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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 of removing metal from ore.
glaciation
smelting
pahoehoe
Pangea
2. 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.
crater
focus
shield volcano
primary productivity
3. A large area of flat or nearly flat land.
seastack
plain
habitat
convection
4. A narrow & steep-walled depression in the ocean floor & much deeper than the adjacent ocean and associated with a subduction zone.
clastic
trench
casts
liquefaction
5. Similar to a groin but built to keep sand out of a harbor entrance.
magma
jetty
nutrient
till (unstratified drift)
6. A river that is able to maintain its flow through a desert because of water received from outside the desert.
exotic river
stalactite
solar system
lava
7. Glacial drift composed of rock fragments that range from clay to boulder size and randomly arranged without bedding.
global warming
till (unstratified drift)
continental divide
subduction zone
8. 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
ice sheet
abyssal plain
stormwater runoff
acid
9. A minor tremor that precedes an earthquake. An increase in seismicity may signal that a major release of strain energy is about to occur.
Andromeda
strip mining
foreshock
steppe
10. A delta formed at both sides of a tidal inlet.
chlorofluorocarbons (CFC's)
Hale-Bopp
Venus
tidal delta
11. The attractive force between two objects; its magnitude depends on their masses and the distance between them.
geologic time scale
natural resources
gravity
snow line
12. 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.
geyser
convection cell
collisional Boundary
global warming
13. The line that separates one drainage basin from another.
ozone
geothermal energy
drainage divide
groin
14. That portion of the Earth below the crust and reaching to about 2 &780 km & where a transition zone of about 100 km thickness separates it from the core.
deflation
casts
mantle
quarrying
15. A downward distortion or dimple in the water table that forms as a well pumps water faster than it can flow through the aquifer.
ground moraine
sediment
compass Rose
cone of depression
16. The process by which ocean floors spread laterally from crests of main ocean ridges. As material moves laterally from the ridge & new material replaces it along the ridge crest by welling upward from the mantle.
seafloor spreading
Venus
nautical mile
steppe
17. The process of removing metal from ore.
dust bowl
smelting
volcanic
pipe
18. A blanket of wind-driven sand with an upper surface about a meter above ground level.
sandstorm
arid
moon
channelization
19. Turbulent stream water flow down a steep gradient & but not as steep as in a waterfall.
zone of aeration
scour
rapids
biogenic sediment
20. Distance over which wave-forming winds blow.
swells
archaean
wave length
fetch
21. The relationship between distances in the area being mapped and distances in the map itself.
p- wave (primary wave & compressional wave)
shore
disintegration (mechanical weathering)
scale
22. Molten rock & containing dissolved gases and suspended solid particles. At the Earth's surface & magma is known as lava.
continental slope
back swamp
marine Chronometer
magma
23. The rock beneath the soil.
tell
bedrock
continental divide
foliated
24. An abandoned meander .
back swamp
oxbow
elevation
satellite
25. 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
oceanic crust
arid
ore deposit
quarrying
26. A curved belt of volcanic islands lying above a subduction zone.
gemstone
island arc
pathogen
terrestrial
27. A rigid segment of the Earth's lithosphere that moves horizontally and adjoins other plates along zones of seismic activity. Plates may include portions of both continents and ocean basins.
barrier reef
terrestrial
fjord
plate
28. The areas of & in & or constituting a city.
urban
legend
global warming
Global Positioning System (GPS)
29. Gases that can be dissociated by solar radiation & which releases chlorine & which in turn destroys ozone.
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183
30. No identifiable layers of minerals in a rock sample
Laurasia
moraine
chemical sediment
nonfoliated
31. A sedimentary rock made up of chemical sediments. Example: rock salt.
abundant metal
intensity
chemical sedimentary rock
rapids
32. Lacking in rainfall & very dry.
Mars
arid
sinkhole
Mercury
33. 1. A low & bowl-shaped area of land surrounded by higher lands. 2. any large depression in which sediments are deposited.
Hadean
magnitude
basin
clast
34. Deep steep-sided depression in the ocean floor caused by the subduction of oceanic crust beneath either other oceanic crust or continental crust.
oceanic trench
boundary
biogenic sediment
Cenozoic
35. An icicle-shaped accumulation of dripstone hanging from cave roof.
salinity
moraine
stalactite
reef
36. A study designed to collect critical data to be used for comparison or as a control in a later study.
observator
Proxima Centauri
island arc
baseline study
37. A type of thermal spring which ejects water intermittently with considerable force.
lithification
continental divide
geyser
continent
38. A measure of the strength of an earthquake based on the amount of movement recorded by a seismograph . compare Richter scale.
meteoroid
crust
abyssal plain
magnitude
39. A rock changed from its original form and/or composition by heat & pressure &shearing stress & or chemically active fluids & or some combination of them.
metamorphic rock
aquatic
inertia
Prime Meridian
40. Long narrow beaches separated in many places from the mainland by lagoons.
continental shelf
barrier beaches
oceanic trench
reservoir rock
41. The speed at which water flows.
aquifer
stratification
wave crest
current speed
42. The surface between the zone of saturation and the zone of aeration.
water table
atmosphere
creep
sand dune
43. A coral reef separated from the mainland by a lagoon.
lava lake
wave trough
barrier reef
plate boundaries
44. The rise and fall of sea level caused by the gravitational pull of the Sun and Moon on the Earth.
seafloor spreading
wave length
stratification
tide
45. A volcano that is composed of alternating layers of lava and pyroclastic material & along with abundant dikes and sills. Viscous & intermediate lava may flow from a central vent. Example: Mt. Fuji in Japan.
stormwater runoff
subduction
stratovolcano (composite volcano)
rift (graben)
46. To wash or scrub away.
scour
ground moraine
renewable resources
breakwater
47. The point on the Earth's surface where a magnetic needle points vertically downward (north magnetic pole) or vertically upward (south magnetic pole).
magnetic pole
swash and back wash
geyser
sedimentary rock
48. A region of high heat flow on the Earth's surface & thought to lie above a mantle plume .
reserves
telescope
hot spot
decomposition (chemical weathering)
49. 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.
ozone layer
atlas
basaltic
striations
50. The top of a wave.
crust
Proterozoic
tectonic Plates
wave crest