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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. Distance over which wave-forming winds blow.
runoff
fetch
crust
kettle
2. Any solid material that has settled out of a state of suspension in liquid.
rapids
striations
sediment
tide
3. A Hawaiian term for a lava flow that has a rough & jagged surface.
aa
landforms
crust
satellite
4. The surface between the zone of saturation and the zone of aeration.
hydrologic cycle
shoreline
water table
hemisphere
5. A naturally occurring inorganic solid that has a well-defined chemical composition and in which atoms are arranged in an ordered fashion.
fold
mineral
levees
island arc
6. The point on the Earth's surface that is directly above the focus of an earthquake.
urban
seismoscope
extrusive
epicenter
7. The distance between two successive wave crests or troughs.
wave length
Gondwana
ozone depletion
isostasy
8. A large area of flat or nearly flat land.
plain
pH
drainage basin
conduction
9. A famous scientist who proposed that the Sun was the center of the solar system not the Earth. (Heliocentrism)
hardpan
Copernicus & Nicholas
Continntal Drift Theory
glacier
10. An accumulation of wind driven sand into a distinctive shape.
prairie
rockfall
suspension
sand dune
11. An individual grain or constituent of a rock.
solstice
streak
desertification
clast
12. All unconsolidated materials above bedrock. Natural earthy materials on the Earth's surface & in places modified or even made by human activity & containing living matter & and supporting or capable of supporting plants out of doors.
subduction
soil
delta
kettle
13. A statement of relative age in layered rocks: In a series of sedimentary rocks that has not been overturned & the topmost layer is always the youngest and the bottommost layer is always the oldest.
crevasse
superposition
erratic
rift (graben)
14. Plutonic. Antonym of extrusive. Pertaining to igneous rocks or features formed by the emplacement of magma in pre-existing rocks.
triangulation
Laurasia
surf
intrusive
15. An eon of geologic time extending from about 3.9 billion years to 2.5 billion years ago.
clastic
channelization
archaean
ozone depletion
16. A large amount of gas and dust in space & spread out in an immense volume.
fjord
nebula
estuary
anemometer
17. A reverse fault on which the dip angle of the fault plane is 15 degrees or less.
creep
thrust fault
region
Pillow Lava
18. The region of a shore that is covered at high tide and exposed at low tide.
pollutant
seamount
magnetic polarity
intertidal zone
19. Molten rock & containing dissolved gases and suspended solid particles. At the Earth's surface & magma is known as lava.
seamount
magma
constellation
Pangea
20. The attractive force between two objects; its magnitude depends on their masses and the distance between them.
groove
tidal inlet
gravity
exotic river
21. A flood that rises and falls very rapidly.
hardness
flash flood
Richter scale
ozone
22. An atmospheric shield providing the Earth with protection from ultra-violet rays which can cause sun burn & skin cancer and the destruction of the delicate plant life which supports the planet's food chain.
stalactite
ozone layer
transcontinental
fringing reef
23. The process by which an unconsolidated deposit of sediments is converted in to solid rock.
magnitude
lithification
bedrock
mineral
24. A floating ice sheet extending across water from a land-based glacier.
ice shelf
intrusive
asteroid
casts
25. The rock beneath the soil.
stratification
bedrock
striations
wave crest
26. A post of dripstone growing up from a cave floor.
sandstorm
stalagmite
magnetic polarity
barrier reef
27. The top of a wave.
rock
lahar
wave crest
s- wave (secondary wave & shear wave)
28. 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.
conduction
delta
Laurasia
bar
29. A seismic body wave that involves particle motion from side to side & perpendicular to the direction of wave propagation. S-waves are slower than P-waves and cannot travel through a liquid.
escarpment
magma
s- wave (secondary wave & shear wave)
igneous rock
30. A disease-causing organism or entity & such as a bacterium or virus.
pathogen
density
foreshock
rift (graben)
31. An era of time during the Phanerozoic eon lasting from 245 million years ago to 66.4 million ago.
Mesozoic
climate
scale
isostatic change in sea level
32. A wall built out from the shore & usually at perpendicular to it to trap sand carried by longshore currents .
tectonic Plates
ozone
groin
particulate air pollution
33. A vent in the surface of the Earth & from which lava & ash & and gases erupt.
constellation
you-shaped valley
volcano
igneous rock
34. A portable time keeper with a mechanism for ensuring accuracy and adjusting itself & used for determining longitude at sea.
marine Chronometer
chlorofluorocarbons (CFC's)
oceanic crust
inner core
35. The surface between the zone of saturation and the zone of aeration.
water table
focus
acid rain
igneous rock
36. Either the northern or southern half of the Earth as divided by the equator & or the eastern or western half as divided by a meridian.
black smoker
scientific model
hemisphere
drainage divide
37. Named after the Roman god of the sea. It is the eighth planet from the Sun.
rift (graben)
disintegration (mechanical weathering)
neptune
escarpment
38. The zones of seismic activity long which plates are in contact.
plate boundaries
wave crest
estuary
barrier reef
39. The process by which a binding & or cementing & agent is precipitated in spaces among individual particles of a deposit. Common cementing agents are calcite & quartz & and dolomite.
meteoroid
wave height
cementation
outer core
40. 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.
aftershock
sedimentary rock
you-shaped valley
precipitation
41. 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
light-year
stormwater runoff
epicenter
neptune
42. The color of a mineral in its powdered form obtained from scraping a sample on a ceramic plate
streak
mantle
deflation
fissure eruption
43. To change back and forth uncertainly.
foreshock
seastack
anemometer
fluctuate
44. Any seismic wave that travels through the body of Earth & rather than along its surface.
body wave
intrusive
magnitude
denudation
45. An area subject to dust storms & especially south central United States .
eclipse
dust bowl
foreshock
global warming
46. A broad & deep & generally straight furrow carved in bed rock by the abrasive action of debris embedded in a moving glacier. Larger and deeper than a glacial striation.
crater
crystal
groove
satellite
47. The process of mountain building.
permafrost
silicate
compass Rose
orogeny
48. A process by which salts accumulate in soil.
mantle
salinity
salinization
magnetic polarity
49. Turbulent stream water flow down a steep gradient & but not as steep as in a waterfall.
pH
volcanic
rapids
clastic
50. Till deposited from main body of glacier during ablation.
Modified Mercalli Scale
ground moraine
calving
back swamp