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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 production of living matter by organisms that make food using sunlight or chemicals. Usually expressed as grams of carbon per square meter per year.
primary productivity
wave length
collisional Boundary
barrier reef
2. Iron & aluminum & magnesium & manganese & and titanium. Ores of the abundant metals only need to be 3 - 5 times as metal-rich as average rock.
oxbow lake
quarrying
abundant metal
acid rain
3. The speed at which water flows.
Pillow Lava
karst
deflation
current speed
4. The very slow & generally continuous downslope movement of soil and debris under the influence of gravity.
geyser
creep
orogeny
steppe
5. Any accumulation of material & by settling from water or air & chemical precipitation & evaporation from solution & etc.
eclipse
deposition
current speed
striations
6. 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
granitic
Precambrian
glacier
tide
7. The solid innermost part of the core with a diameter of a little over 1 &200 km.
renewable resources
inner core
marine Chronometer
floodplain
8. The top of a wave.
wave crest
stalagmite
gemstone
Pangea
9. 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.
aftershock
basalt
lithification
compaction
10. Deposits of wind-borne dust.
lithosphere
runoff
loess
flood
11. An earthquake that follows and has its epicenter near a larger earthquake.
waterfall
soil
aftershock
inner core
12. 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.
transform boundary
continental crust
kettle
Uranus
13. The acidity in rain due to gases from internal combustion engines and coal- and oil-burning power plants.
decomposition (chemical weathering)
acid rain
crust
nonfoliated
14. 1. Breach in a natural levee . 2. Deep crevice or open fracture in glacier ice.
oxbow
crevasse
Earth system
strip mining
15. A supercontinent that existed from the the end of the Permian to the Jurassic & 300 to 200 million years ago & assembled from large continents like Euramerica & Gondwana & and Siberia & as well as smaller landmasses like the Cathaysian and Cimmerian
Pangea
zone of leaching
eon
abyssal plain
16. A substance that produces positively charged hydrogen ions (H+) when dissolved in water.
acid
storm surge
Proterozoic
striations
17. A depression in the ground formed by the melting of a block of glacier ice buried or partially buried by drift.
abyssal plain
channelization
kettle
scale
18. The closest galaxy to the Milky way. It is approximately 2 million light-years away.
zone of saturation
absolute time
Andromeda
Modified Mercalli Scale
19. Elongated rises on the ocean floor where basalt periodically erupts & forming new oceanic crust.
magnitude
mid-ocean ridges
groove
rapids
20. A worldwide change in sea level & such as caused by melting glaciers.
eustatic change in sea level
archaean
universe
volcanic ash
21. An eon of geologic time extending from about 3.9 billion years to 2.5 billion years ago.
rock
seismic gap
archaean
longitude
22. The primary division of geologic time which are & from oldest to youngest & the Hadean & Archean & Proterozoic & and Phanerozoic eons.
geologic column
eon
stormwater runoff
continental slope
23. 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
calving
moraine
deflation
Laurasia
24. 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
ground water
quarrying
Greenhouse Effect
Greenhouse Effect
25. A division of geologic time next smaller than the eon and larger than a period. Example: The Paleozoic era is in the Phanerozoic eon and includes & among others & the Devonian period.
era
breakwater
galaxy
s- wave (secondary wave & shear wave)
26. The rock beneath the soil.
outcrop
arch
bedrock
moraine
27. Deserts in zones of descending air between 25 degrees and 30 degrees north and south latitude.
mantle
subtropical deserts
stalagmite
Global Positioning System (GPS)
28. A small ice sheet.
atlas
lithification
rockfall
icecap
29. The rigid outer shell of the Earth. It includes the crust and uppermost mantle and is on the order of 100 km in thickness.
Hale-Bopp
greenhouse gases
lithosphere
basin
30. A stone or boulder & glacially transported from place of origin and left in an area of different bedrock composition.
you-shaped valley
striations
erratic
Gondwana
31. The production of living matter by organisms that make food using sunlight or chemicals. Usually expressed as grams of carbon per square meter per year.
creep
magma
primary productivity
thrust fault
32. A hole or basin cut into bedrock of a stream by the abrasive action of pebbles and sand swirled by turbulent stream flow.
pothole
Richter scale
seismic sea wave (tsunami)
isostasy
33. The outermost layer of the Earth & varying in thickness from about 10 kilometers (6 miles) below the oceans & to 65 kilometers (about 40 miles) below the continents; represents less than 1 percent of the Earth's volume.
core
mineral deposit
crust
tell
34. Lies half way between the north and south magnetic poles.
creep
baseline study
magnetic equator
nonfoliated
35. The Sun with all the celestial bodies that revolve around it.
black hole
solar system
subduction zone
icecap
36. Deposition of fine mineral particles (silt) on the beds of streams or lakes.
creep
siltation
axis
nova -- (Supernova)
37. An artificial hill formed by the debris of successive human settlements.
exotic river
s- wave (secondary wave & shear wave)
mineral
tell
38. A disease-causing organism or entity & such as a bacterium or virus.
pathogen
seastack
climate
thermal spring
39. The presence of layers in some rocks caused by parallel alignment of minerals.
cartographer
foliated
atlas
boundary
40. 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.
erratic
watershed
abundant metal
continental crust
41. Bent rock strata.
aquatic
fold
wave length
viscosity
42. An instrument used to measure the speed of wind.
trench
era
wave length
anemometer
43. 1. A low & bowl-shaped area of land surrounded by higher lands. 2. any large depression in which sediments are deposited.
basin
creep
wave trough
clast
44. Igneous. Antonym of intrusive. Synonym of volcanic. Pertaining to igneous rocks or features formed from lava released on the Earth's surface.
basin
caldera
extrusive
island arc
45. Banks of sand and silt along stream bank built by deposition in small increments during successive floods.
Proxima Centauri
wave height
levees
flood
46. A protective wall built offshore and usually parallel to the shore.
breakwater
divergent boundary
convection cell
geologic time scale
47. A large amount of gas and dust in space & spread out in an immense volume.
nebula
seismic sea wave (tsunami)
neptune
jetty
48. The effect of water and carbon dioxide absorbing outgoing infrared radiation & raising a system's temperature. The term is generally used with reference to the Earth's temperature & although it can also be applied to other systems & such as greenhous
Greenhouse Effect
fracture
core
latitude
49. A sedimentary rock composed primarily of biogenic sediments.
snow line
biogenic sedimentary rock
flood
dust devil
50. Deposits of wind-borne dust.
loess
baseline study
breakwater
pathogen