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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 internal resistance to flow in a liquid.
Greenhouse Effect
barrier reef
viscosity
Earth
2. Molten rock & containing dissolved gases and suspended solid particles. At the Earth's surface & magma is known as lava.
foliated
magma
seismic sea wave (tsunami)
acid
3. An area in which a large number of windmills have been erected to generate electrical power.
natural resources
wind farm
focus
pyroclastic
4. The reserves of a valuable mineral commodity plus all other mineral deposits that may eventually become available & even those that are presumed to exist but have not yet been discovered and those that are not economically or technologically exploita
fracture
shield volcano
resources
outer core
5. The tectonic region in which two plates meet.
baseline study
boundary
nebula
groove
6. The part of the crust that directly underlies the continents and continental shelves. Averages about 35 km in thickness & but may be over 70 km thick under largest mountain ranges.
back swamp
zone of saturation
acid
continental crust
7. The persistence of wind-formed waves after wind ceases.
neptune
swells
pyroclastic
Pillow Lava
8. The amount of material a stream carries in suspension.
ground water
rockfall
clastic
suspended load
9. A period of dryness & that when prolonged & causes damage to crops; a shortage of water.
archaean
Phanerozoic
drought
conduction
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.
water table
arch
seafloor spreading
seismic sea wave (tsunami)
11. A flat & dry plain covered with short grass.
nebula
steppe
volcano
superposition
12. A fracture or zone of fractures along the boundaries of tectonic plates where movement has taken place.
fault
calving
groundtruthing
frost wedging
13. 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.
tell
continent
latitude
open pit mining
14. Geologic time expressed in years before the present.
orogeny
absolute time
groin
water clarity
15. 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.
Milky Way
frost wedging
meander
reef
16. A river that is able to maintain its flow through a desert because of water received from outside the desert.
exotic river
tidal delta
seismic sea wave (tsunami)
silicate
17. The process of removing metal from ore.
escarpment
fossil
smelting
triangulation
18. Molten rock & containing dissolved gases and suspended solid particles. At the Earth's surface & magma is known as lava.
cementation
magma
Mars
aquifer
19. 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.
geothermal energy
biogenic sediment
latitude
atlas
20. The area immediately below the ground surface within which pore spaces are partially filled with water and partially filled with air.
Jupiter
liquefaction
zone of aeration
quarrying
21. A continuous well-defined mass of material of sufficient ore content to make extraction economically feasible. compare mineral deposit.
ore deposit
fold and thrust mountains
shield volcano
deposition
22. The very small particles of dirt & soot & and other pollutants that are present in the air.
pathogen
plate
particulate air pollution
clastic
23. Heat extracted from the Earth for use as an power source.
black hole
acid rain
geothermal energy
nebula
24. A mound or ridge of sediment deposited by a glacier.
moraine
crystal
chlorofluorocarbons (CFC's)
conserve
25. 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.
continental shelf
asthenosphere
orogeny
gravity
26. The height of a place above sea level.
habitat
elevation
mineral deposit
Precambrian
27. Lies half way between the north and south magnetic poles.
mid-ocean ridges
magnetic equator
Pillow Lava
climate
28. Reduction of pore space between individual particles as the result of overlying sediments or of tectonic movements.
crevasse
compaction
Prime Meridian
floodplain
29. The peak flow of water that tops the banks of a stream channel.
flood
sand dune
rockfall
water clarity
30. The point on the Earth's surface directly above the focus of an earthquake.
oxbow
crystal
denudation
epicenter
31. A broad & mound-like mass of glacier ice that usually spreads radially outward from a central zone.
Jupiter
ice sheet
cave
hardness
32. Any place where bedrock is visible on the surface of the Earth.
cementation
rainforest
you-shaped valley
outcrop
33. 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.
drainage basin
suspended load
nautical mile
estuary
34. A pillar formed as a stalactite and stalagmite meet.
spring
oxbow lake
column
core
35. Glacial drift composed of rock fragments that range from clay to boulder size and randomly arranged without bedding.
moon
till (unstratified drift)
fjord
liquefaction
36. The reflection of light on a given mineral's surface & classified by intensity and quality.
Pangea
hydrologic cycle
meteoroid
luster
37. 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
conserve
icecap
reef
crater
38. A broad & mound-like mass of glacier ice that usually spreads radially outward from a central zone.
focus
ice sheet
black smoker
ozone
39. In a stream & the volume of water passing through a channel in a given time.
viscosity
coast
boundary
discharge
40. A process of erosion in which wind carries off particles of dust and sand.
deflation
luster
volcanic ash
sextant
41. A major drainage divide separating the drainage to one ocean from another.
continental divide
core
wave height
rapids
42. The explosion of a dying giant or supergiant star.
nova -- (Supernova)
icecap
volcano
urban
43. The region of a shore that is covered at high tide and exposed at low tide.
foliated
Proterozoic
nutrient
intertidal zone
44. The most recent eon of geologic time beginning 570 million years ago and continuing to the present.
Phanerozoic
particulate air pollution
snow line
eustatic change in sea level
45. 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.
karst
erosion
plate tectonics
ecosystem
46. Sediments produced directly by the life processes of plants or animals.
biogenic sediment
ice shelf
basin
fluctuate
47. A narrow & elongate region in which one lithospheric plate descends relative to another.
core
inertia
suspended load
subduction zone
48. 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.
Copernicus & Nicholas
fringing reef
seafloor spreading
Sun
49. An eruption of lava that takes place from a fracture & usually without producing a cone.
natural resources
volcanic
drainage divide
fissure eruption
50. Pluto is named after the Roman god of the Underworld. No longer considered a planet.
drainage divide
continental slope
Pluto
deflation