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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. All of space and everything in it.
swells
column
reservoir rock
universe
2. A blanket of wind-driven sand with an upper surface about a meter above ground level.
Proterozoic
chemical sedimentary rock
ice sheet
sandstorm
3. Woodland that usually gets at least 100 inches of rain each year.
meander
drainage basin
water table
rainforest
4. The line formed by the intersection of the axial plane of a fold with a bedding plane & marking where the bed shows its maximum curvature.
lava lake
chlorophyll
axis
lava flood (plateau basalt)
5. The height of a place above sea level.
Pangea
ozone
elevation
geologic time scale
6. A pillar formed as a stalactite and stalagmite meet.
wave height
ozone layer
Laurasia
column
7. A curved belt of volcanic islands lying above a subduction zone.
geology
island arc
clast
seastack
8. A commonly used scale of earthquake intensity.
Modified Mercalli Scale
universe
transform boundary
nonfoliated
9. The principle that states the processes operating to change the Earth in the present also operated in the past.
anemometer
eclipse
Uniformitarianism
trench
10. A sedimentary rock composed primarily of biogenic sediments.
chemical sediment
fault
seastack
biogenic sedimentary rock
11. To preserve & or to avoid wasteful use.
region
conserve
oceanic trench
hardpan
12. The process of one plate descending beneath another.
subduction
Saturn
Earth system
biogenic sediment
13. A large area with common features that set it apart from other areas.
region
Prime Meridian
axis
swells
14. A supercontinent that existed from the Jurassic to Early Tertiary after splitting from Pangea; composed of Laurentia & Baltica & Avalonia & (modern North America & Scandinavia & Greenland & Western and Central Europe); eventually fragmented into Eur
galaxy
Richter scale
Laurasia
compression fossil
15. An individual grain or constituent of a rock.
boundary
pyroclastic
clast
deflation
16. 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'.
resources
drainage divide
you-shaped valley
fluctuate
17. 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.
pH
cinder cone
geologic column
continental shelf
18. A seismic body wave that involves particle motion & alternating compression and expansion & in the direction of wave propagation. It is the fastest seismic wave. compare S-wave .
soil
plain
water clarity
p- wave (primary wave & compressional wave)
19. A naturally occurring inorganic solid that has a well-defined chemical composition and in which atoms are arranged in an ordered fashion.
Modified Mercalli Scale
mineral
volcanic ash
lava dome
20. Banks of sand and silt along stream bank built by deposition in small increments during successive floods.
levees
surf
moon
glacier
21. An icicle-shaped accumulation of dripstone hanging from cave roof.
satellite
telescope
you-shaped valley
stalactite
22. The very small particles of dirt & soot & and other pollutants that are present in the air.
particulate air pollution
magma
fossil
storm surge
23. A depression in the ground formed by the melting of a block of glacier ice buried or partially buried by drift.
Uranus
kettle
fracture
pothole
24. The presence of layers in some rocks caused by parallel alignment of minerals.
foliated
primary productivity
moraine
focus
25. A thickened elevated region of Earth's crust that is mainly (but not entirely) above sea level.
zone of aeration
continent
moon
metamorphic rock
26. The zone below the zone of aeration in which all pore spaces are filled with water.
seafloor spreading
zone of saturation
denudation
estuary
27. 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.
jetty
humus
drought
sedimentary rock
28. Highly mafic igneous volcanic rock & typically fine-grained and dark in color; rough volcanic equivalent of gabbro. Basalt is the most abundant volcanic rock in the Earth's crust.
basalt
lahar
equator
weathering
29. Deserts in zones of descending air between 25 degrees and 30 degrees north and south latitude.
runoff
subtropical deserts
telescope
isthmus
30. The method of locating an epicenter by determining how far it lies from three widely separated seismographs.
superposition
compass
triangulation
Uranus
31. Produced as a wave steepens and falls forward as the wave nears the shore.
breakwater
streak
surf
observator
32. The symbol used on a map to indicate directions & both cardinal and ordinal.
legend
aquifer
discharge
compass Rose
33. The processes of weathering by which physical actions such as frost wedging break down a rock into fragments & involving no chemical change.
Earth system
conserve
disintegration (mechanical weathering)
El Nino
34. An accumulation of wind driven sand into a distinctive shape.
cave
asteroid
sand dune
latitude
35. 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.
precipitation
floodplain
continental slope
Sun
36. Occurs at the intersection of the water table with the ground surface.
spring
acid
asthenosphere
back swamp
37. A sedimentary rock composed of combustible matter derived from the partial decomposition of plant material.
natural resources
oal
hydrologic cycle
epicenter
38. Woodland that usually gets at least 100 inches of rain each year.
rainforest
dust devil
equinox
Sun
39. Elongated rises on the ocean floor where basalt periodically erupts & forming new oceanic crust.
zone of aeration
jetty
mid-ocean ridges
anemometer
40. The surface between the zone of saturation and the zone of aeration.
greenhouse gases
water table
ore deposit
wave height
41. The formation & advance and retreat of glaciers and the results of these activities.
basin
glaciation
fetch
chemical sediment
42. Sediment formed by chemical precipitation from water. Example: halite precipitated as the result of the evaporation of sea water.
beach
sextant
chemical sediment
gemstone
43. The condition of equilibrium & comparable to floating & of units of the lithosphere above the asthenosphere.
Copernicus & Nicholas
sandstorm
channelization
isostasy
44. The amount of dissolved salt in water.
levees
salinity
divergent boundary
dust bowl
45. To wash or scrub away.
continent
seamount
scour
intensity
46. Saturn is named after the Roman god of the harvest. It is the sixth planet from the Sun.
volcano
Pangea
Saturn
subduction
47. The dust-sized & sharp-edged & glassy particles resulting from an explosive volcanic eruption.
ground water
escarpment
crater
volcanic ash
48. To change back and forth uncertainly.
fluctuate
glaciation
coast
convection cell
49. A narrow strip of land that has water on either side and connects two larger bodies of water.
isthmus
global warming
acid rain
seismograph
50. 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.
reef
suspension
lava flood (plateau basalt)
seismic sea wave (tsunami)