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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 concept of a sequence of events involving the formation & alteration & destruction and reformation of rocks as a result of geologic processes.
rock cycle
zone of saturation
suspension
clastic
2. A plate boundary in which plates on opposite sides of the boundary move past each other in opposite directions. The San Andreas fault of California is a good example.
intrusive
transform boundary
seamount
solstice
3. 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.
ozone layer
disintegration (mechanical weathering)
lava dome
moraine
4. The vertical distance between the crest and adjacent trough of a wave.
lava flood (plateau basalt)
lava lake
suspension
wave height
5. A continuous well-defined mass of material of sufficient ore content to make extraction economically feasible. compare mineral deposit.
hardness
column
ore deposit
archaean
6. A commonly used measure of earthquake magnitude & based on a logarithmic scale. Each integral step on the scale represents a tenfold increase in the extent of ground shaking & as recorded on a seismograph.
basaltic
ozone depletion
sediment
Richter scale
7. The areas of & in & or constituting a city.
urban
secchi disk
hardpan
inertia
8. Living parts of the environment that can renew or replace themselves.
nonfoliated
column
renewable resources
Richter scale
9. A commonly used measure of earthquake magnitude & based on a logarithmic scale. Each integral step on the scale represents a tenfold increase in the extent of ground shaking & as recorded on a seismograph.
ground water
streak
Richter scale
magnetic polarity
10. 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.
kettle
continental slope
Proterozoic
mantle
11. A stone or boulder & glacially transported from place of origin and left in an area of different bedrock composition.
salinity
Earth system
you-shaped valley
erratic
12. Objects revolving around the sun that are too small and too numerous to be considered planets.
equator
wave length
asteroid
aquatic
13. 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'.
s- wave (secondary wave & shear wave)
icecap
stalagmite
you-shaped valley
14. Of or relating to or containing basalt & a dark & dense & extrusive rock that has a silica content of 40% to 50% and makes up most of the ocean floor.
basaltic
sedimentary rock
fissure eruption
solar system
15. The average weather conditions of an area over many years & as measured by temperature & wind speed & and precipitation.
floodplain
gravity
weathering
climate
16. An abandoned meander .
basalt
gravity
glaciation
oxbow
17. Reduction of pore space between individual particles as the result of overlying sediments or of tectonic movements.
superposition
latitude
compaction
glacier
18. A substance that produces negatively charged hydroxide ions ( OH- ) in water and reacts with acids to form salts.
coast
base
legend
discharge
19. An area in which a large number of windmills have been erected to generate electrical power.
Global Positioning System (GPS)
continental crust
wind farm
scientific model
20. An instrument used to measure the speed of wind.
inner core
anemometer
back swamp
black hole
21. A vent on the seafloor from which hydrothermal fluids are emitted. Upon mixing with seawater and cooling & the fluids precipitate a cloud of fine-grained sulfide minerals that resembles a cloud of black smoke.
specific gravity
black smoker
current speed
Pluto
22. Saturn is named after the Roman god of the harvest. It is the sixth planet from the Sun.
peat
drought
Saturn
particulate air pollution
23. As applied to glacier ice & the process by which ice below the snow line is wasted by evaporation and melting.
continental crust
archaean
ablation
ground water
24. Water beneath the Earth's surface.
ground water
bedrock
archaean
cone of depression
25. The very slow & generally continuous downslope movement of soil and debris under the influence of gravity.
steppe
surf
aa
creep
26. Deserts formed by blocking moisture-bearing winds with mountain barriers.
erosion
rain shadow deserts
deposition
gemstone
27. Containing moisture.
humid
Richter scale
ice shelf
beach
28. A thickened elevated region of Earth's crust that is mainly (but not entirely) above sea level.
Copernicus & Nicholas
continent
axis
Saturn
29. Any molten material that is extrusive or volcanic & or the rock that forms from a molten extrusive. Molten rock that flows at the Earth's surface.
luster
lava
bar
waterfall
30. The way in which a rock or mineral breaks in random patterns rather than cleaving
transform boundary
intertidal zone
nutrient
fracture
31. 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.
solar system
stormwater runoff
greenhouse gases
eclipse
32. An instrument that merely indicates the occurrence of an earthquake.
escarpment
seismoscope
baseline study
density
33. Distance over which wave-forming winds blow.
barrier reef
Hadean
fetch
eon
34. The precipitation that runs directly off the surface to stream or body of standing water.
moon
trench
runoff
pH
35. A coral reef attached directly to the mainland.
fringing reef
Precambrian
Global Positioning System (GPS)
jetty
36. A tool for measuring the relative clarity of water.
geologic column
humid
equator
secchi disk
37. A waterway from open ocean into a lagoon.
satellite
chemical sediment
chlorofluorocarbons (CFC's)
tidal inlet
38. A device containing a free-swinging magnetic needle that is attracted to Earth's magnetic North Pole. Used to determine direction of travel.
epoch
compass
cave
shield volcano
39. The average weather conditions of an area over many years & as measured by temperature & wind speed & and precipitation.
climate
equinox
cementation
asteroid
40. The condition of equilibrium & comparable to floating & of units of the lithosphere above the asthenosphere.
isostasy
cementation
Pluto
spring
41. 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.
isostatic change in sea level
gravity
continental rise
hardness
42. The Sun with all the celestial bodies that revolve around it.
rock
geology
solar system
cone of depression
43. The direction & north (normal) or south (reversed) & that a magnetic compass needle points.
epicenter
abundant metal
channelization
magnetic polarity
44. 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.
Paleozoic
mineral
denudation
pollutant
45. 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.
plate boundaries
clast
longitude
galaxy
46. 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.
drift
Global Positioning System (GPS)
continental rise
asteroid
47. A mudflow composed chiefly of pyroclastic material on the flanks of a volcano.
light-year
lahar
dust devil
rain shadow deserts
48. In a stream & the volume of water passing through a channel in a given time.
outer core
hemisphere
discharge
flood
49. A continuous well-defined mass of material of sufficient ore content to make extraction economically feasible. compare mineral deposit.
marine Chronometer
ore deposit
abyssal plain
fringing reef
50. An eon of geologic time extending from about 3.9 billion years to 2.5 billion years ago.
crevasse
seismic sea wave (tsunami)
conserve
archaean