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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 acidity in rain due to gases from internal combustion engines and coal- and oil-burning power plants.
trench
acid rain
kettle
flood
2. A time of unusual winds and currents in the Pacific Ocean . El Nino generally causes warmer-than-normal sea surface temperatures and increased rainfall and storm activity.
permafrost
Mesozoic
El Nino
extrusive
3. 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
resources
tidal inlet
chemical sedimentary rock
aa
4. A waste material that contaminates air & water & or soil.
you-shaped valley
seismograph
pollutant
aftershock
5. 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.
Hale-Bopp
nautical mile
precipitation
Pangea
6. The distance light travels through a vacuum in one year.
outer core
volcano
deposition
light-year
7. Highly mafic igneous volcanic rock & typically fine-grained and dark in color; rough volcanic equivalent of gabbro. Basalt is the most abundant volcanic rock in the Earth's crust.
basalt
disintegration (mechanical weathering)
nuee ardente
Modified Mercalli Scale
8. The chronological sequence of units of Earth time.
aquatic
geologic time scale
conserve
convergent boundary
9. A large volume of dust-sized particles lifted high into the atmosphere.
aquatic
scientific model
outcrop
dust storm
10. A naturally occurring inorganic solid that has a well-defined chemical composition and in which atoms are arranged in an ordered fashion.
volcanic
primary productivity
compass
mineral
11. The portion of the continental margin that lies between the abyssal plain and the continental slope. The continental rise is underlain by crustal rocks of the ocean basin.
convection cell
nova -- (Supernova)
continental rise
seismoscope
12. 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
aftershock
waterfall
inner core
13. The galaxy where Earth is located.
viscosity
scour
Milky Way
Hadean
14. A planetary satellite.
Uniformitarianism
moon
magnetic pole
greenhouse gases
15. 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.
s- wave (secondary wave & shear wave)
luster
estuary
Modified Mercalli Scale
16. 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.
plate tectonics
clastic
convection
streak
17. Containing moisture.
compaction
humid
liquefaction
inertia
18. Geologic time expressed in years before the present.
biogenic sedimentary rock
universe
mesosphere
absolute time
19. Synonym of intrusive. Antonym of volcanic. Applies to igneous rocks formed beneath the surface of the Earth; typically with large crystals due to the slowness of cooling.
plutonic
permafrost
aftershock
sand dune
20. Deep steep-sided depression in the ocean floor caused by the subduction of oceanic crust beneath either other oceanic crust or continental crust.
Precambrian
continental divide
ablation
oceanic trench
21. Jupiter is named after the Roman king of the gods. It is the fifth planet from the Sun.
Jupiter
stalagmite
comet
groove
22. A sharp bend & loop or turn in a stream's course. When abandoned & it is called a meander scar or an oxbow.
meander
kettle
Venus
continental rise
23. The point on the Earth's surface where a magnetic needle points vertically downward (north magnetic pole) or vertically upward (south magnetic pole).
chlorofluorocarbons (CFC's)
sedimentary rock
peat
magnetic pole
24. A sedimentary rock made up of chemical sediments. Example: rock salt.
flood
seismology
atlas
chemical sedimentary rock
25. The theory that states that the present-day continents are the fragmented pieces of preexisting larger landmasses called supercontinents.
beach
Continntal Drift Theory
biogenic sediment
stratovolcano (composite volcano)
26. An earthquake that follows and has its epicenter near a larger earthquake.
dust devil
Precambrian
subduction zone
aftershock
27. A division of geologic time next shorter than a period. Example: the Pleistocene epoch is in the Quaternary period.
plate tectonics
nautical mile
epoch
galaxy
28. A protective wall built offshore and usually parallel to the shore.
lithification
acid rain
breakwater
zone of leaching
29. The method of locating an epicenter by determining how far it lies from three widely separated seismographs.
isostasy
crater
triangulation
Uniformitarianism
30. Deep steep-sided depression in the ocean floor caused by the subduction of oceanic crust beneath either other oceanic crust or continental crust.
sinkhole
oceanic trench
ground moraine
beach
31. A thick layer of soil.
baseline study
fossil fuel
focus
sod
32. Living on land.
terrestrial
zone of aeration
extrusive
drainage basin
33. 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.
seismic gap
Jupiter
surf
plate boundaries
34. The two days of the year on which neither hemisphere is tilted toward or away from the sun.
streak
equinox
pipe
intertidal zone
35. A region of high heat flow on the Earth's surface & thought to lie above a mantle plume .
crust
latitude
hot spot
intensity
36. Lava extruded beneath water characterized by pillow shapes.
outer core
escarpment
rock
Pillow Lava
37. A group of stars that appear to make a pattern in the sky. The Big Dipper is a constellation.
constellation
seismic sea wave (tsunami)
sandstorm
El Nino
38. A guide to reading a map that typically contains distance scales & arrows indicating direction & and/or explanations of symbols used.
legend
suspended load
lava dome
geyser
39. A coral reef attached directly to the mainland.
caldera
fringing reef
igneous rock
gemstone
40. A large area of flat or nearly flat land.
latitude
pollutant
Continntal Drift Theory
plain
41. Where two plates are moving in opposite directions as in a mid-ocean ridge.
oxbow lake
wave length
divergent boundary
scientific model
42. Till deposited from main body of glacier during ablation.
ground moraine
s- wave (secondary wave & shear wave)
jetty
crater
43. Long narrow beaches separated in many places from the mainland by lagoons.
shore
barrier beaches
archaean
kettle
44. Woodland that usually gets at least 100 inches of rain each year.
volcanic
kettle
rainforest
asteroid
45. The precipitation that runs directly off the surface to stream or body of standing water.
runoff
compass
extrusive
divergent boundary
46. Plutonic. Antonym of extrusive. Pertaining to igneous rocks or features formed by the emplacement of magma in pre-existing rocks.
intrusive
ozone depletion
open pit mining
lithification
47. Turbulent stream water flow down a steep gradient & but not as steep as in a waterfall.
erratic
rapids
isostatic change in sea level
s- wave (secondary wave & shear wave)
48. 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 &
Gondwana
seamount
mineral deposit
rapids
49. The closest star to Earth besides the sun. It is approximately 4 light years away.
global warming
convection
plutonic
Proxima Centauri
50. (Latin- Terra & Greek- Gaia) Earth is named after the ancient Germanic Goddess of the soil. It is the third planet from the Sun.
Earth
period
subduction
epicenter