SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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 small & dust-bearing whirlwind.
era
magma
dust devil
oxbow lake
2. Open pit mining & typically for coal.
erratic
global warming
strip mining
soil
3. The tendency of a moving object to continue in a straight line or a stationary object to remain in place.
geologic time scale
solstice
Global Positioning System (GPS)
inertia
4. The great circle on the Earth's surface passing through The North and South Poles & which is considered 0 degrees longitude. The prime meridian passes through Greenwich & England & and is used as a reference point for measuring longitude east and w
flood
tide
Prime Meridian
pothole
5. A mudflow composed chiefly of pyroclastic material on the flanks of a volcano.
basalt
lahar
estuary
atoll
6. Mercury is named after the Roman messenger of the gods. It is the closest to the Sun.
Pluto
pothole
sod
Mercury
7. An eruption of lava that takes place from a fracture & usually without producing a cone.
jetty
global warming
fissure eruption
salinity
8. Produced as a wave steepens and falls forward as the wave nears the shore.
surf
ground moraine
greenhouse gases
lithification
9. The tectonic region in which two plates meet.
Andromeda
boundary
trench
zone of saturation
10. The initial point within the Earth that ruptures in an earthquake & directly below the epicenter. The point within the Earth which is the center of an earthquake & at which strain energy is first released and converted to elastic wave energy.
focus
telescope
foreshock
stratum
11. Bent rock strata.
geyser
hardpan
cinder cone
fold
12. The explosion of a dying giant or supergiant star.
glacier
intrusive
nova -- (Supernova)
mantle
13. A continuous well-defined mass of material of sufficient ore content to make extraction economically feasible. compare mineral deposit.
ore deposit
divergent boundary
wave crest
Proxima Centauri
14. 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.
lithification
ozone
fracture
island arc
15. The process by which building stone & usually in blocks or sheets & is extracted from the Earth. radiation -- (Electromagnetic radiation) -- energy that travels through space in the form of waves without the intervention of matter & as in the transp
quarrying
compression fossil
chemical sedimentary rock
denudation
16. A large volume of dust-sized particles lifted high into the atmosphere.
seismic gap
dust storm
sediment
constellation
17. The primary division of geologic time which are & from oldest to youngest & the Hadean & Archean & Proterozoic & and Phanerozoic eons.
eon
rainforest
fossil
p- wave (primary wave & compressional wave)
18. Mars is named after the Roman god of war. It is the fourth planet from the Sun.
period
body wave
Mars
urban
19. Sediment formed by chemical precipitation from water. Example: halite precipitated as the result of the evaporation of sea water.
chemical sediment
archipelago
deflation
hardpan
20. 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.
island arc
drought
denudation
smelting
21. An area where fresh water comes into contact with seawater & usually in a partly enclosed coastal body of water; a mix of fresh and salt water where the current of a stream meets the tides.
island arc
beach
aquifer
estuary
22. Large area of extremely flat ocean floor lying near a continent and generally over 4 km in depth.
Laurasia
abyssal plain
abundant metal
fluctuate
23. Any accumulation of material & by settling from water or air & chemical precipitation & evaporation from solution & etc.
habitat
equator
deflation
deposition
24. The primary division of geologic time which are & from oldest to youngest & the Hadean & Archean & Proterozoic & and Phanerozoic eons.
eon
zone of saturation
thrust fault
collisional Boundary
25. 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.
drought
Richter scale
inertia
equator
26. Pluto is named after the Roman god of the Underworld. No longer considered a planet.
volcanic ash
abundant metal
Pluto
rainforest
27. The upper horizons in a soil & through which gravitational moisture travels & removing soluble decomposition products.
zone of leaching
suspended load
zone of saturation
ozone depletion
28. The sudden fall of one or more large pieces of a rock from a cliff.
telescope
storm surge
scour
rockfall
29. A ridge of high water associated with a hurricane and which floods over the shore .
water clarity
storm surge
arid
geothermal energy
30. Banks of sand and silt along stream bank built by deposition in small increments during successive floods.
levees
fracture
epicenter
density
31. A valley caused by extension of the Earth's crust. Its floor forms as a portion of the crust moves downward along normal faults.
delta
rift (graben)
natural resources
divergent boundary
32. The innermost zone of Earth. It consists of two parts & an outer liquid section and an inner solid section & both chiefly of iron and nickel with about 10 percent lighter elements. It is surrounded by the mantle.
core
oceanic trench
coast
ore deposit
33. Any of various minerals prized for beauty & durability & and rarity. A few noncrystalline materials of organic origin (e.g. & pearl & red coral & and amber) also are classified as gemstones.
gemstone
isostasy
equator
intertidal zone
34. A division of geologic time next shorter than a period. Example: the Pleistocene epoch is in the Quaternary period.
epoch
denudation
eclipse
Uniformitarianism
35. The two days of the year on which neither hemisphere is tilted toward or away from the sun.
moraine
steppe
equinox
delta
36. The zones of seismic activity long which plates are in contact.
tell
plate boundaries
beach
plate
37. Deep steep-sided depression in the ocean floor caused by the subduction of oceanic crust beneath either other oceanic crust or continental crust.
oceanic trench
dust devil
magnetic polarity
acid
38. Woodland that usually gets at least 100 inches of rain each year.
rainforest
wave crest
Mars
transform boundary
39. A dense & hot (sometimes incandescent) cloud of volcanic ash and gas produced in a Pelean eruption.
conduction
compression fossil
floodplain
nuee ardente
40. 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.
Phanerozoic
continental crust
landforms
seismic gap
41. Lacking in rainfall & very dry.
magnetic equator
arid
quarrying
greenhouse gases
42. A measure of the strength of an earthquake based on the amount of movement recorded by a seismograph . compare Richter scale.
thrust fault
magnitude
volcano
lahar
43. A valley caused by extension of the Earth's crust. Its floor forms as a portion of the crust moves downward along normal faults.
rift (graben)
outer core
intrusive
natural resources
44. A Hawaiian term for a lava flow that has a rough & jagged surface.
swells
plain
aa
axis
45. 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.
plate tectonics
seismic sea wave (tsunami)
discharge
eclipse
46. The effect of water and carbon dioxide absorbing outgoing infrared radiation & raising a system's temperature. The term is generally used with reference to the Earth's temperature & although it can also be applied to other systems & such as greenhous
particulate air pollution
Greenhouse Effect
plate boundaries
chemical sediment
47. A sea level change due to change in load on Earth's crust.
fringing reef
continent
isostatic change in sea level
desertification
48. 1. A mass of sand & gravel & or alluvium deposited on the bed of a stream & sea & or lake & or at the mouth of a stream 2. A unit of pressure & approximately equal to atmospheric pressure at sea level.
bar
Phanerozoic
delta
plate tectonics
49. Elongated rises on the ocean floor where basalt periodically erupts & forming new oceanic crust.
geyser
salinity
geyser
mid-ocean ridges
50. A vent in the surface of the Earth & from which lava & ash & and gases erupt.
dust devil
inertia
particulate air pollution
volcano