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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. Refers to rock or sediments made up primarily of broken fragments of pre-existing rocks or minerals.
clastic
Mars
s- wave (secondary wave & shear wave)
legend
2. A stone or boulder & glacially transported from place of origin and left in an area of different bedrock composition.
erratic
dust bowl
column
discharge
3. A large & basin-shaped volcanic depression & more or less circular in form. Typically steep-sided & found at the summit of a shield volcano.
light-year
anemometer
caldera
fetch
4. A delta formed at both sides of a tidal inlet.
thrust fault
rockfall
Continntal Drift Theory
tidal delta
5. A natural open space underground & large enough for a person to enter. Most commonly occur by the dissolution of soluble rocks & generally limestone.
landforms
eustatic change in sea level
fissure eruption
cave
6. Open pit mining & typically for coal.
strip mining
Mesozoic
geologic column
Cenozoic
7. A conical volcano formed by the accumulation of pyroclastic debris around a vent.
fault
rift (graben)
cinder cone
nova -- (Supernova)
8. The outermost layer of the Earth & varying in thickness from about 10 kilometers (6 miles) below the oceans & to 65 kilometers (about 40 miles) below the continents; represents less than 1 percent of the Earth's volume.
granitic
foreshock
boundary
crust
9. A substance that produces negatively charged hydroxide ions ( OH- ) in water and reacts with acids to form salts.
chalk
base
seafloor spreading
ozone depletion
10. The surface between the zone of saturation and the zone of aeration.
Pelean eruption
chlorophyll
water table
chemical sedimentary rock
11. The production of living matter by organisms that make food using sunlight or chemicals. Usually expressed as grams of carbon per square meter per year.
primary productivity
compass Rose
Mercury
geologic column
12. A geometrical form taken by a mineral & giving external expression to orderly internal atomic arrangement.
crystal
weathering
tide
black smoker
13. 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.
seismic sea wave (tsunami)
swells
oxbow lake
zone of saturation
14. A narrow & elongate region in which one lithospheric plate descends relative to another.
continental crust
disintegration (mechanical weathering)
subduction zone
till (unstratified drift)
15. An astronomical instrument for measuring angles & primarily altitude of celestial bodies to determine latitude.
loess
longitude
groove
sextant
16. Any accumulation of material & by settling from water or air & chemical precipitation & evaporation from solution & etc.
arid
deposition
swells
viscosity
17. Applies to igneous rocks that cool on the surface of the Earth & including beneath water; typically with small crystals due to the rapidity of cooling. Synonym of extrusive. Antonym of plutonic.
open pit mining
cartographer
icecap
volcanic
18. The dust-sized & sharp-edged & glassy particles resulting from an explosive volcanic eruption.
volcanic ash
Jupiter
Hadean
Andromeda
19. An area subject to dust storms & especially south central United States .
foreshock
dust bowl
epoch
foliated
20. Bent rock strata.
rain shadow deserts
tidal inlet
fold
primary productivity
21. The zones of seismic activity long which plates are in contact.
pathogen
igneous rock
plate boundaries
focus
22. The internal resistance to flow in a liquid.
rapids
viscosity
stalagmite
gemstone
23. A famous scientist who proposed that the Sun was the center of the solar system not the Earth. (Heliocentrism)
channelization
groundtruthing
salinization
Copernicus & Nicholas
24. 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
crust
suspended load
lava lake
25. A measure of the strength of an earthquake based on the amount of movement recorded by a seismograph . compare Richter scale.
black smoker
lava
magnitude
meander
26. 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
moon
Laurasia
atlas
27. 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
peat
watershed
escarpment
28. The region of a shore that is covered at high tide and exposed at low tide.
scientific model
mineral
compass Rose
intertidal zone
29. The elevation at which snow persists throughout the year.
suspension
snow line
collisional Boundary
period
30. A system involving continuous interaction of the solid Earth & the atmosphere & the oceans and living things.
equinox
Earth system
stratification
till (unstratified drift)
31. The amount of material a stream carries in suspension.
suspended load
ecosystem
elevation
sand dune
32. A small & dust-bearing whirlwind.
dust devil
continental slope
suspended load
drainage basin
33. The method of locating an epicenter by determining how far it lies from three widely separated seismographs.
watershed
hardpan
superposition
triangulation
34. A vent in the surface of the Earth & from which lava & ash & and gases erupt.
luster
volcano
deposition
desertification
35. Deposits of wind-borne dust.
hardpan
loess
open pit mining
zone of leaching
36. Applies to igneous rocks that cool on the surface of the Earth & including beneath water; typically with small crystals due to the rapidity of cooling. Synonym of extrusive. Antonym of plutonic.
volcanic
moraine
atlas
barrier beaches
37. Weathering processes that are the result of chemical reactions. Example: the transformation of orthoclase to kaolinite.
decomposition (chemical weathering)
triangulation
Paleozoic
rockfall
38. A rock that has crystallized from a molten state.
ozone layer
anemometer
igneous rock
storm surge
39. The way in which a rock or mineral breaks in random patterns rather than cleaving
fracture
comet
ice sheet
bedrock
40. A planetary satellite.
viscosity
clastic
comet
moon
41. Lies half way between the north and south magnetic poles.
magnetic polarity
ground moraine
ozone
magnetic equator
42. The process by which a binding & or cementing & agent is precipitated in spaces among individual particles of a deposit. Common cementing agents are calcite & quartz & and dolomite.
cementation
convection cell
precipitation
elevation
43. That portion of the resources for a valuable mineral commodity that can be extracted from the Earth at a profit today.
asthenosphere
Cenozoic
eustatic change in sea level
reserves
44. A method of sediment transport in which the turbulence of a fluid is able to keep particles supported in the fluid.
caldera
suspension
climate
beach
45. A comet that passed Earth in 1997 and won't return to the inner solar system until the year 4377.
gravity
karst
Copernicus & Nicholas
Hale-Bopp
46. A substance that produces positively charged hydrogen ions (H+) when dissolved in water.
watershed
acid
landforms
collisional Boundary
47. 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.
stalactite
cleavage
ozone
magnitude
48. One of several rock-forming minerals that contain at least 95% silica (quartz). and usually one or more other common elements.
Earth
luster
silicate
fossil
49. A sedimentary rock composed of combustible matter derived from the partial decomposition of plant material.
oal
isostasy
fault
Saturn
50. The two days of the year on which the noon sun is directly overhead at either 23.5
global warming
solstice
Phanerozoic
seismograph