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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. A Hawaiian term for a lava flow that has a rough & jagged surface.
aa
karst
back swamp
conduction
2. Any porous and permeable rock that yields oil or natural gas.
chalk
reservoir rock
focus
fossil fuel
3. An informal term to include all geologic time from the beginning of the Earth to the beginning of the Cambrian period 570 million years ago.
drainage divide
inertia
Precambrian
ore deposit
4. Fossils formed when water containing minerals leaks into a mold. The minerals harden to form a copy of the original structure or organism.
basin
ablation
casts
magnetic pole
5. A building that contains one or more telescopes.
humus
basalt
comet
observator
6. The peak flow of water that tops the banks of a stream channel.
fault
flood
rift (graben)
ecosystem
7. A cyclical pattern of movement in a fluid body such as the ocean & the atmosphere & or the Earth's mantle & driven by density variations which in turn are the result of differences in temperature from one part of the fluid to another.
convection cell
drift
wave length
renewable resources
8. A broad & mound-like mass of glacier ice that usually spreads radially outward from a central zone.
orogeny
back swamp
ice sheet
seamount
9. The perpendicular or very steep descent of a stream.
neptune
waterfall
convection
pahoehoe
10. 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
crater
chalk
seismograph
rockfall
11. Refers to rock or sediments made up primarily of broken fragments of pre-existing rocks or minerals.
moraine
clastic
moon
volcanic ash
12. Scratches & or small channels & gouged by glacier action. Occur on boulders & pebbles & and bedrock. Striations along bedrock indicate direction of ice movement.
crater
specific gravity
Modified Mercalli Scale
striations
13. A comet that passed Earth in 1997 and won't return to the inner solar system until the year 4377.
ice sheet
ablation
Hale-Bopp
orogeny
14. Sediments produced directly by the life processes of plants or animals.
orogeny
cinder cone
biogenic sediment
particulate air pollution
15. Pertaining to clastic material formed by volcanic explosion or aerial expulsion from a volcanic vent.
Laurasia
hardpan
inner core
pyroclastic
16. The dust-sized & sharp-edged & glassy particles resulting from an explosive volcanic eruption.
volcanic ash
s- wave (secondary wave & shear wave)
stratum
telescope
17. Geologic time expressed in years before the present.
absolute time
aftershock
compaction
compass Rose
18. Turbulent stream water flow down a steep gradient & but not as steep as in a waterfall.
inertia
rapids
compaction
isostatic change in sea level
19. The persistence of wind-formed waves after wind ceases.
swells
convection cell
drought
Paleozoic
20. A large volume of dust-sized particles lifted high into the atmosphere.
convection cell
barrier reef
stratification
dust storm
21. A group of islands; an expanse of water with scattered islands.
Cenozoic
archipelago
arid
cinder cone
22. The height of a place above sea level.
elevation
lava dome
Laurasia
petroleum
23. 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.
atmosphere
groove
seismic gap
drift
24. A curved belt of volcanic islands lying above a subduction zone.
scour
comet
compression fossil
island arc
25. A reverse fault on which the dip angle of the fault plane is 15 degrees or less.
caldera
rift (graben)
atlas
thrust fault
26. An abandoned meander .
oxbow
Paleozoic
karst
ice shelf
27. Glacial deposits laid down directly by glaciers or laid down in lakes & ocean & or streams as result of glacial activity.
geyser
drift
wave trough
lava lake
28. The peak flow of water that tops the banks of a stream channel.
era
flood
storm surge
magnitude
29. The process by which an unconsolidated deposit of sediments is converted in to solid rock.
stratification
convection
lithification
ozone depletion
30. Distance over which wave-forming winds blow.
escarpment
fetch
jetty
pothole
31. 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.
soil
abundant metal
Pillow Lava
lava lake
32. The breaking away of ice from the front of the glacier when it ends in a lake or an ocean. Produces icebergs.
shore
seafloor spreading
calving
outcrop
33. The portion of the continental margin that extends as a gently sloping surface from the shoreline seaward to a marked change in slope at the top of the continental slope . Seaward depth averages about 130 m.
open pit mining
plate tectonics
axis
continental shelf
34. The symbol used on a map to indicate directions & both cardinal and ordinal.
compass Rose
asthenosphere
meander
pH
35. 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.
scour
ozone depletion
ground water
sod
36. A small & dust-bearing whirlwind.
basin
dust devil
Sun
current speed
37. Any porous and permeable rock that yields oil or natural gas.
latitude
reservoir rock
wave length
ore
38. The region of a shore that is covered at high tide and exposed at low tide.
nova -- (Supernova)
intertidal zone
reef
viscosity
39. A type of volcanic eruption characterized by nuees ardentes and the development of lava domes.
continent
Pelean eruption
Proterozoic
drainage divide
40. A sharp bend & loop or turn in a stream's course. When abandoned & it is called a meander scar or an oxbow.
petroleum
epoch
meander
siltation
41. The precipitation that runs directly off the surface to stream or body of standing water.
asthenosphere
lava dome
latitude
runoff
42. Banks of sand and silt along stream bank built by deposition in small increments during successive floods.
universe
suspended load
denudation
levees
43. A study designed to collect critical data to be used for comparison or as a control in a later study.
strip mining
p- wave (primary wave & compressional wave)
baseline study
geologic column
44. A flat & dry plain covered with short grass.
foliated
steppe
specific gravity
current speed
45. An eon of geologic time extending from about 3.9 billion years to 2.5 billion years ago.
archaean
sinkhole
landforms
escarpment
46. The process by which an unconsolidated deposit of sediments is converted in to solid rock.
lithification
wind farm
delta
peat
47. Mercury is named after the Roman messenger of the gods. It is the closest to the Sun.
density
delta
Mercury
solstice
48. The process of removing metal from ore.
abyssal plain
lava dome
smelting
geothermal energy
49. The line that separates one drainage basin from another.
drainage divide
plain
Pluto
salinization
50. Heat extracted from the Earth for use as an power source.
geothermal energy
glacier
rain shadow deserts
Paleozoic