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Test your basic knowledge |
Earth Science
Start Test
Study First
Subject
:
science
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
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 line that separates one drainage basin from another.
ecosystem
stratification
drainage divide
baseline study
2. Large area of extremely flat ocean floor lying near a continent and generally over 4 km in depth.
abyssal plain
breakwater
fossil fuel
terrestrial
3. To preserve & or to avoid wasteful use.
fossil
conserve
constellation
Saturn
4. A molecule composed of three atoms of oxygen and mostly found in the stratosphere. Though beneficial in the upper atmosphere & at ground level & ozone is called photochemical smog & and is a respiratory irritant and considered a pollutant.
orogeny
reservoir rock
liquefaction
ozone
5. Heat extracted from the Earth for use as an power source.
continental divide
magma
geothermal energy
ore
6. Long narrow beaches separated in many places from the mainland by lagoons.
eustatic change in sea level
barrier beaches
isostasy
comet
7. The resistance of a mineral to scratching & as measured by the Mohs scale.
aquifer
hardness
lahar
groin
8. All of space and everything in it.
mid-ocean ridges
universe
secchi disk
ice shelf
9. The accumulation of material in layers or beds.
continent
Sun
stratification
tectonic Plates
10. A curved belt of volcanic islands lying above a subduction zone.
seismoscope
scour
continent
island arc
11. A chuck of rock or dust in space.
cone of depression
meteoroid
wave height
mid-ocean ridges
12. Either the northern or southern half of the Earth as divided by the equator & or the eastern or western half as divided by a meridian.
shoreline
foliated
bar
hemisphere
13. 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.
fold
rock
oceanic crust
aquifer
14. A steep or vertical cliff & either above or below sea level.
plate
fracture
escarpment
cleavage
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.
sextant
chalk
primary productivity
core
16. A flood that rises and falls very rapidly.
lithosphere
estuary
flash flood
reservoir rock
17. A vent in the surface of the Earth & from which lava & ash & and gases erupt.
volcano
ore
Modified Mercalli Scale
stormwater runoff
18. The seaward edge of coast between low tide and effective wave action.
vesicle
till (unstratified drift)
shore
sod
19. A large area of flat or nearly flat land.
era
waterfall
plain
beach
20. Long narrow beaches separated in many places from the mainland by lagoons.
barrier beaches
elevation
s- wave (secondary wave & shear wave)
steppe
21. 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.
outer core
ice sheet
clastic
pollutant
22. 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.
island arc
observator
reservoir rock
ozone depletion
23. A division of geologic time next shorter than a period. Example: the Pleistocene epoch is in the Quaternary period.
metamorphic rock
continental crust
epoch
Proterozoic
24. The rock beneath the soil.
constellation
luster
bedrock
crust
25. Scratches & or small channels & gouged by glacier action. Occur on boulders & pebbles & and bedrock. Striations along bedrock indicate direction of ice movement.
striations
stratovolcano (composite volcano)
Earth system
gravity
26. The point on the Earth's surface where a magnetic needle points vertically downward (north magnetic pole) or vertically upward (south magnetic pole).
meteoroid
cinder cone
fjord
magnetic pole
27. A broad & mound-like mass of glacier ice that usually spreads radially outward from a central zone.
ice sheet
geology
chemical sediment
pahoehoe
28. Distance over which wave-forming winds blow.
aquifer
cementation
archaean
fetch
29. A valley carved by glacier erosion and whose cross-valley profile has steep sides and a nearly flat floor & suggestive of a large letter 'you'.
you-shaped valley
latitude
island arc
delta
30. A collection of maps.
plutonic
asteroid
atlas
Richter scale
31. 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.
seafloor spreading
rockslide (rock avalanche)
hardpan
telescope
32. 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.
region
ozone depletion
s- wave (secondary wave & shear wave)
ground moraine
33. The partial or complete blocking from view of one object by another.
aquifer
natural resources
core
eclipse
34. A disease-causing organism or entity & such as a bacterium or virus.
erosion
floodplain
global warming
pathogen
35. A ball of ice and dust & whose orbit is a long & narrow ellipse.
rainforest
compression fossil
comet
basalt
36. A unit of length used in sea navigation based on the length of 1 minute of arc on a great circle. On Earth & 1 minute of latitude.
nautical mile
continental divide
magnetic equator
hot spot
37. The zones of seismic activity long which plates are in contact.
pH
hardness
core
plate boundaries
38. The theory of Plate Tectonics states that the Earth's crust is fragmented into a dozen or more large and small pieces floating on a semi-molten mantle.
rapids
plate tectonics
rock cycle
fissure eruption
39. A mass of ice & formed by the recrystallization of snow & that flows forward & or has flowed at some time in the past.
scale
glacier
biogenic sedimentary rock
water clarity
40. 1. A steep-walled & usually conical depression at the summit or on the flanks of a volcano & resulting from the explosive ejection of material from a vent. 2. A bowl-shaped depression with a raised & overturned rim produced by the impact of a meteori
orogeny
Gondwana
desertification
crater
41. A river that is able to maintain its flow through a desert because of water received from outside the desert.
arid
exotic river
sod
geothermal energy
42. An area where fresh water comes into contact with seawater & usually in a partly enclosed coastal body of water; a mix of fresh and salt water where the current of a stream meets the tides.
estuary
basin
hardpan
tidal inlet
43. 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.
reef
crust
light-year
nutrient
44. A geometrical form taken by a mineral & giving external expression to orderly internal atomic arrangement.
mid-ocean ridges
watershed
crystal
rainforest
45. 1. A mass of sand & gravel & or alluvium deposited on the bed of a stream & sea & or lake & or at the mouth of a stream 2. A unit of pressure & approximately equal to atmospheric pressure at sea level.
nautical mile
tectonic Plates
bar
subduction zone
46. The areas of & in & or constituting a city.
plate
sedimentary rock
urban
seismic sea wave (tsunami)
47. The process of removing metal from ore.
Proxima Centauri
smelting
fold
zone of aeration
48. A sedimentary rock made up of chemical sediments. Example: rock salt.
chemical sedimentary rock
barrier reef
wave crest
magnetic polarity
49. 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.
beach
lava
Hale-Bopp
oceanic crust
50. A rigid segment of the Earth's lithosphere that moves horizontally and adjoins other plates along zones of seismic activity. Plates may include portions of both continents and ocean basins.
Uniformitarianism
particulate air pollution
plate
scale