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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. To preserve & or to avoid wasteful use.
erratic
magnetic polarity
glacier
conserve
2. A broad & mound-like mass of glacier ice that usually spreads radially outward from a central zone.
moraine
plutonic
hemisphere
ice sheet
3. The generally dark & more or less stable part of the organic matter in a soil & so well decomposed that the original sources cannot be identified.
cartographer
humus
crust
arid
4. Jupiter is named after the Roman king of the gods. It is the fifth planet from the Sun.
wave length
shoreline
Jupiter
scour
5. Till deposited from main body of glacier during ablation.
primary productivity
gemstone
ground moraine
atmosphere
6. Bent rock strata.
humus
superposition
Cenozoic
fold
7. Deposits of wind-borne dust.
eon
loess
constellation
sod
8. The seaward edge of coast between low tide and effective wave action.
Continntal Drift Theory
Galileo
shore
convergent boundary
9. 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.
plate tectonics
oceanic crust
glacier
region
10. Water that flows across watersheds during and immediately after severe rainstorms. In populated areas & stormwater runoff is often water that cannot be handled by existing sewer systems. Stormwater runoff is the leading source of water pollution in t
crust
habitat
stormwater runoff
drainage divide
11. Deserts in zones of descending air between 25 degrees and 30 degrees north and south latitude.
discharge
chemical sedimentary rock
hardpan
subtropical deserts
12. The areas of & in & or constituting a city.
Galileo
urban
rock cycle
El Nino
13. Mountains & characterized by extensive folding and thrust faulting & that form at convergent plate boundaries on continents.
stratovolcano (composite volcano)
Saturn
fold and thrust mountains
peat
14. The very small particles of dirt & soot & and other pollutants that are present in the air.
particulate air pollution
deposition
frost wedging
observator
15. Bent rock strata.
current speed
triangulation
discharge
fold
16. A rock that has crystallized from a molten state.
compression fossil
telescope
rapids
igneous rock
17. A large & basin-shaped volcanic depression & more or less circular in form. Typically steep-sided & found at the summit of a shield volcano.
current speed
caldera
urban
seismograph
18. 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.
smelting
eon
specific gravity
ozone layer
19. The process by which an unconsolidated deposit of sediments is converted in to solid rock.
volcanic ash
lithification
p- wave (primary wave & compressional wave)
biogenic sediment
20. 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.
magnetic pole
biogenic sedimentary rock
chalk
wave length
21. The region of a shore that is covered at high tide and exposed at low tide.
scour
specific gravity
plate
intertidal zone
22. A thick layer of soil.
sod
seastack
salinization
bedrock
23. The process by which building stone & usually in blocks or sheets & is extracted from the Earth. radiation -- (Electromagnetic radiation) -- energy that travels through space in the form of waves without the intervention of matter & as in the transp
quarrying
runoff
nebula
constellation
24. The speed at which water flows.
disintegration (mechanical weathering)
loess
wave height
current speed
25. To change back and forth uncertainly.
fluctuate
stratum
estuary
plate boundaries
26. Any seismic wave that travels through the body of Earth & rather than along its surface.
body wave
desertification
stalactite
sandstorm
27. The partial or complete blocking from view of one object by another.
eclipse
chalk
Pangea
Pluto
28. A zone in the Earth between 400 and 670 km below the surface separating the upper mantle from the lower mantle.
shield volcano
extrusive
mesosphere
meander
29. Fossils formed when water containing minerals leaks into a mold. The minerals harden to form a copy of the original structure or organism.
sand dune
casts
zone of aeration
pothole
30. The closest star to Earth besides the sun. It is approximately 4 light years away.
lava flood (plateau basalt)
Proxima Centauri
marine Chronometer
neptune
31. The very slow & generally continuous downslope movement of soil and debris under the influence of gravity.
waterfall
volcano
compression fossil
creep
32. No identifiable layers of minerals in a rock sample
period
Cenozoic
nonfoliated
epicenter
33. Living parts of the environment that can renew or replace themselves.
moon
Paleozoic
renewable resources
convergent boundary
34. Mars is named after the Roman god of war. It is the fourth planet from the Sun.
Mars
calving
permafrost
mesosphere
35. 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.
pipe
constellation
subduction zone
reef
36. Ratio between weight of given volume of material and weight of equal volume of pure water.
flash flood
chemical sedimentary rock
foliated
specific gravity
37. Water beneath the Earth's surface.
equator
rock cycle
ground water
Cenozoic
38. 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.
hemisphere
era
convection cell
foreshock
39. A vent in the surface of the Earth & from which lava & ash & and gases erupt.
volcano
suspended load
constellation
Proterozoic
40. The area bordering a stream over which water spreads when the stream tops its channel banks.
nova -- (Supernova)
biogenic sediment
floodplain
channelization
41. Elongated rises on the ocean floor where basalt periodically erupts & forming new oceanic crust.
mid-ocean ridges
natural resources
flash flood
water table
42. A small ice sheet.
El Nino
black hole
s- wave (secondary wave & shear wave)
icecap
43. A reverse fault on which the dip angle of the fault plane is 15 degrees or less.
thrust fault
region
scientific model
pahoehoe
44. A study designed to collect critical data to be used for comparison or as a control in a later study.
zone of saturation
region
tidal delta
baseline study
45. A wall built out from the shore & usually at perpendicular to it to trap sand carried by longshore currents .
groin
fold and thrust mountains
chlorophyll
seamount
46. A lake in an abandoned meander.
liquefaction
sinkhole
scale
oxbow lake
47. A continuous well-defined mass of material of sufficient ore content to make extraction economically feasible. compare mineral deposit.
volcano
ore deposit
hydrologic cycle
solar system
48. A large area of flat or nearly flat land.
global warming
plain
seastack
core
49. 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.
cleavage
drift
Hadean
Phanerozoic
50. A sea level change due to change in load on Earth's crust.
vesicle
sextant
isostatic change in sea level
drift