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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 segment of an active fault zone that has not experienced a major earthquake during a time period when most other segments of the zone have. They are generally regarded as having a higher potential for future earthquakes.
seismoscope
density
streak
seismic gap
2. A minor tremor that precedes an earthquake. An increase in seismicity may signal that a major release of strain energy is about to occur.
acid rain
foreshock
vesicle
Earth system
3. A naturally occurring inorganic solid that has a well-defined chemical composition and in which atoms are arranged in an ordered fashion.
mineral
lithification
bar
Precambrian
4. The very small particles of dirt & soot & and other pollutants that are present in the air.
particulate air pollution
lava lake
aquifer
boundary
5. An accumulation of wind driven sand into a distinctive shape.
basaltic
cone of depression
inertia
sand dune
6. Pluto is named after the Roman god of the Underworld. No longer considered a planet.
urban
humid
Pluto
ozone layer
7. The rise and fall of sea level caused by the gravitational pull of the Sun and Moon on the Earth.
abyssal plain
pH
tide
Jupiter
8. A coral reef separated from the mainland by a lagoon.
spring
seastack
lava flood (plateau basalt)
barrier reef
9. In a stream & the volume of water passing through a channel in a given time.
aftershock
beach
wave length
discharge
10. To change back and forth uncertainly.
orogeny
epicenter
fluctuate
exotic river
11. Formed when an organism is flattened (compressed) and a thin film of organic material from its body is left in the rock.
fluctuate
back swamp
black smoker
compression fossil
12. Weathering processes that are the result of chemical reactions. Example: the transformation of orthoclase to kaolinite.
stratification
isostatic change in sea level
baseline study
decomposition (chemical weathering)
13. 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.
wave length
shield volcano
tectonic Plates
erosion
14. A large amount of gas and dust in space & spread out in an immense volume.
reservoir rock
prairie
nebula
asthenosphere
15. The low spot between two successive waves.
density
seismic sea wave (tsunami)
crystal
wave trough
16. Where two plates collide to form mountains.
channelization
pothole
collisional Boundary
continental slope
17. In a stream & the volume of water passing through a channel in a given time.
inner core
Jupiter
discharge
tidal inlet
18. An artificial hill formed by the debris of successive human settlements.
specific gravity
tell
Mercury
global warming
19. The relationship between distances in the area being mapped and distances in the map itself.
scale
reservoir rock
erratic
karst
20. The closest galaxy to the Milky way. It is approximately 2 million light-years away.
channelization
Paleozoic
Andromeda
isostasy
21. A valley carved by glacier erosion and whose cross-valley profile has steep sides and a nearly flat floor & suggestive of a large letter 'you'.
you-shaped valley
conserve
geologic time scale
water clarity
22. An instrument that merely indicates the occurrence of an earthquake.
continental crust
wave trough
seismoscope
foliated
23. 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.
continental slope
Cenozoic
era
pathogen
24. Weathering processes that are the result of chemical reactions. Example: the transformation of orthoclase to kaolinite.
decomposition (chemical weathering)
magma
shield volcano
mineral
25. (Latin- Sol & Greek- Helios)the closest star to Earth. It is a giant ball of gas without any solid surface.
fossil
Sun
magnetic equator
geyser
26. The reflection of light on a given mineral's surface & classified by intensity and quality.
deposition
ablation
ice sheet
luster
27. The surface between the zone of saturation and the zone of aeration.
water table
fault
tidal inlet
Paleozoic
28. The straightening and/or deepening of a river channel.
permafrost
open pit mining
channelization
acid rain
29. The Sun with all the celestial bodies that revolve around it.
natural resources
plutonic
solar system
neptune
30. The formation & advance and retreat of glaciers and the results of these activities.
Phanerozoic
glaciation
mantle
oxbow lake
31. Jupiter is named after the Roman king of the gods. It is the fifth planet from the Sun.
rain shadow deserts
magnetic equator
Jupiter
lava
32. The surface between the zone of saturation and the zone of aeration.
Andromeda
water table
meander
Laurasia
33. Pertaining to or composed of granite & a coarse-grained igneous rock dominated by light-colored minerals & consisting of about 50 percent orthoclase & 25 percent quartz & and balance of feldspars and ferromagnesian silicates. Granite is commonly foun
viscosity
pH
stalactite
granitic
34. A vent in the surface of the Earth & from which lava & ash & and gases erupt.
lava
volcano
star
tectonic Plates
35. A molecule composed of three atoms of oxygen and mostly found in the stratosphere. Though beneficial in the upper atmosphere & at ground level & ozone is called photochemical smog & and is a respiratory irritant and considered a pollutant.
ozone
viscosity
flash flood
wave height
36. 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.
kettle
sinkhole
glacier
desertification
37. To change back and forth uncertainly.
fluctuate
latitude
fold and thrust mountains
superposition
38. An area subject to dust storms & especially south central United States .
tell
magnetic polarity
dust bowl
gemstone
39. A device containing a free-swinging magnetic needle that is attracted to Earth's magnetic North Pole. Used to determine direction of travel.
outcrop
fracture
compass
oceanic crust
40. A guide to reading a map that typically contains distance scales & arrows indicating direction & and/or explanations of symbols used.
fetch
pyroclastic
legend
current speed
41. 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 &
eclipse
specific gravity
Gondwana
oxbow lake
42. A method of sediment transport in which the turbulence of a fluid is able to keep particles supported in the fluid.
plain
island arc
suspension
Mars
43. Water beneath the Earth's surface.
erratic
Earth
stormwater runoff
ground water
44. An artificial hill formed by the debris of successive human settlements.
tell
basin
archipelago
climate
45. Any solid material that has settled out of a state of suspension in liquid.
zone of aeration
moraine
sediment
archipelago
46. Large area of extremely flat ocean floor lying near a continent and generally over 4 km in depth.
crater
natural resources
abyssal plain
wave height
47. A building that contains one or more telescopes.
fjord
climate
observator
wave crest
48. A general term for a relatively hard layer of soil at or just below the ground surface & cemented by silica & iron oxide & calcium carbonate & or organic matter.
hardpan
ore
ice shelf
sandstorm
49. A blanket of wind-driven sand with an upper surface about a meter above ground level.
body wave
sandstorm
baseline study
tectonic Plates
50. The seaward edge of coast between low tide and effective wave action.
crevasse
humid
plain
shore