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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. A floating ice sheet extending across water from a land-based glacier.
weathering
rockslide (rock avalanche)
ice shelf
swells
2. The area bordering a stream over which water spreads when the stream tops its channel banks.
floodplain
plutonic
rift (graben)
conduction
3. A sharp bend & loop or turn in a stream's course. When abandoned & it is called a meander scar or an oxbow.
biogenic sedimentary rock
meander
s- wave (secondary wave & shear wave)
barrier reef
4. The environment where a particular plant or animal is normally found.
habitat
Mesozoic
creep
seamount
5. The average weather conditions of an area over many years & as measured by temperature & wind speed & and precipitation.
basalt
magnitude
climate
oxbow lake
6. A roughly circular reef with an occasional small & low & coral sand island surrounding a shallow lagoon.
isostasy
viscosity
atoll
basaltic
7. Igneous. Antonym of intrusive. Synonym of volcanic. Pertaining to igneous rocks or features formed from lava released on the Earth's surface.
sextant
extrusive
soil
cone of depression
8. A vent in the surface of the Earth & from which lava & ash & and gases erupt.
compass Rose
granitic
secchi disk
volcano
9. Large area of extremely flat ocean floor lying near a continent and generally over 4 km in depth.
region
solar system
abyssal plain
renewable resources
10. A collection of maps.
atlas
Proxima Centauri
delta
foliated
11. Verifying assessments made from satellite data by doing direct & 'on-the ground' measurements.
glaciation
groundtruthing
glacier
mesosphere
12. The relationship between distances in the area being mapped and distances in the map itself.
pollutant
scale
Proterozoic
basaltic
13. A mass of ice & formed by the recrystallization of snow & that flows forward & or has flowed at some time in the past.
hydrologic cycle
Greenhouse Effect
wave length
glacier
14. The process of removing metal from ore.
scientific model
mineral
smelting
volcanic ash
15. A deposit of partly decayed plant remains in a very wet environment; marsh or swamp deposit of plant remains containing more than 50 percent carbon.
fissure eruption
peat
Copernicus & Nicholas
ozone layer
16. The naturally occurring material from which a mineral or minerals of economic value can be extracted at a profit.
ground water
ore
pyroclastic
elevation
17. The physical & chemical & and biological processes by which rock at or near the Earth's surface is broken down into smaller pieces.
intrusive
weathering
pollutant
glaciation
18. Objects revolving around the sun that are too small and too numerous to be considered planets.
till (unstratified drift)
asteroid
runoff
fossil fuel
19. A division of geologic time next shorter than a period. Example: the Pleistocene epoch is in the Quaternary period.
nonfoliated
flash flood
ore deposit
epoch
20. 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.
cave
drought
El Nino
geyser
21. A narrow & steep-walled depression in the ocean floor & much deeper than the adjacent ocean and associated with a subduction zone.
silicate
steppe
oxbow lake
trench
22. A group of stars that appear to make a pattern in the sky. The Big Dipper is a constellation.
spring
Pelean eruption
fault
constellation
23. Pertaining to clastic material formed by volcanic explosion or aerial expulsion from a volcanic vent.
surf
pyroclastic
drainage basin
swash and back wash
24. 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.
beach
fossil
trench
dust devil
25. An area subject to dust storms & especially south central United States .
dust bowl
stratum
salinization
petroleum
26. The elevation at which snow persists throughout the year.
siltation
compression fossil
snow line
precipitation
27. Weathering processes that are the result of chemical reactions. Example: the transformation of orthoclase to kaolinite.
outcrop
salinity
decomposition (chemical weathering)
icecap
28. A large amount of gas and dust in space & spread out in an immense volume.
renewable resources
resources
casts
nebula
29. A depression in the ground formed by the melting of a block of glacier ice buried or partially buried by drift.
kettle
volcanic
sediment
constellation
30. Destruction of the ozone layer caused by the release of CFC's (chlorofluorocarbons) into the atmosphere which react chemically with ozone and break it down into different gases.
ozone depletion
oceanic trench
continental slope
seismic gap
31. Any porous and permeable rock that yields oil or natural gas.
primary productivity
reservoir rock
subduction
atoll
32. A statement of relative age in layered rocks: In a series of sedimentary rocks that has not been overturned & the topmost layer is always the youngest and the bottommost layer is always the oldest.
clast
superposition
transform boundary
seismic sea wave (tsunami)
33. A broad & deep & generally straight furrow carved in bed rock by the abrasive action of debris embedded in a moving glacier. Larger and deeper than a glacial striation.
groove
boundary
Precambrian
continental slope
34. The tendency of a moving object to continue in a straight line or a stationary object to remain in place.
meander
inertia
particulate air pollution
Pluto
35. The distance light travels through a vacuum in one year.
discharge
salinization
light-year
geologic time scale
36. Sediment formed by chemical precipitation from water. Example: halite precipitated as the result of the evaporation of sea water.
cave
drainage divide
vesicle
chemical sediment
37. Containing moisture.
viscosity
decomposition (chemical weathering)
triangulation
humid
38. A volcanic mountain on the seafloor. If flat-topped & it is a guyot.
swells
seamount
isostasy
ozone
39. The relationship between distances in the area being mapped and distances in the map itself.
solar system
light-year
nonfoliated
scale
40. The Earth's crust underlying the ocean basins which is formed at mid-oceanic ridges. It is typically 5 to 10 kilometers thick composed of basalt.
fossil
sandstorm
petroleum
oceanic crust
41. A narrow strip of land that has water on either side and connects two larger bodies of water.
longitude
terrestrial
isthmus
biogenic sediment
42. A commonly used measure of earthquake magnitude & based on a logarithmic scale. Each integral step on the scale represents a tenfold increase in the extent of ground shaking & as recorded on a seismograph.
period
striations
Pangea
Richter scale
43. Glacial drift composed of rock fragments that range from clay to boulder size and randomly arranged without bedding.
till (unstratified drift)
oxbow
metamorphic rock
tectonic Plates
44. 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
rain shadow deserts
hardpan
scale
Pangea
45. All unconsolidated materials above bedrock. Natural earthy materials on the Earth's surface & in places modified or even made by human activity & containing living matter & and supporting or capable of supporting plants out of doors.
surf
soil
groove
estuary
46. The partial or complete blocking from view of one object by another.
liquefaction
tidal inlet
mineral
eclipse
47. A tool for measuring the relative clarity of water.
water clarity
secchi disk
glacier
Pangea
48. A major drainage divide separating the drainage to one ocean from another.
trench
triangulation
continental divide
magnitude
49. 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
base
Richter scale
reservoir rock
50. The most recent eon of geologic time beginning 570 million years ago and continuing to the present.
seafloor spreading
Phanerozoic
neptune
groove
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