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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 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
Hale-Bopp
quarrying
equinox
scour
2. A glaciated valley now flooded by the sea.
waterfall
light-year
fjord
era
3. The science that deals with the study of the planet Earth--the materials of which it is made & the processes that act to change these materials from one form to another & and the history recorded by these materials; the forces acting to deform the ou
stalagmite
Mars
geology
oxbow lake
4. The amount of dissolved salt in water.
salinity
period
acid rain
coast
5. A depression in the ground formed by the melting of a block of glacier ice buried or partially buried by drift.
kettle
atoll
discharge
tide
6. Where two plates are moving in opposite directions as in a mid-ocean ridge.
mesosphere
isostatic change in sea level
divergent boundary
ozone layer
7. A general term including both oil and natural gas.
zone of aeration
petroleum
watershed
fossil
8. Distance over which wave-forming winds blow.
aa
fetch
sinkhole
humus
9. The upper horizons in a soil & through which gravitational moisture travels & removing soluble decomposition products.
fluctuate
discharge
zone of leaching
water table
10. A small ice sheet.
magma
moon
icecap
viscosity
11. Containing moisture.
seismic sea wave (tsunami)
humid
Precambrian
smelting
12. A natural depression in the surface of the land caused by the collapse of the roof of a cavern or subterranean passage & generally occurring in limestone regions.
conserve
sinkhole
Modified Mercalli Scale
natural resources
13. Materials that are found in nature that are useful or necessary for people to live.
Continntal Drift Theory
natural resources
compass Rose
Greenhouse Effect
14. A vent on the seafloor from which hydrothermal fluids are emitted. Upon mixing with seawater and cooling & the fluids precipitate a cloud of fine-grained sulfide minerals that resembles a cloud of black smoke.
surf
gravity
black smoker
black hole
15. A lake in an abandoned meander.
Laurasia
oxbow lake
Venus
convergent boundary
16. The green pigment in the cells of many plants that enables them to use sunlight to convert carbon dioxide and water into carbohydrates in the process called photosynthesis.
hot spot
loess
resources
chlorophyll
17. An era of geologic time lasting from 570 to 245 million years ago.
caldera
mineral
Paleozoic
casts
18. The theory that states that the present-day continents are the fragmented pieces of preexisting larger landmasses called supercontinents.
Proterozoic
volcanic ash
Continntal Drift Theory
salinity
19. The southern portion of the late Paleozoic supercontinent known as Pangea. It means & literally 'Land of the Gonds' (a people of the Indian subcontinent).The supercontinent existed from Cambrian to Jurassic time & mainly composed of South America &
meteoroid
hardness
beach
Gondwana
20. Woodland that usually gets at least 100 inches of rain each year.
water clarity
magnetic equator
rainforest
wave length
21. The relationship between distances in the area being mapped and distances in the map itself.
pahoehoe
scale
erosion
ozone depletion
22. The partial or complete blocking from view of one object by another.
solstice
eclipse
disintegration (mechanical weathering)
renewable resources
23. 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'.
fault
atoll
you-shaped valley
cartographer
24. A volcanic mountain on the seafloor. If flat-topped & it is a guyot.
seamount
stratovolcano (composite volcano)
humid
compass Rose
25. 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.
biogenic sedimentary rock
compass
continental slope
sod
26. Containing moisture.
coast
trench
atmosphere
humid
27. The processes (mechanical and chemical) responsible for the wearing away & loosening & and dissolving of materials of the Earth's crust.
erosion
Pelean eruption
base
pollutant
28. The symbol used on a map to indicate directions & both cardinal and ordinal.
inner core
compass Rose
ore deposit
deposition
29. Ratio between weight of given volume of material and weight of equal volume of pure water.
specific gravity
smelting
Proxima Centauri
fold and thrust mountains
30. The area bordering a stream over which water spreads when the stream tops its channel banks.
floodplain
compass Rose
ground moraine
stratification
31. An astronomical instrument for measuring angles & primarily altitude of celestial bodies to determine latitude.
sextant
isostatic change in sea level
sinkhole
mineral
32. A volcano in the shape of a flattened cone & broad and low & built by very fluid flows of basaltic lava.
magnetic equator
boundary
cinder cone
shield volcano
33. 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.
Milky Way
estuary
salinity
continental divide
34. A pillar formed as a stalactite and stalagmite meet.
column
hydrologic cycle
tectonic Plates
wave height
35. A process by which salts accumulate in soil.
salinization
open pit mining
soil
volcanic ash
36. A volcanic mountain on the seafloor. If flat-topped & it is a guyot.
magma
seamount
humus
Galileo
37. A process of land degradation initiated by human activity & particularly in the zones along the margins of deserts.
compaction
hardness
desertification
you-shaped valley
38. 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.
body wave
striations
basalt
period
39. A chuck of rock or dust in space.
meteoroid
exotic river
hemisphere
magnetic equator
40. The area immediately below the ground surface within which pore spaces are partially filled with water and partially filled with air.
resources
zone of aeration
arid
wind farm
41. The tendency of a moving object to continue in a straight line or a stationary object to remain in place.
oxbow
Pelean eruption
comet
inertia
42. The attractive force between two objects; its magnitude depends on their masses and the distance between them.
fold and thrust mountains
nebula
gravity
density
43. A commonly used measure of earthquake magnitude & based on a logarithmic scale. Each integral step on the scale represents a tenfold increase in the extent of ground shaking & as recorded on a seismograph.
compaction
eustatic change in sea level
Richter scale
sod
44. A post of dripstone growing up from a cave floor.
rockslide (rock avalanche)
stalagmite
Greenhouse Effect
sedimentary rock
45. The two days of the year on which neither hemisphere is tilted toward or away from the sun.
aftershock
foliated
equinox
Uniformitarianism
46. A process of erosion in which wind carries off particles of dust and sand.
fluctuate
intensity
era
deflation
47. A supercontinent that existed from the Jurassic to Early Tertiary after splitting from Pangea; composed of Laurentia & Baltica & Avalonia & (modern North America & Scandinavia & Greenland & Western and Central Europe); eventually fragmented into Eur
floodplain
Laurasia
cleavage
basin
48. The area immediately below the ground surface within which pore spaces are partially filled with water and partially filled with air.
continental divide
barrier beaches
plate
zone of aeration
49. The most recent eon of geologic time beginning 570 million years ago and continuing to the present.
fossil
habitat
outcrop
Phanerozoic
50. Saturn is named after the Roman god of the harvest. It is the sixth planet from the Sun.
stormwater runoff
El Nino
luster
Saturn