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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. Deep steep-sided depression in the ocean floor caused by the subduction of oceanic crust beneath either other oceanic crust or continental crust.
outer core
biogenic sedimentary rock
suspension
oceanic trench
2. A measure of the strength of an earthquake based on the amount of movement recorded by a seismograph . compare Richter scale.
magnitude
rock
body wave
natural resources
3. The resistance of a mineral to scratching & as measured by the Mohs scale.
hardness
stratum
ground water
landforms
4. A spring whose temperature is 6.5o C or more above mean annual air temperature.
plate
thermal spring
lava
magnetic equator
5. A minor tremor that precedes an earthquake. An increase in seismicity may signal that a major release of strain energy is about to occur.
nautical mile
foreshock
seismoscope
groove
6. 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.
nautical mile
reserves
deflation
gemstone
7. Rock formed from the accumulation of sediment & Which may consist of fragments and mineral grains of varying sizes from pre-existing rocks & remains or products of animals and plants & the products of chemical action & or mixtures of these.
superposition
sedimentary rock
chemical sedimentary rock
wind farm
8. The remains of an extremely massive star pulled into a small volume by the force of gravity.
latitude
black hole
pH
levees
9. A large amount of gas and dust in space & spread out in an immense volume.
nebula
Sun
neptune
Proxima Centauri
10. The layer of gases (air) & that surrounds a planet or moon.
atmosphere
swells
dust devil
pathogen
11. A process of erosion in which wind carries off particles of dust and sand.
axis
arch
deflation
oxbow lake
12. 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.
era
plate
seafloor spreading
outer core
13. A large volume of dust-sized particles lifted high into the atmosphere.
ice sheet
water table
continent
dust storm
14. Heat transport by direct transfer of energy from one particle to another & without moving the particle to a new location.
jetty
universe
Hadean
conduction
15. Similar to a groin but built to keep sand out of a harbor entrance.
intrusive
jetty
light-year
moon
16. A type of thermal spring which ejects water intermittently with considerable force.
geyser
shoreline
climate
Uranus
17. Where two plates collide to form mountains.
collisional Boundary
Pluto
Mercury
atmosphere
18. 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
legend
Prime Meridian
crust
renewable resources
19. A measure of the size of an earthquake in terms of the damage it causes.
deflation
resources
intensity
calving
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 &
Gondwana
marine Chronometer
geothermal energy
Milky Way
21. 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.
geothermal energy
chalk
Pangea
tidal inlet
22. Of or relating to or containing basalt & a dark & dense & extrusive rock that has a silica content of 40% to 50% and makes up most of the ocean floor.
lava dome
basaltic
ecosystem
gemstone
23. Gases that can be dissociated by solar radiation & which releases chlorine & which in turn destroys ozone.
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24. Containing moisture.
humid
ecosystem
cementation
weathering
25. A building that contains one or more telescopes.
strip mining
extrusive
observator
swash and back wash
26. 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.
glaciation
continent
seismic sea wave (tsunami)
Gondwana
27. Any solid material that has settled out of a state of suspension in liquid.
sediment
urban
lithosphere
watershed
28. An instrument used to measure the speed of wind.
anemometer
sextant
geology
glaciation
29. A landscape that develops from the action of ground water in areas of easily soluble rocks. It is usually characterized by caves & underground drainage and sinkholes.
karst
intensity
Phanerozoic
clast
30. Lies half way between the north and south magnetic poles.
reservoir rock
Proxima Centauri
waterfall
magnetic equator
31. 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
smelting
resources
Andromeda
deposition
32. The amount of material a stream carries in suspension.
sinkhole
suspended load
lava lake
pathogen
33. Heat extracted from the Earth for use as an power source.
star
sandstorm
floodplain
geothermal energy
34. The accumulation of material in layers or beds.
stratification
waterfall
salinity
galaxy
35. Temporary accumulations of sediments that collect between low and high water marks.
ozone depletion
absolute time
beach
seismology
36. The process by which ocean floors spread laterally from crests of main ocean ridges. As material moves laterally from the ridge & new material replaces it along the ridge crest by welling upward from the mantle.
oceanic crust
lithosphere
Pelean eruption
seafloor spreading
37. A period of dryness & that when prolonged & causes damage to crops; a shortage of water.
meteoroid
collisional Boundary
drought
glacier
38. An artificial hill formed by the debris of successive human settlements.
deposition
transcontinental
tell
chalk
39. The breaking away of ice from the front of the glacier when it ends in a lake or an ocean. Produces icebergs.
calving
mantle
black hole
igneous rock
40. 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.
sediment
jetty
ozone depletion
subtropical deserts
41. Materials that are found in nature that are useful or necessary for people to live.
natural resources
biogenic sediment
sedimentary rock
black hole
42. A hot & gaseous & self-luminous celestial body & as the Sun.
barrier beaches
star
trench
cave
43. The relationship between distances in the area being mapped and distances in the map itself.
subduction
viscosity
scale
epicenter
44. Plutonic. Antonym of extrusive. Pertaining to igneous rocks or features formed by the emplacement of magma in pre-existing rocks.
ozone
inertia
universe
intrusive
45. Living parts of the environment that can renew or replace themselves.
acid rain
zone of aeration
cave
renewable resources
46. 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.
reservoir rock
eustatic change in sea level
wave crest
fossil
47. The line separating land and water.
crater
pahoehoe
shoreline
plate boundaries
48. 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.
axis
Phanerozoic
karst
calving
49. He area from which a stream and its tributaries receives its water.
drainage basin
clast
precipitation
wind farm
50. The persistence of wind-formed waves after wind ceases.
magnetic pole
flash flood
eon
swells
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