SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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 most recent eon of geologic time beginning 570 million years ago and continuing to the present.
universe
black hole
surf
Phanerozoic
2. A mass of ice & formed by the recrystallization of snow & that flows forward & or has flowed at some time in the past.
compass Rose
seamount
cone of depression
glacier
3. As applied to glacier ice & the process by which ice below the snow line is wasted by evaporation and melting.
flood
ablation
basalt
smelting
4. The point on the Earth's surface where a magnetic needle points vertically downward (north magnetic pole) or vertically upward (south magnetic pole).
nautical mile
eclipse
epicenter
magnetic pole
5. The solid innermost part of the core with a diameter of a little over 1 &200 km.
conduction
Milky Way
atlas
inner core
6. A Hawaiian term for a basaltic lava flow with a smooth & or ropy surface.
Uranus
pathogen
plutonic
pahoehoe
7. A system that uses a constellation of 24 satellites & their ground stations & and individual GPS receivers to accurately locate points on Earth.
scientific model
solstice
viscosity
Global Positioning System (GPS)
8. A river that is able to maintain its flow through a desert because of water received from outside the desert.
exotic river
chlorofluorocarbons (CFC's)
nova -- (Supernova)
groove
9. Formed when an organism is flattened (compressed) and a thin film of organic material from its body is left in the rock.
levees
compression fossil
seamount
foliated
10. An area subject to dust storms & especially south central United States .
drainage divide
Andromeda
dust bowl
back swamp
11. The precipitation that runs directly off the surface to stream or body of standing water.
runoff
isostasy
epicenter
cartographer
12. Any accumulation of material & by settling from water or air & chemical precipitation & evaporation from solution & etc.
ozone layer
mineral
fold and thrust mountains
deposition
13. A person who makes maps.
cartographer
discharge
abyssal plain
sedimentary rock
14. A small & dust-bearing whirlwind.
swells
ozone
dust devil
beach
15. A guide to reading a map that typically contains distance scales & arrows indicating direction & and/or explanations of symbols used.
exotic river
axis
legend
crater
16. Sediment formed by chemical precipitation from water. Example: halite precipitated as the result of the evaporation of sea water.
chemical sediment
El Nino
surf
nova -- (Supernova)
17. An ingredient in a food or other substance that nourishes or promotes growth.
ground moraine
lava dome
convection cell
nutrient
18. A Hawaiian term for a basaltic lava flow with a smooth & or ropy surface.
swash and back wash
igneous rock
pahoehoe
barrier beaches
19. A pillar formed as a stalactite and stalagmite meet.
bar
satellite
column
watershed
20. In a stream & the volume of water passing through a channel in a given time.
surf
particulate air pollution
discharge
mid-ocean ridges
21. A famous scientist who proposed that the Sun was the center of the solar system not the Earth. (Heliocentrism)
luster
habitat
Copernicus & Nicholas
equator
22. A hot & gaseous & self-luminous celestial body & as the Sun.
star
seismic sea wave (tsunami)
seismoscope
Global Positioning System (GPS)
23. A commonly used scale of earthquake intensity.
Modified Mercalli Scale
habitat
constellation
disintegration (mechanical weathering)
24. 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.
runoff
epoch
volcanic ash
period
25. The top of a wave.
groundtruthing
stratification
sand dune
wave crest
26. An imaginary circle around the earth that represents the halfway mark between the North and South Poles and establishes the boundary between the Northern and Southern Hemispheres.
chlorophyll
ozone depletion
eon
equator
27. (Latin- Sol & Greek- Helios)the closest star to Earth. It is a giant ball of gas without any solid surface.
Sun
open pit mining
constellation
peat
28. Refers to rock or sediments made up primarily of broken fragments of pre-existing rocks or minerals.
s- wave (secondary wave & shear wave)
Precambrian
clastic
thermal spring
29. An icicle-shaped accumulation of dripstone hanging from cave roof.
stalactite
spring
acid rain
casts
30. The accumulation of material in layers or beds.
thermal spring
magnetic equator
Hale-Bopp
stratification
31. A steep or vertical cliff & either above or below sea level.
escarpment
gemstone
Cenozoic
continent
32. A large volume of dust-sized particles lifted high into the atmosphere.
seastack
dust storm
water table
galaxy
33. A planetary satellite.
mantle
crystal
mineral deposit
moon
34. A process of erosion in which wind carries off particles of dust and sand.
volcanic
deflation
isostasy
shore
35. A large amount of gas and dust in space & spread out in an immense volume.
tectonic Plates
nebula
ice sheet
archaean
36. Lacking in rainfall & very dry.
ice sheet
reserves
floodplain
arid
37. 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.
galaxy
oceanic crust
basalt
Prime Meridian
38. Objects revolving around the sun that are too small and too numerous to be considered planets.
pahoehoe
ecosystem
Milky Way
asteroid
39. A process by which salts accumulate in soil.
salinization
sinkhole
moraine
biogenic sediment
40. The current geologic era & which began 66.4 million years ago and continues to the present.
isostasy
Cenozoic
fjord
eon
41. The peak flow of water that tops the banks of a stream channel.
stalactite
aquifer
seismograph
flood
42. The great circle on the Earth's surface passing through The North and South Poles & which is considered 0 degrees longitude. The prime meridian passes through Greenwich & England & and is used as a reference point for measuring longitude east and w
global warming
magnitude
Prime Meridian
cleavage
43. The oldest eon in Earth history & extending from the origin of the Earth to about 3.9 billion years ago.
Hadean
equinox
streak
coast
44. 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.
chemical sedimentary rock
Proterozoic
seamount
Gondwana
45. 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.
axis
island arc
casts
groin
46. A depression in the ground formed by the melting of a block of glacier ice buried or partially buried by drift.
compaction
thermal spring
coast
kettle
47. A geometrical form taken by a mineral & giving external expression to orderly internal atomic arrangement.
crystal
oxbow
biogenic sediment
Richter scale
48. A thickened elevated region of Earth's crust that is mainly (but not entirely) above sea level.
magnetic equator
continent
humid
aa
49. The concept of a sequence of events involving the formation & alteration & destruction and reformation of rocks as a result of geologic processes.
archaean
streak
rock cycle
dust storm
50. Property possessed by certain rocks of breaking with relative ease along parallel planes or nearly parallel surfaces in their crystal structures where the bonds are weakest.
groundtruthing
strip mining
cleavage
elevation