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. The generally dark & more or less stable part of the organic matter in a soil & so well decomposed that the original sources cannot be identified.
p- wave (primary wave & compressional wave)
humus
sandstorm
natural resources
2. A natural open space underground & large enough for a person to enter. Most commonly occur by the dissolution of soluble rocks & generally limestone.
cave
core
basaltic
oceanic trench
3. A giant structure that contains hundreds of billions of stars.
galaxy
bar
era
Greenhouse Effect
4. A mudflow composed chiefly of pyroclastic material on the flanks of a volcano.
lahar
Milky Way
lithification
habitat
5. Geologic time expressed in years before the present.
cartographer
Mesozoic
absolute time
denudation
6. 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.
erratic
orogeny
groove
conduction
7. A cavity in a lava & formed by the entrapment of a gas bubble during solidification of the lava.
absolute time
fissure eruption
magnetic equator
vesicle
8. Deserts formed by blocking moisture-bearing winds with mountain barriers.
seamount
magnetic pole
ground water
rain shadow deserts
9. The layer of gases (air) & that surrounds a planet or moon.
pH
reef
moon
atmosphere
10. A coral reef attached directly to the mainland.
outcrop
fringing reef
cinder cone
deflation
11. A soft compact calcite & CaCO3 & with varying amounts of silica & quartz & feldspar & or other mineral impurities & generally gray-white or yellow-white and derived chiefly from fossil seashells.
chalk
permafrost
sedimentary rock
epoch
12. Mountains & characterized by extensive folding and thrust faulting & that form at convergent plate boundaries on continents.
aquifer
constellation
jetty
fold and thrust mountains
13. A supercontinent that existed from the the end of the Permian to the Jurassic & 300 to 200 million years ago & assembled from large continents like Euramerica & Gondwana & and Siberia & as well as smaller landmasses like the Cathaysian and Cimmerian
glaciation
seafloor spreading
Pangea
rapids
14. A large area with common features that set it apart from other areas.
global warming
region
granitic
fetch
15. The seaward edge of coast between low tide and effective wave action.
fluctuate
shore
metamorphic rock
ozone depletion
16. An astronomical instrument for measuring angles & primarily altitude of celestial bodies to determine latitude.
body wave
ozone
urban
sextant
17. Living parts of the environment that can renew or replace themselves.
mineral
geyser
Global Positioning System (GPS)
renewable resources
18. A continuous well-defined mass of material of sufficient ore content to make extraction economically feasible. compare mineral deposit.
zone of saturation
arch
ore deposit
sandstorm
19. An ingredient in a food or other substance that nourishes or promotes growth.
island arc
nutrient
icecap
rock cycle
20. Named after the Roman god of the sea. It is the eighth planet from the Sun.
wave length
neptune
magnetic polarity
cartographer
21. A building that contains one or more telescopes.
observator
cleavage
magnetic pole
compass
22. The generally dark & more or less stable part of the organic matter in a soil & so well decomposed that the original sources cannot be identified.
epicenter
humus
hemisphere
geologic column
23. 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
superposition
black smoker
wave length
24. A ball of ice and dust & whose orbit is a long & narrow ellipse.
Laurasia
comet
wave length
constellation
25. The Sun with all the celestial bodies that revolve around it.
stalactite
solar system
Precambrian
bedrock
26. The symbol used on a map to indicate directions & both cardinal and ordinal.
plain
compass Rose
silicate
stratovolcano (composite volcano)
27. A river that is able to maintain its flow through a desert because of water received from outside the desert.
barrier reef
exotic river
aquatic
peat
28. A hole or basin cut into bedrock of a stream by the abrasive action of pebbles and sand swirled by turbulent stream flow.
pothole
tide
greenhouse gases
prairie
29. 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.
scale
hemisphere
legend
fold
30. A narrow & elongate region in which one lithospheric plate descends relative to another.
Paleozoic
levees
cone of depression
subduction zone
31. 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.
transcontinental
hardness
strip mining
groove
32. Evidence in rock of the presence of past life & such as a dinosaur bone & an ancient clam shell & or the footprint of a long-extinct animal as well as life history artifacts.
Cenozoic
stormwater runoff
fossil
pahoehoe
33. As applied to glacier ice & the process by which ice below the snow line is wasted by evaporation and melting.
s- wave (secondary wave & shear wave)
moraine
pipe
ablation
34. A fracture or zone of fractures along the boundaries of tectonic plates where movement has taken place.
stratification
igneous rock
nonfoliated
fault
35. 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.
denudation
aquifer
continental shelf
light-year
36. The attractive force between two objects; its magnitude depends on their masses and the distance between them.
gravity
rockfall
boundary
strip mining
37. 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'.
secchi disk
you-shaped valley
El Nino
moraine
38. Glacial deposits laid down directly by glaciers or laid down in lakes & ocean & or streams as result of glacial activity.
cleavage
granitic
drift
density
39. The point on the Earth's surface that is directly above the focus of an earthquake.
transform boundary
epicenter
oxbow lake
petroleum
40. Imaginary lines on a map or globe that measure distance in degrees east or west of the prime meridian. Longitude lines extend vertically & from pole to pole on a globe.
extrusive
oceanic trench
fold and thrust mountains
longitude
41. Destruction of the ozone layer caused by the release of CFC's (chlorofluorocarbons) into the atmosphere which react chemically with ozone and break it down into different gases.
strip mining
ozone depletion
orogeny
Pillow Lava
42. A dense & hot (sometimes incandescent) cloud of volcanic ash and gas produced in a Pelean eruption.
satellite
hardness
water clarity
nuee ardente
43. A tool for measuring the relative clarity of water.
ozone depletion
rock
drainage divide
secchi disk
44. To wash or scrub away.
scour
fjord
absolute time
volcanic ash
45. A thick layer of soil.
foliated
sod
Greenhouse Effect
comet
46. An instrument that detects & magnifies & and records vibrations of the Earth & especially earthquakes.
bedrock
seismograph
inertia
kettle
47. Extending across a continent.
latitude
transcontinental
lithosphere
snow line
48. A device containing a free-swinging magnetic needle that is attracted to Earth's magnetic North Pole. Used to determine direction of travel.
body wave
lahar
precipitation
compass
49. A large volume of dust-sized particles lifted high into the atmosphere.
chlorophyll
dust storm
outer core
volcano
50. The oldest eon in Earth history & extending from the origin of the Earth to about 3.9 billion years ago.
renewable resources
Pluto
Hadean
metamorphic rock