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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. Fossils formed when water containing minerals leaks into a mold. The minerals harden to form a copy of the original structure or organism.
fossil
black smoker
flash flood
casts
2. The relationship between distances in the area being mapped and distances in the map itself.
clast
scale
stratification
zone of aeration
3. The dust-sized & sharp-edged & glassy particles resulting from an explosive volcanic eruption.
volcanic ash
solar system
aa
basaltic
4. A permeable region of rock or soil through which ground water can move.
aquifer
runoff
waterfall
transform boundary
5. The theory that states that the present-day continents are the fragmented pieces of preexisting larger landmasses called supercontinents.
Continntal Drift Theory
waterfall
El Nino
geologic column
6. A broad & mound-like mass of glacier ice that usually spreads radially outward from a central zone.
ice sheet
chlorofluorocarbons (CFC's)
hot spot
outcrop
7. The line that separates one drainage basin from another.
drainage divide
seismograph
star
particulate air pollution
8. As applied to glacier ice & the process by which ice below the snow line is wasted by evaporation and melting.
nonfoliated
luster
atmosphere
ablation
9. Enormous & thick sheets of rock that are part of the Earth's upper mantle that move and adjoin each other along zones of seismic activity. Many tectonic plates extend underneath both continents and sea floor.
pathogen
hydrologic cycle
storm surge
tectonic Plates
10. 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.
hemisphere
anemometer
primary productivity
ozone
11. Glacial drift composed of rock fragments that range from clay to boulder size and randomly arranged without bedding.
ground moraine
terrestrial
foreshock
till (unstratified drift)
12. 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 &
island arc
Gondwana
lahar
basalt
13. The sudden fall of one or more large pieces of a rock from a cliff.
flood
density
moraine
rockfall
14. A layer of sedimentary rock; plural is strata.
striations
continent
Sun
stratum
15. A continuous well-defined mass of material of sufficient ore content to make extraction economically feasible. compare mineral deposit.
ore deposit
asteroid
column
striations
16. A sedimentary rock composed of combustible matter derived from the partial decomposition of plant material.
pyroclastic
oal
legend
specific gravity
17. The portion of the continental margin that lies between the abyssal plain and the continental slope. The continental rise is underlain by crustal rocks of the ocean basin.
geologic column
continental rise
moon
rock cycle
18. (Latin- Terra & Greek- Gaia) Earth is named after the ancient Germanic Goddess of the soil. It is the third planet from the Sun.
pathogen
ablation
Earth
light-year
19. Sediment formed by chemical precipitation from water. Example: halite precipitated as the result of the evaporation of sea water.
intrusive
ozone layer
chemical sediment
floodplain
20. A system that uses a constellation of 24 satellites & their ground stations & and individual GPS receivers to accurately locate points on Earth.
cave
stormwater runoff
Global Positioning System (GPS)
comet
21. The method of locating an epicenter by determining how far it lies from three widely separated seismographs.
triangulation
beach
drainage basin
wave crest
22. The area immediately below the ground surface within which pore spaces are partially filled with water and partially filled with air.
zone of aeration
current speed
desertification
strip mining
23. 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.
geology
mantle
reserves
ablation
24. The top of a wave.
atmosphere
wave crest
mesosphere
Jupiter
25. A downward distortion or dimple in the water table that forms as a well pumps water faster than it can flow through the aquifer.
cone of depression
seamount
magnitude
inner core
26. A blanket of wind-driven sand with an upper surface about a meter above ground level.
bedrock
pipe
region
sandstorm
27. Shapes & like mountains or hills that make up the Earth's surface.
Precambrian
ground moraine
landforms
Pluto
28. The low spot between two successive waves.
wave trough
fossil fuel
plate boundaries
lithification
29. The outermost part of the core. It is liquid & about 1 &700 km thick & and separated from the inner & solid core by a transition zone about 565 km thick.
groin
outer core
erosion
volcanic ash
30. Verifying assessments made from satellite data by doing direct & 'on-the ground' measurements.
coast
groundtruthing
habitat
base
31. Uranus is named after the Roman god of the sky. It is the seventh planet from the Sun.
secchi disk
superposition
Uranus
humid
32. A tool for measuring the relative clarity of water.
volcanic ash
Laurasia
secchi disk
snow line
33. 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.
oxbow lake
breakwater
continental shelf
delta
34. A process by which salts accumulate in soil.
nova -- (Supernova)
salinization
absolute time
plate tectonics
35. A large area of flat or nearly flat land.
swash and back wash
plain
neptune
equinox
36. A study designed to collect critical data to be used for comparison or as a control in a later study.
plutonic
lahar
continental divide
baseline study
37. An isolated & steep-sided & rocky mass or island just offshore from a rocky headland & usually on a shore platform.
silicate
tell
barrier reef
seastack
38. 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.
oceanic crust
axis
fault
orogeny
39. The principle that states the processes operating to change the Earth in the present also operated in the past.
drainage basin
Uniformitarianism
drainage divide
desertification
40. The outermost part of the core. It is liquid & about 1 &700 km thick & and separated from the inner & solid core by a transition zone about 565 km thick.
ore deposit
resources
asthenosphere
outer core
41. A slide involving a downward and usually sudden movement of newly detached segments of bedrock sliding or slipping over an inclined surface of weakness such as a bedding plane & fault plane & or joint surface.
gemstone
Cenozoic
rockslide (rock avalanche)
discharge
42. A reverse fault on which the dip angle of the fault plane is 15 degrees or less.
thrust fault
aftershock
nebula
fjord
43. Weathering processes that are the result of chemical reactions. Example: the transformation of orthoclase to kaolinite.
ground water
Uniformitarianism
decomposition (chemical weathering)
aquifer
44. A person who makes maps.
orogeny
archaean
seamount
cartographer
45. A depression in the ground formed by the melting of a block of glacier ice buried or partially buried by drift.
kettle
seastack
lava flood (plateau basalt)
cinder cone
46. A delta formed at both sides of a tidal inlet.
universe
tidal delta
outer core
Earth
47. 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.
geology
compass Rose
reef
intrusive
48. Forms along a coast as wave erosion cuts through a headland.
dust bowl
p- wave (primary wave & compressional wave)
arch
snow line
49. Where one plate slides beneath another plate as the two are pushed together & a subduction zone.
global warming
water table
convergent boundary
barrier reef
50. The seaward edge of coast between low tide and effective wave action.
fossil
foreshock
mid-ocean ridges
shore