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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 vent in the surface of the Earth & from which lava & ash & and gases erupt.
volcano
Pillow Lava
pollutant
fossil fuel
2. Any place where bedrock is visible on the surface of the Earth.
archaean
outcrop
lithification
suspended load
3. That part of the continental margin that lies between the continental shelf and the continental rise. Slope relatively steep & 3o - 6o. The continental slope is underlain by crustal rocks of the continent.
continental slope
fold and thrust mountains
archaean
Saturn
4. A depression in the ground formed by the melting of a block of glacier ice buried or partially buried by drift.
fjord
nautical mile
kettle
period
5. 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.
landforms
Venus
resources
crust
6. A stone or boulder & glacially transported from place of origin and left in an area of different bedrock composition.
focus
erratic
stratum
breakwater
7. An atmospheric shield providing the Earth with protection from ultra-violet rays which can cause sun burn & skin cancer and the destruction of the delicate plant life which supports the planet's food chain.
drainage divide
fluctuate
ozone layer
column
8. 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.
beach
estuary
levees
pollutant
9. A time of unusual winds and currents in the Pacific Ocean . El Nino generally causes warmer-than-normal sea surface temperatures and increased rainfall and storm activity.
fissure eruption
lava dome
El Nino
epoch
10. 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.
zone of saturation
Galileo
mid-ocean ridges
bar
11. Produced as a wave steepens and falls forward as the wave nears the shore.
surf
collisional Boundary
marine Chronometer
nautical mile
12. 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.
sedimentary rock
plutonic
ozone layer
lava flood (plateau basalt)
13. A worldwide change in sea level & such as caused by melting glaciers.
precipitation
open pit mining
eustatic change in sea level
fetch
14. A person who makes maps.
glaciation
core
fault
cartographer
15. The process by which an unconsolidated deposit of sediments is converted in to solid rock.
solstice
lithification
core
oal
16. Property possessed by certain rocks of breaking with relative ease along parallel planes or nearly parallel surfaces in their crystal structures where the bonds are weakest.
urban
cleavage
sedimentary rock
nuee ardente
17. A Hawaiian term for a lava flow that has a rough & jagged surface.
swells
aa
open pit mining
conduction
18. Mars is named after the Roman god of war. It is the fourth planet from the Sun.
abyssal plain
Mars
focus
triangulation
19. The low spot between two successive waves.
coast
rock
wave trough
weathering
20. A measure of acidity.
deflation
fold
biogenic sedimentary rock
pH
21. Objects revolving around the sun that are too small and too numerous to be considered planets.
Sun
pH
asteroid
asthenosphere
22. A Hawaiian term for a basaltic lava flow with a smooth & or ropy surface.
specific gravity
pahoehoe
fracture
isostasy
23. The level of light that penetrates through water.
seismic sea wave (tsunami)
water clarity
jetty
runoff
24. The internal resistance to flow in a liquid.
light-year
Uniformitarianism
viscosity
epicenter
25. The region of a shore that is covered at high tide and exposed at low tide.
intertidal zone
isostatic change in sea level
atmosphere
drift
26. The concept of a sequence of events involving the formation & alteration & destruction and reformation of rocks as a result of geologic processes.
core
seismic sea wave (tsunami)
rock cycle
spring
27. A type of disintegration in which jointed rock is forced apart by the expansion of water as it freezes in fractures.
arid
frost wedging
epoch
magma
28. The closest star to Earth besides the sun. It is approximately 4 light years away.
discharge
wave trough
nautical mile
Proxima Centauri
29. A layer of sedimentary rock; plural is strata.
moraine
rock
stratum
orogeny
30. A floating ice sheet extending across water from a land-based glacier.
urban
ozone depletion
ice shelf
plate
31. The principle that states the processes operating to change the Earth in the present also operated in the past.
atmosphere
aquifer
Precambrian
Uniformitarianism
32. 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.
subduction zone
groove
silicate
Andromeda
33. The galaxy where Earth is located.
oal
Milky Way
petroleum
peat
34. A planetary satellite.
Continntal Drift Theory
collisional Boundary
oxbow
moon
35. An instrument that merely indicates the occurrence of an earthquake.
foreshock
seismic gap
salinization
seismoscope
36. A protective wall built offshore and usually parallel to the shore.
satellite
wave length
breakwater
lava
37. An artificial hill formed by the debris of successive human settlements.
tell
density
subduction zone
luster
38. The perpendicular or very steep descent of a stream.
dust bowl
waterfall
cementation
thermal spring
39. A river that is able to maintain its flow through a desert because of water received from outside the desert.
exotic river
cone of depression
equator
meteoroid
40. (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.
outer core
pipe
Venus
meteoroid
41. A small & dust-bearing whirlwind.
scientific model
dust devil
extrusive
runoff
42. The resistance of a mineral to scratching & as measured by the Mohs scale.
hardness
dust storm
conserve
tide
43. Highly mafic igneous volcanic rock & typically fine-grained and dark in color; rough volcanic equivalent of gabbro. Basalt is the most abundant volcanic rock in the Earth's crust.
liquefaction
chalk
basalt
steppe
44. Ratio between weight of given volume of material and weight of equal volume of pure water.
chalk
geothermal energy
ice sheet
specific gravity
45. Deposition of fine mineral particles (silt) on the beds of streams or lakes.
landforms
convection cell
siltation
rapids
46. A large volume of dust-sized particles lifted high into the atmosphere.
dust storm
plate boundaries
rock
sedimentary rock
47. Pertaining to or composed of granite & a coarse-grained igneous rock dominated by light-colored minerals & consisting of about 50 percent orthoclase & 25 percent quartz & and balance of feldspars and ferromagnesian silicates. Granite is commonly foun
spring
granitic
rift (graben)
sedimentary rock
48. Plutonic. Antonym of extrusive. Pertaining to igneous rocks or features formed by the emplacement of magma in pre-existing rocks.
intrusive
stormwater runoff
arid
dust bowl
49. An area subject to dust storms & especially south central United States .
reservoir rock
aquatic
ground moraine
dust bowl
50. Living in water.
aquatic
greenhouse gases
geyser
oceanic trench