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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 fracture or zone of fractures along the boundaries of tectonic plates where movement has taken place.
caldera
fault
magnetic polarity
acid
2. Named after the Roman god of the sea. It is the eighth planet from the Sun.
epicenter
ozone layer
Modified Mercalli Scale
neptune
3. Pertaining to clastic material formed by volcanic explosion or aerial expulsion from a volcanic vent.
pyroclastic
snow line
Pangea
equator
4. A general term including both oil and natural gas.
Andromeda
petroleum
lithosphere
chalk
5. A measure of the size of an earthquake in terms of the damage it causes.
arid
flash flood
intensity
plain
6. 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.
nova -- (Supernova)
humus
Mercury
lava lake
7. In the geologic time scale a unit of time less than an era and greater than an epoch. Example: The Tertiary period was the earliest period in the Cenozoic era and included & among others & the Eocene epoch.
water table
landforms
tide
period
8. Gases (primarily water and carbon dioxide & but also a variety of sulfur and nitrogen compounds and gaseous hydrocarbons) that trap the Sun's heat in the atmosphere.
Global Positioning System (GPS)
eustatic change in sea level
rockfall
greenhouse gases
9. An area of land that delivers runoff water & sediment & and dissolved substances to surface water bodies & such as rivers or lakes. All watersheds consist of boundaries & a basin and collection areas.
shoreline
asteroid
mantle
watershed
10. The most recent eon of geologic time beginning 570 million years ago and continuing to the present.
ice sheet
epicenter
density
Phanerozoic
11. A mound or ridge of sediment deposited by a glacier.
moraine
atlas
Galileo
particulate air pollution
12. The processes (mechanical and chemical) responsible for the wearing away & loosening & and dissolving of materials of the Earth's crust.
erosion
igneous rock
aquifer
exotic river
13. 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
reserves
caldera
primary productivity
Greenhouse Effect
14. 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 &
Cenozoic
seismology
Gondwana
pahoehoe
15. The portion of the continental margin that extends as a gently sloping surface from the shoreline seaward to a marked change in slope at the top of the continental slope . Seaward depth averages about 130 m.
permafrost
Galileo
surf
continental shelf
16. Any seismic wave that travels through the body of Earth & rather than along its surface.
body wave
Uniformitarianism
orogeny
flash flood
17. An icicle-shaped accumulation of dripstone hanging from cave roof.
Global Positioning System (GPS)
conduction
biogenic sedimentary rock
stalactite
18. Where two plates collide to form mountains.
cave
rock
collisional Boundary
basalt
19. A sharp bend & loop or turn in a stream's course. When abandoned & it is called a meander scar or an oxbow.
meander
karst
groove
ablation
20. Turbulent stream water flow down a steep gradient & but not as steep as in a waterfall.
drought
rapids
global warming
groove
21. A division of geologic time next shorter than a period. Example: the Pleistocene epoch is in the Quaternary period.
global warming
levees
epoch
runoff
22. A large area with common features that set it apart from other areas.
vesicle
tectonic Plates
groundtruthing
region
23. 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.
ozone depletion
fjord
scour
Pluto
24. An abandoned meander .
seamount
oxbow
column
global warming
25. A continuous well-defined mass of material of sufficient ore content to make extraction economically feasible. compare mineral deposit.
ore deposit
stratovolcano (composite volcano)
weathering
coast
26. A volcano in the shape of a flattened cone & broad and low & built by very fluid flows of basaltic lava.
pothole
deflation
intensity
shield volcano
27. Open pit mining & typically for coal.
eclipse
sediment
strip mining
comet
28. A group of stars that appear to make a pattern in the sky. The Big Dipper is a constellation.
surf
stratification
prairie
constellation
29. 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
stormwater runoff
cartographer
Pangea
dust devil
30. One of several rock-forming minerals that contain at least 95% silica (quartz). and usually one or more other common elements.
water table
silicate
pH
stratum
31. The amount of dissolved salt in water.
resources
denudation
hardness
salinity
32. A hot & gaseous & self-luminous celestial body & as the Sun.
cartographer
Saturn
tidal inlet
star
33. Banks of sand and silt along stream bank built by deposition in small increments during successive floods.
mid-ocean ridges
meander
levees
humid
34. The zones of seismic activity long which plates are in contact.
plate boundaries
nutrient
pipe
Jupiter
35. The portion of the continental margin that extends as a gently sloping surface from the shoreline seaward to a marked change in slope at the top of the continental slope . Seaward depth averages about 130 m.
region
salinization
continental shelf
Global Positioning System (GPS)
36. Similar to a groin but built to keep sand out of a harbor entrance.
mineral deposit
jetty
mineral deposit
glaciation
37. A thick layer of soil.
stratovolcano (composite volcano)
sod
precipitation
magma
38. A sharp bend & loop or turn in a stream's course. When abandoned & it is called a meander scar or an oxbow.
stormwater runoff
rockfall
current speed
meander
39. The low spot between two successive waves.
triangulation
wave trough
abyssal plain
vesicle
40. A study designed to collect critical data to be used for comparison or as a control in a later study.
seamount
zone of leaching
moraine
baseline study
41. 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.
karst
reserves
Earth
soil
42. A large volume of dust-sized particles lifted high into the atmosphere.
inertia
Uniformitarianism
aquatic
dust storm
43. 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.
asthenosphere
gemstone
Prime Meridian
basin
44. A dense & hot (sometimes incandescent) cloud of volcanic ash and gas produced in a Pelean eruption.
Phanerozoic
granitic
nuee ardente
aftershock
45. All of space and everything in it.
groundtruthing
crevasse
dust devil
universe
46. An earthquake that follows and has its epicenter near a larger earthquake.
aftershock
striations
ozone layer
intrusive
47. Soil conditions prevailing in area whose mean annual temperature is 0o C.
stratovolcano (composite volcano)
chlorofluorocarbons (CFC's)
permafrost
magnetic equator
48. A portable time keeper with a mechanism for ensuring accuracy and adjusting itself & used for determining longitude at sea.
ground water
fossil
marine Chronometer
magnetic pole
49. Any porous and permeable rock that yields oil or natural gas.
reservoir rock
geothermal energy
chemical sedimentary rock
tectonic Plates
50. 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.
igneous rock
base
marine Chronometer
basalt