SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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 region of a shore that is covered at high tide and exposed at low tide.
chlorophyll
crevasse
abyssal plain
intertidal zone
2. A plate boundary in which plates on opposite sides of the boundary move past each other in opposite directions. The San Andreas fault of California is a good example.
boundary
karst
transform boundary
seismic gap
3. To change back and forth uncertainly.
denudation
El Nino
fluctuate
hardpan
4. Shapes & like mountains or hills that make up the Earth's surface.
ore deposit
landforms
terrestrial
rockfall
5. No identifiable layers of minerals in a rock sample
nonfoliated
spring
orogeny
basaltic
6. A naturally occurring inorganic solid that has a well-defined chemical composition and in which atoms are arranged in an ordered fashion.
icecap
mineral
fault
era
7. A thick layer of soil.
conserve
flood
continental shelf
sod
8. The line formed by the intersection of the axial plane of a fold with a bedding plane & marking where the bed shows its maximum curvature.
telescope
continental crust
zone of leaching
axis
9. A thickened elevated region of Earth's crust that is mainly (but not entirely) above sea level.
zone of aeration
column
continent
streak
10. Plutonic. Antonym of extrusive. Pertaining to igneous rocks or features formed by the emplacement of magma in pre-existing rocks.
seamount
open pit mining
lithification
intrusive
11. A measure of acidity.
chlorofluorocarbons (CFC's)
abyssal plain
pH
ozone layer
12. Any accumulation of material & by settling from water or air & chemical precipitation & evaporation from solution & etc.
barrier reef
cave
deposition
chlorofluorocarbons (CFC's)
13. A minor tremor that precedes an earthquake. An increase in seismicity may signal that a major release of strain energy is about to occur.
foreshock
particulate air pollution
intertidal zone
Laurasia
14. A wall built out from the shore & usually at perpendicular to it to trap sand carried by longshore currents .
lahar
hot spot
transform boundary
groin
15. 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.
equator
plate tectonics
Richter scale
continental slope
16. The remains of an extremely massive star pulled into a small volume by the force of gravity.
black hole
stormwater runoff
hemisphere
atoll
17. An earthquake that follows and has its epicenter near a larger earthquake.
aftershock
Global Positioning System (GPS)
Venus
tide
18. A valley caused by extension of the Earth's crust. Its floor forms as a portion of the crust moves downward along normal faults.
volcano
superposition
rift (graben)
water table
19. Formed when an organism is flattened (compressed) and a thin film of organic material from its body is left in the rock.
compression fossil
shore
marine Chronometer
moraine
20. A hole or basin cut into bedrock of a stream by the abrasive action of pebbles and sand swirled by turbulent stream flow.
liquefaction
pothole
geyser
lithification
21. A sedimentary rock composed of combustible matter derived from the partial decomposition of plant material.
oal
snow line
wave trough
habitat
22. A seismic body wave that involves particle motion & alternating compression and expansion & in the direction of wave propagation. It is the fastest seismic wave. compare S-wave .
geothermal energy
core
p- wave (primary wave & compressional wave)
island arc
23. The areas of & in & or constituting a city.
rift (graben)
shield volcano
body wave
urban
24. The prediction that climate will warm as a result of the addition to the atmosphere of humanly produced greenhouse gases.
global warming
continental rise
atoll
biogenic sediment
25. Glacial drift composed of rock fragments that range from clay to boulder size and randomly arranged without bedding.
shoreline
water table
subduction
till (unstratified drift)
26. The concept of a sequence of events involving the formation & alteration & destruction and reformation of rocks as a result of geologic processes.
El Nino
convergent boundary
rock cycle
zone of leaching
27. In the geologic time scale a unit of time less than an era and greater than an epoch. Example: The Tertiary period was the earliest period in the Cenozoic era and included & among others & the Eocene epoch.
period
sedimentary rock
smelting
outcrop
28. 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.
mineral deposit
rock
fold and thrust mountains
mantle
29. The symbol used on a map to indicate directions & both cardinal and ordinal.
superposition
compass Rose
epoch
back swamp
30. 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.
magma
petroleum
continental slope
oceanic crust
31. A portable time keeper with a mechanism for ensuring accuracy and adjusting itself & used for determining longitude at sea.
region
marine Chronometer
chalk
fault
32. The top of a wave.
wave crest
Greenhouse Effect
pipe
pyroclastic
33. A comet that passed Earth in 1997 and won't return to the inner solar system until the year 4377.
Hale-Bopp
wave crest
clastic
Paleozoic
34. The portion of the continental margin that extends as a gently sloping surface from the shoreline seaward to a marked change in slope at the top of the continental slope . Seaward depth averages about 130 m.
continental shelf
atlas
lithification
stormwater runoff
35. A cavity in a lava & formed by the entrapment of a gas bubble during solidification of the lava.
nova -- (Supernova)
vesicle
longitude
cartographer
36. A large area with common features that set it apart from other areas.
nutrient
baseline study
casts
region
37. Deep steep-sided depression in the ocean floor caused by the subduction of oceanic crust beneath either other oceanic crust or continental crust.
Uniformitarianism
oceanic trench
fold and thrust mountains
beach
38. The direction & north (normal) or south (reversed) & that a magnetic compass needle points.
floodplain
nautical mile
decomposition (chemical weathering)
magnetic polarity
39. To change back and forth uncertainly.
fluctuate
Pangea
vesicle
transcontinental
40. 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.
salinization
Laurasia
scour
sedimentary rock
41. A sedimentary rock made up of chemical sediments. Example: rock salt.
magnetic pole
fissure eruption
chemical sedimentary rock
cleavage
42. 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.
Phanerozoic
plate
Pangea
granitic
43. A large area of flat or nearly flat land.
star
open pit mining
plain
swells
44. The weak or 'soft' zone in the upper mantle just below the lithosphere & involved in plate movement and isostatic adjustments. It lies 70 to 100 km below the surface and may extend to a depth of 400 km.
seismoscope
shield volcano
Uranus
asthenosphere
45. Heat transport by moving particles & and the thermal energy that they carry & to a new location.
global warming
convection
glacier
tell
46. A small ice sheet.
icecap
groove
meteoroid
renewable resources
47. Imaginary lines on a map or globe that measure distance in degrees north or south of the equator. Latitude lines extend horizontally & from east to west on a globe.
latitude
swells
ground moraine
barrier reef
48. 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)
conserve
current speed
glaciation
49. The tectonic region in which two plates meet.
water table
boundary
convergent boundary
Continntal Drift Theory
50. A building that contains one or more telescopes.
fluctuate
aa
denudation
observator