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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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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 solid innermost part of the core with a diameter of a little over 1 &200 km.
chemical sedimentary rock
pipe
inner core
bedrock
2. A geometrical form taken by a mineral & giving external expression to orderly internal atomic arrangement.
nova -- (Supernova)
water clarity
compass Rose
crystal
3. The geologic eon lying between the Archean and Phanerozoic eons & beginning about 2.5 billion years ago and ending about 0.57 billion years ago.
humus
Proterozoic
metamorphic rock
focus
4. Objects revolving around the sun that are too small and too numerous to be considered planets.
black smoker
magnetic equator
asteroid
chemical sediment
5. A vertical conduit through the Earth's crust below a volcano & through Which magma has passed.
pipe
mid-ocean ridges
oceanic crust
biogenic sedimentary rock
6. 1. Breach in a natural levee . 2. Deep crevice or open fracture in glacier ice.
crevasse
deflation
tidal delta
fetch
7. A large area with common features that set it apart from other areas.
quarrying
sedimentary rock
isostatic change in sea level
region
8. A general term including both oil and natural gas.
crystal
ore
petroleum
cave
9. (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.
El Nino
continental divide
Paleozoic
Venus
10. The rise and fall of sea level caused by the gravitational pull of the Sun and Moon on the Earth.
Earth
resources
tide
water table
11. The direction & north (normal) or south (reversed) & that a magnetic compass needle points.
magnetic polarity
reservoir rock
ablation
watershed
12. A group of stars that appear to make a pattern in the sky. The Big Dipper is a constellation.
cleavage
continent
magnetic equator
constellation
13. The tendency of a moving object to continue in a straight line or a stationary object to remain in place.
archaean
intertidal zone
inertia
continental shelf
14. Water beneath the Earth's surface.
equinox
ground water
period
marine Chronometer
15. 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.
seismograph
Mercury
fold
denudation
16. Sediment formed by chemical precipitation from water. Example: halite precipitated as the result of the evaporation of sea water.
moon
liquefaction
chemical sediment
subtropical deserts
17. An area of land that delivers runoff water & sediment & and dissolved substances to surface water bodies & such as rivers or lakes. All watersheds consist of boundaries & a basin and collection areas.
watershed
steppe
precipitation
zone of leaching
18. A type of thermal spring which ejects water intermittently with considerable force.
fold and thrust mountains
back swamp
geyser
drainage basin
19. 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.
Phanerozoic
humus
deflation
ecosystem
20. 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 &
oceanic trench
Gondwana
Phanerozoic
equator
21. An instrument that detects & magnifies & and records vibrations of the Earth & especially earthquakes.
seismograph
Gondwana
tectonic Plates
geyser
22. Living parts of the environment that can renew or replace themselves.
constellation
renewable resources
fringing reef
metamorphic rock
23. Any accumulation of material & by settling from water or air & chemical precipitation & evaporation from solution & etc.
beach
intrusive
deposition
seismic sea wave (tsunami)
24. The closest star to Earth besides the sun. It is approximately 4 light years away.
Venus
rainforest
El Nino
Proxima Centauri
25. A rock that has crystallized from a molten state.
meteoroid
Precambrian
igneous rock
Andromeda
26. A type of volcanic eruption characterized by nuees ardentes and the development of lava domes.
continental slope
mineral deposit
primary productivity
Pelean eruption
27. A sharp bend & loop or turn in a stream's course. When abandoned & it is called a meander scar or an oxbow.
basalt
meander
Milky Way
El Nino
28. A plate boundary in which plates on opposite sides of the boundary move past each other in opposite directions. The San Andreas fault of California is a good example.
transform boundary
ecosystem
streak
snow line
29. Mountains & characterized by extensive folding and thrust faulting & that form at convergent plate boundaries on continents.
fold and thrust mountains
striations
tide
nonfoliated
30. The speed at which water flows.
asteroid
current speed
core
latitude
31. Any porous and permeable rock that yields oil or natural gas.
reservoir rock
sinkhole
epoch
channelization
32. Any place where bedrock is visible on the surface of the Earth.
sedimentary rock
seafloor spreading
stratification
outcrop
33. Any solid material that has settled out of a state of suspension in liquid.
petroleum
sediment
rock cycle
deflation
34. A narrow strip of land that has water on either side and connects two larger bodies of water.
crater
striations
isthmus
volcanic ash
35. 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.
scour
wave length
seismic gap
gemstone
36. The partial or complete blocking from view of one object by another.
breakwater
decomposition (chemical weathering)
eclipse
Earth
37. A detailed mathematical description of the cause-and-effect relationships between events that can be used to predict or explain other such events.
scientific model
levees
deflation
El Nino
38. A small ice sheet.
magnetic polarity
icecap
foliated
pollutant
39. The precipitation that runs directly off the surface to stream or body of standing water.
legend
marine Chronometer
runoff
reserves
40. Swamp that forms in the low lying flood plain behind a levee.
black hole
back swamp
suspended load
rift (graben)
41. To change back and forth uncertainly.
fluctuate
archaean
Earth system
till (unstratified drift)
42. Heat transport by direct transfer of energy from one particle to another & without moving the particle to a new location.
runoff
conduction
suspended load
magnitude
43. The naturally occurring material from which a mineral or minerals of economic value can be extracted at a profit.
transform boundary
ore
rift (graben)
basaltic
44. A glaciated valley now flooded by the sea.
cartographer
striations
fjord
universe
45. 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.
continental shelf
petroleum
outer core
hemisphere
46. Turbulent stream water flow down a steep gradient & but not as steep as in a waterfall.
fjord
rapids
Modified Mercalli Scale
aftershock
47. A large ridge or mound-like structure within a body of water that is built by calcareous organisms such as corals & red algae & and bivalves.
shield volcano
reef
eclipse
nutrient
48. A downward distortion or dimple in the water table that forms as a well pumps water faster than it can flow through the aquifer.
chlorophyll
Modified Mercalli Scale
breakwater
cone of depression
49. Deserts in zones of descending air between 25 degrees and 30 degrees north and south latitude.
strip mining
glaciation
renewable resources
subtropical deserts
50. A depression in the ground formed by the melting of a block of glacier ice buried or partially buried by drift.
kettle
Pluto
gemstone
reserves
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