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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 waste material that contaminates air & water & or soil.
mantle
hardpan
s- wave (secondary wave & shear wave)
pollutant
2. The weak or 'soft' zone in the upper mantle just below the lithosphere & involved in plate movement and isostatic adjustments. It lies 70 to 100 km below the surface and may extend to a depth of 400 km.
wave crest
humus
density
asthenosphere
3. A rock changed from its original form and/or composition by heat & pressure &shearing stress & or chemically active fluids & or some combination of them.
continental slope
landforms
plutonic
metamorphic rock
4. A community of plants and/or animals and its physical environment & regarded as a unit.
fetch
magnetic polarity
ecosystem
terrestrial
5. That portion of the Earth below the crust and reaching to about 2 &780 km & where a transition zone of about 100 km thickness separates it from the core.
mantle
Cenozoic
floodplain
oceanic trench
6. A person who makes maps.
epicenter
atoll
tidal delta
cartographer
7. A major drainage divide separating the drainage to one ocean from another.
continental divide
stalactite
ice sheet
foliated
8. Molten rock & containing dissolved gases and suspended solid particles. At the Earth's surface & magma is known as lava.
continental rise
runoff
magma
erratic
9. A flat & dry plain covered with short grass.
deflation
drought
sinkhole
steppe
10. An earthquake that follows and has its epicenter near a larger earthquake.
Saturn
basalt
floodplain
aftershock
11. A landscape that develops from the action of ground water in areas of easily soluble rocks. It is usually characterized by caves & underground drainage and sinkholes.
eon
karst
escarpment
seastack
12. A lake of lava & usually basaltic & in a volcanic caldera.
Galileo
water table
bedrock
lava lake
13. The part of the crust that directly underlies the continents and continental shelves. Averages about 35 km in thickness & but may be over 70 km thick under largest mountain ranges.
boundary
urban
continental crust
archaean
14. Woodland that usually gets at least 100 inches of rain each year.
rainforest
geyser
permafrost
surf
15. The amount of material a stream carries in suspension.
suspended load
epoch
casts
lava flood (plateau basalt)
16. A waste material that contaminates air & water & or soil.
watershed
oxbow
pollutant
discharge
17. The two days of the year on which the noon sun is directly overhead at either 23.5
basalt
intrusive
solstice
scale
18. The surface between the zone of saturation and the zone of aeration.
strip mining
seismic sea wave (tsunami)
cleavage
water table
19. The very small particles of dirt & soot & and other pollutants that are present in the air.
moon
estuary
particulate air pollution
silicate
20. Property possessed by certain rocks of breaking with relative ease along parallel planes or nearly parallel surfaces in their crystal structures where the bonds are weakest.
cleavage
abyssal plain
beach
crater
21. The process of one plate descending beneath another.
seismoscope
crystal
subduction
natural resources
22. The dust-sized & sharp-edged & glassy particles resulting from an explosive volcanic eruption.
seismic gap
sod
volcanic ash
mineral
23. A vertical conduit through the Earth's crust below a volcano & through Which magma has passed.
pipe
habitat
core
crater
24. Materials that are found in nature that are useful or necessary for people to live.
outcrop
kettle
natural resources
Copernicus & Nicholas
25. No identifiable layers of minerals in a rock sample
scientific model
nonfoliated
continental rise
hemisphere
26. 1. Breach in a natural levee . 2. Deep crevice or open fracture in glacier ice.
solstice
ore
lava lake
crevasse
27. The pattern of water circulation from the ocean to the atmosphere to the land and back to the ocean.
hydrologic cycle
Cenozoic
ore deposit
lava lake
28. A ball of ice and dust & whose orbit is a long & narrow ellipse.
Pelean eruption
comet
region
ablation
29. A continuous well-defined mass of material of sufficient ore content to make extraction economically feasible. compare mineral deposit.
Andromeda
fetch
ore deposit
s- wave (secondary wave & shear wave)
30. Any porous and permeable rock that yields oil or natural gas.
aquatic
telescope
hemisphere
reservoir rock
31. The layer of gases (air) & that surrounds a planet or moon.
atmosphere
Mars
rapids
mid-ocean ridges
32. A process by which salts accumulate in soil.
swells
rain shadow deserts
scour
salinization
33. A small ice sheet.
icecap
geology
vesicle
global warming
34. A device containing a free-swinging magnetic needle that is attracted to Earth's magnetic North Pole. Used to determine direction of travel.
light-year
cementation
basin
compass
35. Where one plate slides beneath another plate as the two are pushed together & a subduction zone.
galaxy
soil
continental shelf
convergent boundary
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.
lava flood (plateau basalt)
pipe
wave trough
hemisphere
37. The point on the Earth's surface that is directly above the focus of an earthquake.
primary productivity
clastic
intrusive
epicenter
38. 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.
cinder cone
deposition
bar
observator
39. 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.
Pelean eruption
solstice
continental shelf
luster
40. Heat extracted from the Earth for use as an power source.
lava
deflation
granitic
geothermal energy
41. A comet that passed Earth in 1997 and won't return to the inner solar system until the year 4377.
observator
Hadean
current speed
Hale-Bopp
42. The two days of the year on which neither hemisphere is tilted toward or away from the sun.
ground water
conduction
equinox
fold and thrust mountains
43. The process by which ocean floors spread laterally from crests of main ocean ridges. As material moves laterally from the ridge & new material replaces it along the ridge crest by welling upward from the mantle.
mesosphere
lava dome
seafloor spreading
superposition
44. The attractive force between two objects; its magnitude depends on their masses and the distance between them.
plutonic
Milky Way
fossil fuel
gravity
45. The very slow & generally continuous downslope movement of soil and debris under the influence of gravity.
Earth
barrier beaches
abyssal plain
creep
46. The relationship between distances in the area being mapped and distances in the map itself.
breakwater
scale
solstice
eclipse
47. A narrow & elongate region in which one lithospheric plate descends relative to another.
magnetic pole
oceanic trench
Galileo
subduction zone
48. A steep-sided rounded extrusion of highly viscous lava squeezed out from a volcano and forming a dome-shaped or bulbous mass above and around the volcanic vent. The structure generally develops inside a volcanic crater.
lava dome
silicate
abundant metal
conduction
49. Water beneath the Earth's surface.
ground water
stratification
continental rise
Modified Mercalli Scale
50. Bent rock strata.
lithosphere
isostatic change in sea level
subduction zone
fold