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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 point on the Earth's surface where a magnetic needle points vertically downward (north magnetic pole) or vertically upward (south magnetic pole).
magnetic pole
core
fjord
Continntal Drift Theory
2. The physical & chemical & and biological processes by which rock at or near the Earth's surface is broken down into smaller pieces.
swells
Cenozoic
ablation
weathering
3. 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.
asthenosphere
scour
glacier
geologic time scale
4. Glacial deposits laid down directly by glaciers or laid down in lakes & ocean & or streams as result of glacial activity.
humus
drift
island arc
floodplain
5. A vertical conduit through the Earth's crust below a volcano & through Which magma has passed.
jetty
pipe
Modified Mercalli Scale
viscosity
6. The study of earthquakes & and of the structure of the Earth by both natural and artificially generated seismic waves.
seismology
fjord
climate
chlorofluorocarbons (CFC's)
7. The average weather conditions of an area over many years & as measured by temperature & wind speed & and precipitation.
climate
subduction
floodplain
inner core
8. An aggregate of one or more minerals in varying proportions.
specific gravity
tide
rock
lithosphere
9. The geologic eon lying between the Archean and Phanerozoic eons & beginning about 2.5 billion years ago and ending about 0.57 billion years ago.
biogenic sediment
sinkhole
scour
Proterozoic
10. The upper horizons in a soil & through which gravitational moisture travels & removing soluble decomposition products.
Uranus
eon
convection cell
zone of leaching
11. Synonym of intrusive. Antonym of volcanic. Applies to igneous rocks formed beneath the surface of the Earth; typically with large crystals due to the slowness of cooling.
eon
lithosphere
plutonic
Mars
12. A lake of lava & usually basaltic & in a volcanic caldera.
oal
eon
lava lake
latitude
13. The dust-sized & sharp-edged & glassy particles resulting from an explosive volcanic eruption.
till (unstratified drift)
volcanic ash
rock
magnetic pole
14. An eruption of lava that takes place from a fracture & usually without producing a cone.
nuee ardente
aftershock
Prime Meridian
fissure eruption
15. The resistance of a mineral to scratching & as measured by the Mohs scale.
drainage basin
hardness
equinox
fluctuate
16. Heat transport by moving particles & and the thermal energy that they carry & to a new location.
inertia
humus
era
convection
17. A blanket of wind-driven sand with an upper surface about a meter above ground level.
marine Chronometer
back swamp
sandstorm
sediment
18. The concept of a sequence of events involving the formation & alteration & destruction and reformation of rocks as a result of geologic processes.
rock cycle
ground moraine
body wave
kettle
19. The average weather conditions of an area over many years & as measured by temperature & wind speed & and precipitation.
climate
drift
metamorphic rock
thrust fault
20. 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.
bar
rock
continental crust
fjord
21. The outermost part of the core. It is liquid & about 1 &700 km thick & and separated from the inner & solid core by a transition zone about 565 km thick.
neptune
Milky Way
outer core
aa
22. A thick layer of soil.
sod
watershed
Paleozoic
denudation
23. The theory that states that the present-day continents are the fragmented pieces of preexisting larger landmasses called supercontinents.
Continntal Drift Theory
water table
continental slope
abundant metal
24. Pertaining to or composed of granite & a coarse-grained igneous rock dominated by light-colored minerals & consisting of about 50 percent orthoclase & 25 percent quartz & and balance of feldspars and ferromagnesian silicates. Granite is commonly foun
nuee ardente
atmosphere
sedimentary rock
granitic
25. A lake in an abandoned meander.
mantle
delta
oxbow lake
continental shelf
26. 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.
trench
plate boundaries
continental rise
hardpan
27. A broad & mound-like mass of glacier ice that usually spreads radially outward from a central zone.
ice sheet
Proterozoic
mineral
water table
28. A Hawaiian term for a basaltic lava flow with a smooth & or ropy surface.
glaciation
sandstorm
biogenic sediment
pahoehoe
29. To change back and forth uncertainly.
convection
climate
fluctuate
snow line
30. A small & dust-bearing whirlwind.
fissure eruption
dust devil
coast
caldera
31. Produced as a wave steepens and falls forward as the wave nears the shore.
pollutant
surf
Hadean
stratum
32. A ball of ice and dust & whose orbit is a long & narrow ellipse.
fold and thrust mountains
moon
terrestrial
comet
33. That portion of the resources for a valuable mineral commodity that can be extracted from the Earth at a profit today.
ozone layer
stratum
reserves
you-shaped valley
34. One of several rock-forming minerals that contain at least 95% silica (quartz). and usually one or more other common elements.
silicate
global warming
crater
estuary
35. A famous scientist who proposed that the Sun was the center of the solar system not the Earth. (Heliocentrism)
Copernicus & Nicholas
Hale-Bopp
current speed
metamorphic rock
36. The way in which a rock or mineral breaks in random patterns rather than cleaving
fracture
back swamp
cone of depression
geology
37. The symbol used on a map to indicate directions & both cardinal and ordinal.
geothermal energy
compass Rose
habitat
universe
38. A study designed to collect critical data to be used for comparison or as a control in a later study.
baseline study
intensity
Sun
transform boundary
39. The sudden fall of one or more large pieces of a rock from a cliff.
urban
superposition
Earth
rockfall
40. A type of disintegration in which jointed rock is forced apart by the expansion of water as it freezes in fractures.
telescope
frost wedging
icecap
shore
41. A glaciated valley now flooded by the sea.
intensity
fjord
abundant metal
cinder cone
42. 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.
eclipse
lava
continental rise
convection cell
43. Rock formed from the accumulation of sediment & Which may consist of fragments and mineral grains of varying sizes from pre-existing rocks & remains or products of animals and plants & the products of chemical action & or mixtures of these.
mineral deposit
sedimentary rock
collisional Boundary
subtropical deserts
44. The distance between two successive wave crests or troughs.
granitic
hardpan
wave length
disintegration (mechanical weathering)
45. The reserves of a valuable mineral commodity plus all other mineral deposits that may eventually become available & even those that are presumed to exist but have not yet been discovered and those that are not economically or technologically exploita
nonfoliated
resources
lava
shoreline
46. A type of thermal spring which ejects water intermittently with considerable force.
lithification
ablation
geyser
epicenter
47. A small & dust-bearing whirlwind.
seismoscope
weathering
fossil
dust devil
48. A rock changed from its original form and/or composition by heat & pressure &shearing stress & or chemically active fluids & or some combination of them.
sediment
superposition
renewable resources
metamorphic rock
49. Sediment formed by chemical precipitation from water. Example: halite precipitated as the result of the evaporation of sea water.
cinder cone
levees
open pit mining
chemical sediment
50. 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.
El Nino
wave length
epicenter
watershed