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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 worldwide change in sea level & such as caused by melting glaciers.
eustatic change in sea level
caldera
Phanerozoic
sinkhole
2. 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.
moon
collisional Boundary
meteoroid
humus
3. Reduction of pore space between individual particles as the result of overlying sediments or of tectonic movements.
p- wave (primary wave & compressional wave)
siltation
fetch
compaction
4. Named after the Roman god of the sea. It is the eighth planet from the Sun.
neptune
Mercury
eon
foreshock
5. To change back and forth uncertainly.
groove
desertification
fluctuate
icecap
6. Imaginary lines on a map or globe that measure distance in degrees north or south of the equator. Latitude lines extend horizontally & from east to west on a globe.
stratum
continental shelf
water table
latitude
7. The transformation of a soil from a solid to a liquid state as the result of increased pore pressure.
Phanerozoic
Galileo
liquefaction
suspension
8. A commonly used scale of earthquake intensity.
breakwater
Modified Mercalli Scale
liquefaction
crater
9. Igneous. Antonym of intrusive. Synonym of volcanic. Pertaining to igneous rocks or features formed from lava released on the Earth's surface.
extrusive
oxbow lake
eustatic change in sea level
oal
10. Long narrow beaches separated in many places from the mainland by lagoons.
barrier beaches
biogenic sediment
Earth
dust storm
11. A system involving continuous interaction of the solid Earth & the atmosphere & the oceans and living things.
magma
you-shaped valley
secchi disk
Earth system
12. Weathering processes that are the result of chemical reactions. Example: the transformation of orthoclase to kaolinite.
decomposition (chemical weathering)
moon
fetch
nebula
13. The line separating land and water.
hydrologic cycle
acid
shoreline
breakwater
14. A type of volcanic eruption characterized by nuees ardentes and the development of lava domes.
Pelean eruption
caldera
subduction zone
longitude
15. A hot & gaseous & self-luminous celestial body & as the Sun.
Continntal Drift Theory
suspension
star
focus
16. Heat extracted from the Earth for use as an power source.
geothermal energy
Laurasia
Greenhouse Effect
gravity
17. The point on the Earth's surface that is directly above the focus of an earthquake.
crevasse
Cenozoic
thrust fault
epicenter
18. The internal resistance to flow in a liquid.
viscosity
basaltic
open pit mining
erratic
19. A general term for a relatively hard layer of soil at or just below the ground surface & cemented by silica & iron oxide & calcium carbonate & or organic matter.
specific gravity
compass
Laurasia
hardpan
20. Lacking in rainfall & very dry.
arid
sediment
hardpan
drainage divide
21. An individual grain or constituent of a rock.
clast
deflation
abundant metal
specific gravity
22. 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.
igneous rock
compaction
period
epoch
23. A reverse fault on which the dip angle of the fault plane is 15 degrees or less.
Milky Way
thrust fault
cinder cone
delta
24. The amount of dissolved salt in water.
focus
salinity
shoreline
flash flood
25. A pillar formed as a stalactite and stalagmite meet.
sandstorm
moon
inner core
column
26. A dense & hot (sometimes incandescent) cloud of volcanic ash and gas produced in a Pelean eruption.
pothole
you-shaped valley
surf
nuee ardente
27. Elongated rises on the ocean floor where basalt periodically erupts & forming new oceanic crust.
mid-ocean ridges
observator
siltation
landforms
28. Open pit mining & typically for coal.
magnetic polarity
strip mining
cartographer
transcontinental
29. The theory of Plate Tectonics states that the Earth's crust is fragmented into a dozen or more large and small pieces floating on a semi-molten mantle.
outer core
intertidal zone
plate tectonics
constellation
30. Heat transport by moving particles & and the thermal energy that they carry & to a new location.
nonfoliated
Andromeda
convection
rockfall
31. A steep or vertical cliff & either above or below sea level.
escarpment
pH
groin
hydrologic cycle
32. The areas of & in & or constituting a city.
urban
specific gravity
runoff
wind farm
33. A period of dryness & that when prolonged & causes damage to crops; a shortage of water.
drought
quarrying
bar
magma
34. That part of the continental margin that lies between the continental shelf and the continental rise. Slope relatively steep & 3o - 6o. The continental slope is underlain by crustal rocks of the continent.
continental slope
magnetic equator
quarrying
natural resources
35. Deserts formed by blocking moisture-bearing winds with mountain barriers.
zone of leaching
watershed
ground moraine
rain shadow deserts
36. A narrow strip of land that has water on either side and connects two larger bodies of water.
isthmus
epoch
cementation
telescope
37. 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.
rock cycle
Richter scale
ecosystem
tidal delta
38. A thick layer of soil.
latitude
climate
casts
sod
39. Living in water.
reef
core
aquatic
flood
40. A blanket of wind-driven sand with an upper surface about a meter above ground level.
lithification
rift (graben)
sandstorm
sedimentary rock
41. Sediment formed by chemical precipitation from water. Example: halite precipitated as the result of the evaporation of sea water.
inner core
island arc
chemical sediment
specific gravity
42. The dust-sized & sharp-edged & glassy particles resulting from an explosive volcanic eruption.
volcanic ash
extrusive
Proterozoic
flood
43. Any accumulation of material & by settling from water or air & chemical precipitation & evaporation from solution & etc.
humus
pipe
deposition
anemometer
44. Igneous. Antonym of intrusive. Synonym of volcanic. Pertaining to igneous rocks or features formed from lava released on the Earth's surface.
mid-ocean ridges
extrusive
dust bowl
climate
45. To preserve & or to avoid wasteful use.
conserve
bedrock
continental crust
drainage divide
46. A thickened elevated region of Earth's crust that is mainly (but not entirely) above sea level.
base
bar
ice shelf
continent
47. Any porous and permeable rock that yields oil or natural gas.
magma
fossil
reservoir rock
current speed
48. The height of a place above sea level.
elevation
caldera
intrusive
foreshock
49. The relationship between distances in the area being mapped and distances in the map itself.
glacier
Andromeda
scale
oxbow
50. 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.
till (unstratified drift)
oceanic trench
ozone
Proterozoic