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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 thick layer of soil.
sod
jetty
pyroclastic
abyssal plain
2. A measure of acidity.
drought
plate boundaries
stratovolcano (composite volcano)
pH
3. The tectonic region in which two plates meet.
particulate air pollution
boundary
global warming
oceanic trench
4. The zone below the zone of aeration in which all pore spaces are filled with water.
arch
focus
zone of saturation
inertia
5. The concept of a sequence of events involving the formation & alteration & destruction and reformation of rocks as a result of geologic processes.
collisional Boundary
rock cycle
equinox
till (unstratified drift)
6. The point on the Earth's surface that is directly above the focus of an earthquake.
epicenter
primary productivity
granitic
continental rise
7. A hydrocarbon (coal or petroleum) that can be extracted from the Earth for use as a fuel. Fossil fuels are non-renewable energy sources.
gravity
legend
petroleum
fossil fuel
8. The persistence of wind-formed waves after wind ceases.
swells
reservoir rock
snow line
aa
9. A low & nearly flat accumulation of sediment deposited at the mouth of a river or stream & commonly triangular or fan-shaped.
groin
chlorophyll
seamount
delta
10. A sedimentary rock composed of combustible matter derived from the partial decomposition of plant material.
beach
column
volcanic ash
oal
11. A lake in an abandoned meander.
oxbow lake
constellation
water table
thrust fault
12. 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.
thermal spring
mantle
intertidal zone
eon
13. An area subject to dust storms & especially south central United States .
dust bowl
era
rock cycle
isostatic change in sea level
14. A process of land degradation initiated by human activity & particularly in the zones along the margins of deserts.
inner core
convection
particulate air pollution
desertification
15. A spring whose temperature is 6.5o C or more above mean annual air temperature.
thermal spring
observator
seamount
cartographer
16. 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.
transform boundary
crust
coast
Mercury
17. The process by which building stone & usually in blocks or sheets & is extracted from the Earth. radiation -- (Electromagnetic radiation) -- energy that travels through space in the form of waves without the intervention of matter & as in the transp
quarrying
fold and thrust mountains
deflation
pahoehoe
18. A guide to reading a map that typically contains distance scales & arrows indicating direction & and/or explanations of symbols used.
epoch
escarpment
legend
pipe
19. Soil conditions prevailing in area whose mean annual temperature is 0o C.
abyssal plain
resources
flood
permafrost
20. A deposit of partly decayed plant remains in a very wet environment; marsh or swamp deposit of plant remains containing more than 50 percent carbon.
swells
peat
casts
drift
21. A roughly circular reef with an occasional small & low & coral sand island surrounding a shallow lagoon.
seismograph
humus
atoll
drainage basin
22. An eon of geologic time extending from about 3.9 billion years to 2.5 billion years ago.
urban
seismic sea wave (tsunami)
geothermal energy
archaean
23. Distance over which wave-forming winds blow.
atlas
fetch
strip mining
deflation
24. Deposition of fine mineral particles (silt) on the beds of streams or lakes.
steppe
ozone
siltation
compass Rose
25. Any solid material that has settled out of a state of suspension in liquid.
sediment
Saturn
natural resources
solstice
26. A rigid segment of the Earth's lithosphere that moves horizontally and adjoins other plates along zones of seismic activity. Plates may include portions of both continents and ocean basins.
solar system
plate
resources
Proxima Centauri
27. A major drainage divide separating the drainage to one ocean from another.
pathogen
continental divide
chlorophyll
solstice
28. The great circle on the Earth's surface passing through The North and South Poles & which is considered 0 degrees longitude. The prime meridian passes through Greenwich & England & and is used as a reference point for measuring longitude east and w
Paleozoic
rockslide (rock avalanche)
island arc
Prime Meridian
29. A rock changed from its original form and/or composition by heat & pressure &shearing stress & or chemically active fluids & or some combination of them.
snow line
rapids
metamorphic rock
scientific model
30. Mars is named after the Roman god of war. It is the fourth planet from the Sun.
Laurasia
Mars
seismic gap
kettle
31. The attractive force between two objects; its magnitude depends on their masses and the distance between them.
Pluto
chalk
gravity
jetty
32. Where one plate slides beneath another plate as the two are pushed together & a subduction zone.
sedimentary rock
plutonic
pipe
convergent boundary
33. An individual grain or constituent of a rock.
particulate air pollution
clast
Andromeda
rapids
34. A volcano in the shape of a flattened cone & broad and low & built by very fluid flows of basaltic lava.
shield volcano
jetty
ice shelf
comet
35. A chuck of rock or dust in space.
geology
aftershock
Uranus
meteoroid
36. Any seismic wave that travels through the body of Earth & rather than along its surface.
flood
shoreline
equator
body wave
37. A method of sediment transport in which the turbulence of a fluid is able to keep particles supported in the fluid.
longitude
groin
atoll
suspension
38. An artificial hill formed by the debris of successive human settlements.
Paleozoic
seamount
tell
streak
39. The innermost zone of Earth. It consists of two parts & an outer liquid section and an inner solid section & both chiefly of iron and nickel with about 10 percent lighter elements. It is surrounded by the mantle.
reservoir rock
levees
core
precipitation
40. A group of stars that appear to make a pattern in the sky. The Big Dipper is a constellation.
channelization
tidal inlet
nautical mile
constellation
41. 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'.
you-shaped valley
fossil fuel
pipe
chemical sedimentary rock
42. A molecule composed of three atoms of oxygen and mostly found in the stratosphere. Though beneficial in the upper atmosphere & at ground level & ozone is called photochemical smog & and is a respiratory irritant and considered a pollutant.
satellite
island arc
ozone
axis
43. The symbol used on a map to indicate directions & both cardinal and ordinal.
rock
compass Rose
pollutant
ozone layer
44. A study designed to collect critical data to be used for comparison or as a control in a later study.
oxbow lake
zone of saturation
column
baseline study
45. (Greek-Aphrodite)named after the Roman goddess of love. It is the planet closest in size to Earth and the second planted from the Sun.
coast
zone of saturation
eclipse
Venus
46. A commonly used scale of earthquake intensity.
Modified Mercalli Scale
sinkhole
Laurasia
oal
47. A narrow & elongate region in which one lithospheric plate descends relative to another.
floodplain
Venus
basin
subduction zone
48. A large ridge or mound-like structure within a body of water that is built by calcareous organisms such as corals & red algae & and bivalves.
oal
seismic gap
archipelago
reef
49. A river that is able to maintain its flow through a desert because of water received from outside the desert.
chemical sediment
exotic river
Venus
collisional Boundary
50. The most recent eon of geologic time beginning 570 million years ago and continuing to the present.
scale
volcano
Phanerozoic
rift (graben)