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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 part of the crust that directly underlies the continents and continental shelves. Averages about 35 km in thickness & but may be over 70 km thick under largest mountain ranges.
ozone depletion
geologic column
continental crust
snow line
2. The surface between the zone of saturation and the zone of aeration.
water table
weathering
ozone
transcontinental
3. A period of dryness & that when prolonged & causes damage to crops; a shortage of water.
volcanic
mineral
gravity
drought
4. A general term including both oil and natural gas.
basalt
petroleum
seismograph
Uniformitarianism
5. The areas of & in & or constituting a city.
barrier beaches
equator
urban
scale
6. The chronological sequence of units of Earth time.
geologic time scale
open pit mining
fold
erratic
7. A thick layer of soil.
moraine
constellation
sod
ecosystem
8. Where one plate slides beneath another plate as the two are pushed together & a subduction zone.
conserve
landforms
you-shaped valley
convergent boundary
9. A group of stars that appear to make a pattern in the sky. The Big Dipper is a constellation.
constellation
Pillow Lava
greenhouse gases
icecap
10. Mercury is named after the Roman messenger of the gods. It is the closest to the Sun.
pothole
Phanerozoic
tectonic Plates
Mercury
11. A stone or boulder & glacially transported from place of origin and left in an area of different bedrock composition.
oxbow lake
erratic
shore
seismoscope
12. Occurs at the intersection of the water table with the ground surface.
volcanic ash
spring
sediment
eon
13. Materials that are found in nature that are useful or necessary for people to live.
ablation
natural resources
lithification
geothermal energy
14. A person who makes maps.
foreshock
cementation
eclipse
cartographer
15. Temporary accumulations of sediments that collect between low and high water marks.
sedimentary rock
fold
beach
seismology
16. A thick layer of soil.
erosion
sod
satellite
continental crust
17. Deep steep-sided depression in the ocean floor caused by the subduction of oceanic crust beneath either other oceanic crust or continental crust.
oceanic trench
Cenozoic
tidal inlet
sod
18. An eruption of lava that takes place from a fracture & usually without producing a cone.
plain
fissure eruption
drought
current speed
19. Long narrow beaches separated in many places from the mainland by lagoons.
Greenhouse Effect
oal
clast
barrier beaches
20. 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.
Sun
compression fossil
continental rise
Jupiter
21. The sudden fall of one or more large pieces of a rock from a cliff.
rockfall
biogenic sedimentary rock
water clarity
asteroid
22. A reverse fault on which the dip angle of the fault plane is 15 degrees or less.
Saturn
Copernicus & Nicholas
intensity
thrust fault
23. A narrow & steep-walled depression in the ocean floor & much deeper than the adjacent ocean and associated with a subduction zone.
jetty
drainage basin
trench
ice sheet
24. The science that deals with the study of the planet Earth--the materials of which it is made & the processes that act to change these materials from one form to another & and the history recorded by these materials; the forces acting to deform the ou
geology
neptune
fissure eruption
nonfoliated
25. A conical volcano formed by the accumulation of pyroclastic debris around a vent.
cinder cone
tide
Mesozoic
lithosphere
26. 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.
inertia
Richter scale
mesosphere
El Nino
27. An instrument that detects & magnifies & and records vibrations of the Earth & especially earthquakes.
seafloor spreading
sediment
transform boundary
seismograph
28. The two days of the year on which the noon sun is directly overhead at either 23.5
archaean
shore
solstice
fjord
29. To change back and forth uncertainly.
meteoroid
silicate
fluctuate
Mesozoic
30. The closest galaxy to the Milky way. It is approximately 2 million light-years away.
Andromeda
Modified Mercalli Scale
suspended load
crystal
31. A lake of lava & usually basaltic & in a volcanic caldera.
barrier reef
continental shelf
suspended load
lava lake
32. Ratio between weight of given volume of material and weight of equal volume of pure water.
specific gravity
isostatic change in sea level
nova -- (Supernova)
streak
33. A rock changed from its original form and/or composition by heat & pressure &shearing stress & or chemically active fluids & or some combination of them.
metamorphic rock
sinkhole
rift (graben)
Proxima Centauri
34. Turbulent stream water flow down a steep gradient & but not as steep as in a waterfall.
rapids
mineral
caldera
petroleum
35. A hole or basin cut into bedrock of a stream by the abrasive action of pebbles and sand swirled by turbulent stream flow.
seismic gap
acid
intensity
pothole
36. The most recent eon of geologic time beginning 570 million years ago and continuing to the present.
Phanerozoic
continent
escarpment
dust storm
37. A Hawaiian term for a lava flow that has a rough & jagged surface.
mid-ocean ridges
compression fossil
aa
subduction
38. Large area of extremely flat ocean floor lying near a continent and generally over 4 km in depth.
cleavage
abyssal plain
latitude
comet
39. Distance over which wave-forming winds blow.
fetch
chlorophyll
black smoker
hemisphere
40. A collection of maps.
light-year
fossil fuel
hot spot
atlas
41. Produced as a wave steepens and falls forward as the wave nears the shore.
dust bowl
seamount
surf
drought
42. A worldwide change in sea level & such as caused by melting glaciers.
continental shelf
chemical sedimentary rock
volcano
eustatic change in sea level
43. A process of erosion in which wind carries off particles of dust and sand.
Laurasia
bedrock
glaciation
deflation
44. An era of geologic time lasting from 570 to 245 million years ago.
reservoir rock
Cenozoic
Paleozoic
back swamp
45. An area subject to dust storms & especially south central United States .
Modified Mercalli Scale
dust bowl
rainforest
tidal inlet
46. The rigid outer shell of the Earth. It includes the crust and uppermost mantle and is on the order of 100 km in thickness.
core
lithosphere
asteroid
seismograph
47. The presence of layers in some rocks caused by parallel alignment of minerals.
foliated
volcanic
outcrop
ablation
48. A tool for measuring the relative clarity of water.
swash and back wash
nutrient
terrestrial
secchi disk
49. A comet that passed Earth in 1997 and won't return to the inner solar system until the year 4377.
Paleozoic
hydrologic cycle
Hale-Bopp
subtropical deserts
50. A thickened elevated region of Earth's crust that is mainly (but not entirely) above sea level.
siltation
continent
swells
flood