
continental slope
climate
25. Heat transport by direct transfer of energy from one particle to another & without moving the particle to a new location.
Prime Meridian
mesosphere
rock
conduction
26. Any of various minerals prized for beauty & durability & and rarity. A few noncrystalline materials of organic origin (e.g. & pearl & red coral & and amber) also are classified as gemstones.
seismology
gemstone
streak
Jupiter
27. The area bordering a stream over which water spreads when the stream tops its channel banks.
trench
floodplain
seismograph
prairie
28. Temporary accumulations of sediments that collect between low and high water marks.
sextant
epicenter
beach
natural resources
29. The uprush of a wave onto the beach followed by the return flow of the water down the beach slope in the intervals between waves.
swash and back wash
continental divide
aquifer
oceanic trench
30. A roughly circular reef with an occasional small & low & coral sand island surrounding a shallow lagoon.
universe
atoll
foliated
water table
31. Reduction of pore space between individual particles as the result of overlying sediments or of tectonic movements.
elevation
compaction
flood
triangulation
32. A supercontinent that existed from the the end of the Permian to the Jurassic & 300 to 200 million years ago & assembled from large continents like Euramerica & Gondwana & and Siberia & as well as smaller landmasses like the Cathaysian and Cimmerian
fissure eruption
anemometer
Pangea
seismic sea wave (tsunami)
33. The very slow & generally continuous downslope movement of soil and debris under the influence of gravity.
plain
exotic river
creep
outcrop
34. Any solid material that has settled out of a state of suspension in liquid.
plate boundaries
sextant
geologic time scale
sediment
35. A small & dust-bearing whirlwind.
permafrost
atlas
scientific model
dust devil
36. The presence of layers in some rocks caused by parallel alignment of minerals.
erratic
volcanic ash
deflation
foliated
37. A volcanic mountain on the seafloor. If flat-topped & it is a guyot.
rock
steppe
seamount
isthmus
38. A natural open space underground & large enough for a person to enter. Most commonly occur by the dissolution of soluble rocks & generally limestone.
plain
fissure eruption
wave height
cave
39. A large & basin-shaped volcanic depression & more or less circular in form. Typically steep-sided & found at the summit of a shield volcano.
Proxima Centauri
groin
caldera
marine Chronometer
40. A delta formed at both sides of a tidal inlet.
biogenic sedimentary rock
equinox
nonfoliated
tidal delta
41. Uranus is named after the Roman god of the sky. It is the seventh planet from the Sun.
Uranus
legend
drift
greenhouse gases
42. The processes (mechanical and chemical) responsible for the wearing away & loosening & and dissolving of materials of the Earth's crust.
erosion
habitat
deflation
Andromeda
43. 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.
water table
anemometer
continental rise
Hadean
44. A dense & hot (sometimes incandescent) cloud of volcanic ash and gas produced in a Pelean eruption.
absolute time
natural resources
nuee ardente
wave length
45. The processes of weathering by which physical actions such as frost wedging break down a rock into fragments & involving no chemical change.
disintegration (mechanical weathering)
terrestrial
p- wave (primary wave & compressional wave)
rift (graben)
46. The solid innermost part of the core with a diameter of a little over 1 &200 km.
rain shadow deserts
inner core
constellation
baseline study
47. A process of erosion in which wind carries off particles of dust and sand.
drift
salinization
deflation
aquatic
48. A major drainage divide separating the drainage to one ocean from another.
clast
continental divide
Paleozoic
legend
49. A cavity in a lava & formed by the entrapment of a gas bubble during solidification of the lava.
continental crust
reservoir rock
vesicle
Precambrian
50. The straightening and/or deepening of a river channel.
channelization
precipitation
siltation
stratovolcano (composite volcano)
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