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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. A continuous well-defined mass of material of sufficient ore content to make extraction economically feasible. compare mineral deposit.
fold
plain
asthenosphere
ore deposit
2. A person who makes maps.
oceanic crust
cartographer
habitat
anemometer
3. Banks of sand and silt along stream bank built by deposition in small increments during successive floods.
trench
reef
levees
ore deposit
4. 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.
biogenic sediment
deflation
latitude
mineral deposit
5. Destruction of the ozone layer caused by the release of CFC's (chlorofluorocarbons) into the atmosphere which react chemically with ozone and break it down into different gases.
Hadean
ozone depletion
plate
Pelean eruption
6. A spring whose temperature is 6.5o C or more above mean annual air temperature.
tell
thermal spring
focus
swells
7. The direction & north (normal) or south (reversed) & that a magnetic compass needle points.
magnetic polarity
marine Chronometer
water table
clastic
8. The process by which an unconsolidated deposit of sediments is converted in to solid rock.
lithification
sedimentary rock
subtropical deserts
desertification
9. An abandoned meander .
Gondwana
oxbow
core
neptune
10. A protective wall built offshore and usually parallel to the shore.
ablation
breakwater
tell
conduction
11. An instrument that merely indicates the occurrence of an earthquake.
core
seismoscope
Greenhouse Effect
pathogen
12. Elongated rises on the ocean floor where basalt periodically erupts & forming new oceanic crust.
fluctuate
watershed
mid-ocean ridges
weathering
13. The two days of the year on which the noon sun is directly overhead at either 23.5
solstice
Jupiter
seafloor spreading
glaciation
14. A cavity in a lava & formed by the entrapment of a gas bubble during solidification of the lava.
plate boundaries
stratovolcano (composite volcano)
vesicle
karst
15. Large area of extremely flat ocean floor lying near a continent and generally over 4 km in depth.
deposition
abyssal plain
hydrologic cycle
magnetic equator
16. To wash or scrub away.
fracture
disintegration (mechanical weathering)
scour
outer core
17. A conical volcano formed by the accumulation of pyroclastic debris around a vent.
epicenter
cinder cone
tidal delta
chemical sediment
18. 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.
dust bowl
solar system
lava flood (plateau basalt)
sinkhole
19. An area subject to dust storms & especially south central United States .
specific gravity
fold and thrust mountains
dust bowl
stratification
20. A sedimentary rock composed primarily of biogenic sediments.
granitic
ecosystem
biogenic sedimentary rock
basalt
21. Any accumulation of material & by settling from water or air & chemical precipitation & evaporation from solution & etc.
continental slope
Mercury
deposition
lava flood (plateau basalt)
22. Mars is named after the Roman god of war. It is the fourth planet from the Sun.
scale
Mars
cone of depression
sandstorm
23. An imaginary circle around the earth that represents the halfway mark between the North and South Poles and establishes the boundary between the Northern and Southern Hemispheres.
floodplain
pyroclastic
equator
lava
24. 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.
seismology
tectonic Plates
seismic sea wave (tsunami)
tide
25. The rigid outer shell of the Earth. It includes the crust and uppermost mantle and is on the order of 100 km in thickness.
spring
scientific model
runoff
lithosphere
26. A Hawaiian term for a lava flow that has a rough & jagged surface.
region
seismology
watershed
aa
27. An individual grain or constituent of a rock.
silicate
ecosystem
clast
delta
28. Distance over which wave-forming winds blow.
nova -- (Supernova)
foliated
fetch
steppe
29. 1. Breach in a natural levee . 2. Deep crevice or open fracture in glacier ice.
crevasse
cleavage
watershed
epicenter
30. 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.
habitat
anemometer
period
sedimentary rock
31. 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.
subduction zone
compression fossil
disintegration (mechanical weathering)
mantle
32. 1. A steep-walled & usually conical depression at the summit or on the flanks of a volcano & resulting from the explosive ejection of material from a vent. 2. A bowl-shaped depression with a raised & overturned rim produced by the impact of a meteori
crater
plain
water clarity
delta
33. Glacial deposits laid down directly by glaciers or laid down in lakes & ocean & or streams as result of glacial activity.
drift
era
ground water
wave trough
34. A mudflow composed chiefly of pyroclastic material on the flanks of a volcano.
storm surge
lahar
anemometer
ground moraine
35. 1. A steep-walled & usually conical depression at the summit or on the flanks of a volcano & resulting from the explosive ejection of material from a vent. 2. A bowl-shaped depression with a raised & overturned rim produced by the impact of a meteori
mesosphere
crater
stratum
soil
36. Of or relating to or containing basalt & a dark & dense & extrusive rock that has a silica content of 40% to 50% and makes up most of the ocean floor.
boundary
galaxy
basaltic
inertia
37. Refers to rock or sediments made up primarily of broken fragments of pre-existing rocks or minerals.
landforms
subtropical deserts
clastic
bedrock
38. A glaciated valley now flooded by the sea.
fjord
groin
sandstorm
channelization
39. 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
nonfoliated
steppe
Pangea
stormwater runoff
40. A tool for measuring the relative clarity of water.
drift
foreshock
pyroclastic
secchi disk
41. A permeable region of rock or soil through which ground water can move.
aquifer
lava flood (plateau basalt)
oxbow lake
climate
42. A hot & gaseous & self-luminous celestial body & as the Sun.
geologic column
nebula
star
swells
43. A small ice sheet.
icecap
climate
scale
Modified Mercalli Scale
44. The peak flow of water that tops the banks of a stream channel.
decomposition (chemical weathering)
transcontinental
Milky Way
flood
45. The sum of the processes that result in the wearing away or the progressive lowering of the Earth's surface by weathering & erosion & mass wasting & and transportation.
denudation
moraine
wave height
viscosity
46. A coral reef separated from the mainland by a lagoon.
absolute time
barrier reef
wave trough
lava
47. No identifiable layers of minerals in a rock sample
secchi disk
ore
black smoker
nonfoliated
48. The generally dark & more or less stable part of the organic matter in a soil & so well decomposed that the original sources cannot be identified.
humus
prairie
nautical mile
silicate
49. An abandoned meander .
oxbow
you-shaped valley
geologic time scale
intertidal zone
50. The method of locating an epicenter by determining how far it lies from three widely separated seismographs.
pathogen
triangulation
light-year
body wave