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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 resistance of a mineral to scratching & as measured by the Mohs scale.
Uniformitarianism
hardness
Richter scale
chemical sediment
2. A valley caused by extension of the Earth's crust. Its floor forms as a portion of the crust moves downward along normal faults.
terrestrial
rift (graben)
magnetic polarity
acid rain
3. Gases that can be dissociated by solar radiation & which releases chlorine & which in turn destroys ozone.
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4. Objects revolving around the sun that are too small and too numerous to be considered planets.
asteroid
convection cell
pyroclastic
neptune
5. Sediments produced directly by the life processes of plants or animals.
biogenic sediment
zone of aeration
longitude
flood
6. A person who makes maps.
stormwater runoff
humus
cartographer
rock
7. A planetary satellite.
moon
aa
natural resources
exotic river
8. A device containing a free-swinging magnetic needle that is attracted to Earth's magnetic North Pole. Used to determine direction of travel.
back swamp
suspension
seamount
compass
9. Banks of sand and silt along stream bank built by deposition in small increments during successive floods.
levees
vesicle
rock
drift
10. 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)
Gondwana
aquifer
epicenter
11. A division of geologic time next smaller than the eon and larger than a period. Example: The Paleozoic era is in the Phanerozoic eon and includes & among others & the Devonian period.
intertidal zone
era
seismic sea wave (tsunami)
acid rain
12. An instrument that merely indicates the occurrence of an earthquake.
black hole
seismoscope
soil
abyssal plain
13. A rock that has crystallized from a molten state.
greenhouse gases
terrestrial
igneous rock
rainforest
14. Pertaining to clastic material formed by volcanic explosion or aerial expulsion from a volcanic vent.
eclipse
pyroclastic
groundtruthing
fringing reef
15. Plutonic. Antonym of extrusive. Pertaining to igneous rocks or features formed by the emplacement of magma in pre-existing rocks.
natural resources
intrusive
Cenozoic
fringing reef
16. The attractive force between two objects; its magnitude depends on their masses and the distance between them.
pipe
breakwater
gravity
period
17. The rock beneath the soil.
bedrock
oal
hardness
seamount
18. 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.
reef
chlorofluorocarbons (CFC's)
continental divide
calving
19. A thickened elevated region of Earth's crust that is mainly (but not entirely) above sea level.
transcontinental
reef
foreshock
continent
20. The color of a mineral in its powdered form obtained from scraping a sample on a ceramic plate
ozone depletion
sandstorm
streak
soil
21. Deposition of fine mineral particles (silt) on the beds of streams or lakes.
current speed
eon
siltation
eclipse
22. The layer of gases (air) & that surrounds a planet or moon.
magnetic polarity
cementation
rapids
atmosphere
23. A unit of length used in sea navigation based on the length of 1 minute of arc on a great circle. On Earth & 1 minute of latitude.
meander
nautical mile
sedimentary rock
extrusive
24. The relationship between distances in the area being mapped and distances in the map itself.
sod
scale
archipelago
dust bowl
25. The top of a wave.
geyser
wave crest
pahoehoe
petroleum
26. 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.
lava
biogenic sedimentary rock
plate tectonics
scour
27. 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.
petroleum
convection cell
density
reef
28. The areas of & in & or constituting a city.
urban
rockslide (rock avalanche)
jetty
reef
29. An eruption of lava that takes place from a fracture & usually without producing a cone.
plain
fissure eruption
Richter scale
petroleum
30. The point on the Earth's surface where a magnetic needle points vertically downward (north magnetic pole) or vertically upward (south magnetic pole).
tidal delta
magnetic pole
magnitude
geothermal energy
31. Distance over which wave-forming winds blow.
fetch
ecosystem
light-year
clastic
32. A term applied to large areas of basaltic lava presumably extruded from fissures.
lava flood (plateau basalt)
tidal inlet
Jupiter
rift (graben)
33. A worldwide change in sea level & such as caused by melting glaciers.
eustatic change in sea level
plate tectonics
secchi disk
atoll
34. Plutonic. Antonym of extrusive. Pertaining to igneous rocks or features formed by the emplacement of magma in pre-existing rocks.
delta
waterfall
epoch
intrusive
35. A wall built out from the shore & usually at perpendicular to it to trap sand carried by longshore currents .
groin
Proterozoic
nebula
rainforest
36. The very slow & generally continuous downslope movement of soil and debris under the influence of gravity.
clastic
creep
crust
wave trough
37. An accumulation of wind driven sand into a distinctive shape.
Greenhouse Effect
sand dune
terrestrial
equator
38. Ratio between weight of given volume of material and weight of equal volume of pure water.
fault
specific gravity
triangulation
nautical mile
39. The uprush of a wave onto the beach followed by the return flow of the water down the beach slope in the intervals between waves.
lava
swash and back wash
zone of aeration
acid rain
40. A permeable region of rock or soil through which ground water can move.
intertidal zone
ice shelf
aquifer
outer core
41. A hole or basin cut into bedrock of a stream by the abrasive action of pebbles and sand swirled by turbulent stream flow.
chemical sediment
magnetic equator
Pelean eruption
pothole
42. The first scientist to make systematic use of the telescope in looking at the heavens.
Galileo
water table
conserve
eclipse
43. To wash or scrub away.
conduction
steppe
scour
region
44. The way in which a rock or mineral breaks in random patterns rather than cleaving
sandstorm
fracture
rapids
Proxima Centauri
45. A pillar formed as a stalactite and stalagmite meet.
transcontinental
surf
column
oceanic crust
46. The direction & north (normal) or south (reversed) & that a magnetic compass needle points.
magnetic polarity
epicenter
continental rise
Prime Meridian
47. Forms along a coast as wave erosion cuts through a headland.
thrust fault
renewable resources
arch
seamount
48. Ratio between weight of given volume of material and weight of equal volume of pure water.
hardness
humid
specific gravity
black hole
49. A narrow strip of land along the margin of the ocean extending inland for a variable distance from low water mark.
divergent boundary
coast
marine Chronometer
delta
50. Long narrow beaches separated in many places from the mainland by lagoons.
universe
barrier beaches
permafrost
viscosity