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Test your basic knowledge |
Earth Science
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Subject
:
science
Instructions:
Answer 50 questions in 15 minutes.
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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. As applied to glacier ice & the process by which ice below the snow line is wasted by evaporation and melting.
comet
ablation
ground water
collisional Boundary
2. The speed at which water flows.
erosion
current speed
open pit mining
divergent boundary
3. Ratio between weight of given volume of material and weight of equal volume of pure water.
ore
specific gravity
star
nebula
4. The area bordering a stream over which water spreads when the stream tops its channel banks.
ozone
crust
floodplain
resources
5. The chronological sequence of units of Earth time.
geologic time scale
storm surge
pipe
specific gravity
6. The two days of the year on which neither hemisphere is tilted toward or away from the sun.
equinox
climate
seismology
oxbow lake
7. The great circle on the Earth's surface passing through The North and South Poles & which is considered 0 degrees longitude. The prime meridian passes through Greenwich & England & and is used as a reference point for measuring longitude east and w
anemometer
clast
atmosphere
Prime Meridian
8. Pertaining to clastic material formed by volcanic explosion or aerial expulsion from a volcanic vent.
Modified Mercalli Scale
dust devil
pyroclastic
column
9. A layer of sedimentary rock; plural is strata.
fossil fuel
comet
stratum
legend
10. An isolated & steep-sided & rocky mass or island just offshore from a rocky headland & usually on a shore platform.
archaean
biogenic sedimentary rock
continental divide
seastack
11. A rock changed from its original form and/or composition by heat & pressure &shearing stress & or chemically active fluids & or some combination of them.
era
Pluto
metamorphic rock
stalactite
12. Large area of extremely flat ocean floor lying near a continent and generally over 4 km in depth.
tectonic Plates
abyssal plain
Gondwana
deposition
13. 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.
humus
seamount
nautical mile
Global Positioning System (GPS)
14. A pillar formed as a stalactite and stalagmite meet.
column
meander
pipe
drainage basin
15. A supercontinent that existed from the Jurassic to Early Tertiary after splitting from Pangea; composed of Laurentia & Baltica & Avalonia & (modern North America & Scandinavia & Greenland & Western and Central Europe); eventually fragmented into Eur
Laurasia
current speed
cinder cone
transcontinental
16. 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 &
particulate air pollution
Gondwana
Modified Mercalli Scale
abyssal plain
17. A device containing a free-swinging magnetic needle that is attracted to Earth's magnetic North Pole. Used to determine direction of travel.
pollutant
oal
wave crest
compass
18. Evidence in rock of the presence of past life & such as a dinosaur bone & an ancient clam shell & or the footprint of a long-extinct animal as well as life history artifacts.
ecosystem
fossil
period
floodplain
19. The resistance of a mineral to scratching & as measured by the Mohs scale.
biogenic sedimentary rock
hardness
back swamp
pipe
20. Any natural concentration of a valuable material in the Earth's crust & whether that material can be extracted profitably or not.
bedrock
mineral deposit
scour
transform boundary
21. The part of the crust that directly underlies the continents and continental shelves. Averages about 35 km in thickness & but may be over 70 km thick under largest mountain ranges.
outcrop
kettle
igneous rock
continental crust
22. The direction & north (normal) or south (reversed) & that a magnetic compass needle points.
levees
magnetic polarity
mid-ocean ridges
you-shaped valley
23. A vent in the surface of the Earth & from which lava & ash & and gases erupt.
hardness
chlorofluorocarbons (CFC's)
ground water
volcano
24. The acidity in rain due to gases from internal combustion engines and coal- and oil-burning power plants.
pothole
telescope
acid rain
archaean
25. The vertical distance between the crest and adjacent trough of a wave.
wave height
ice shelf
ore deposit
quarrying
26. A segment of an active fault zone that has not experienced a major earthquake during a time period when most other segments of the zone have. They are generally regarded as having a higher potential for future earthquakes.
geologic time scale
continental slope
seismic gap
seamount
27. Property possessed by certain rocks of breaking with relative ease along parallel planes or nearly parallel surfaces in their crystal structures where the bonds are weakest.
Andromeda
vesicle
cleavage
beach
28. He area from which a stream and its tributaries receives its water.
gemstone
permafrost
drainage basin
orogeny
29. The Sun with all the celestial bodies that revolve around it.
pipe
continental shelf
solar system
continent
30. The tendency of a moving object to continue in a straight line or a stationary object to remain in place.
silicate
wave crest
inertia
tidal inlet
31. 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.
stratum
moraine
habitat
humus
32. A stone or boulder & glacially transported from place of origin and left in an area of different bedrock composition.
hardness
aa
erratic
biogenic sedimentary rock
33. A mound or ridge of sediment deposited by a glacier.
Prime Meridian
groundtruthing
compression fossil
moraine
34. 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.
Galileo
waterfall
sand dune
chalk
35. The part of the crust that directly underlies the continents and continental shelves. Averages about 35 km in thickness & but may be over 70 km thick under largest mountain ranges.
continental crust
plain
archaean
Copernicus & Nicholas
36. The closest star to Earth besides the sun. It is approximately 4 light years away.
p- wave (primary wave & compressional wave)
Proxima Centauri
drought
glaciation
37. A general term including both oil and natural gas.
petroleum
granitic
Prime Meridian
geologic column
38. 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.
magnetic equator
lava dome
fluctuate
continental rise
39. The environment where a particular plant or animal is normally found.
acid rain
ground water
floodplain
habitat
40. The transformation of a soil from a solid to a liquid state as the result of increased pore pressure.
cementation
extrusive
basaltic
liquefaction
41. A minor tremor that precedes an earthquake. An increase in seismicity may signal that a major release of strain energy is about to occur.
foreshock
continental rise
Jupiter
suspended load
42. Uranus is named after the Roman god of the sky. It is the seventh planet from the Sun.
lava flood (plateau basalt)
Uranus
drainage basin
hardpan
43. Heat transport by moving particles & and the thermal energy that they carry & to a new location.
convection
epicenter
clastic
groove
44. Mountains & characterized by extensive folding and thrust faulting & that form at convergent plate boundaries on continents.
fold and thrust mountains
rockfall
soil
Global Positioning System (GPS)
45. The line formed by the intersection of the axial plane of a fold with a bedding plane & marking where the bed shows its maximum curvature.
storm surge
axis
archipelago
cementation
46. The rock beneath the soil.
strip mining
pothole
bedrock
clast
47. The straightening and/or deepening of a river channel.
clastic
channelization
nutrient
ground water
48. A conical volcano formed by the accumulation of pyroclastic debris around a vent.
sediment
continent
cinder cone
acid
49. A waterway from open ocean into a lagoon.
tidal inlet
p- wave (primary wave & compressional wave)
cartographer
universe
50. The internal resistance to flow in a liquid.
abundant metal
suspension
igneous rock
viscosity
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