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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. Lacking in rainfall & very dry.
arid
acid rain
igneous rock
luster
2. A plate boundary in which plates on opposite sides of the boundary move past each other in opposite directions. The San Andreas fault of California is a good example.
bedrock
archaean
transform boundary
geologic time scale
3. A layer of sedimentary rock; plural is strata.
inner core
plate
stratum
ore deposit
4. No identifiable layers of minerals in a rock sample
Mars
core
nonfoliated
oal
5. A sea level change due to change in load on Earth's crust.
isostatic change in sea level
hydrologic cycle
atoll
nutrient
6. The chronological sequence of units of Earth time.
geologic time scale
archipelago
Pelean eruption
mineral deposit
7. The reflection of light on a given mineral's surface & classified by intensity and quality.
runoff
glaciation
pahoehoe
luster
8. A broad & mound-like mass of glacier ice that usually spreads radially outward from a central zone.
ecosystem
ice sheet
wind farm
clastic
9. A slide involving a downward and usually sudden movement of newly detached segments of bedrock sliding or slipping over an inclined surface of weakness such as a bedding plane & fault plane & or joint surface.
oxbow lake
epoch
rockslide (rock avalanche)
current speed
10. A rigid segment of the Earth's lithosphere that moves horizontally and adjoins other plates along zones of seismic activity. Plates may include portions of both continents and ocean basins.
eustatic change in sea level
fossil
plate
petroleum
11. A sea wave produced by any large-scale & short duration disturbance on the seafloor & commonly a shallow submarine earthquake but possibly also a submarine slide or volcanic eruption.
pothole
rainforest
seismic sea wave (tsunami)
arch
12. Water beneath the Earth's surface.
ground water
drainage divide
Continntal Drift Theory
aftershock
13. A ridge of high water associated with a hurricane and which floods over the shore .
viscosity
eclipse
pahoehoe
storm surge
14. Deposits of wind-borne dust.
vesicle
loess
streak
seafloor spreading
15. The concept of a sequence of events involving the formation & alteration & destruction and reformation of rocks as a result of geologic processes.
rock cycle
ozone depletion
plutonic
plate tectonics
16. A fracture or zone of fractures along the boundaries of tectonic plates where movement has taken place.
fault
gravity
Hale-Bopp
arid
17. A group of islands; an expanse of water with scattered islands.
mineral
deposition
archipelago
inner core
18. The zones of seismic activity long which plates are in contact.
stalactite
clastic
plate boundaries
era
19. An instrument that merely indicates the occurrence of an earthquake.
mantle
seismoscope
zone of saturation
volcanic
20. A naturally occurring inorganic solid that has a well-defined chemical composition and in which atoms are arranged in an ordered fashion.
mineral
nebula
erosion
breakwater
21. 1. Breach in a natural levee . 2. Deep crevice or open fracture in glacier ice.
crevasse
collisional Boundary
density
sextant
22. A group of stars that appear to make a pattern in the sky. The Big Dipper is a constellation.
rockslide (rock avalanche)
shield volcano
constellation
habitat
23. A downward distortion or dimple in the water table that forms as a well pumps water faster than it can flow through the aquifer.
volcano
epoch
atmosphere
cone of depression
24. 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
soil
Pillow Lava
base
25. An era of time during the Phanerozoic eon lasting from 245 million years ago to 66.4 million ago.
deflation
Jupiter
cartographer
Mesozoic
26. The naturally occurring material from which a mineral or minerals of economic value can be extracted at a profit.
wave height
ore
scale
wave length
27. A narrow & steep-walled depression in the ocean floor & much deeper than the adjacent ocean and associated with a subduction zone.
continental divide
seismic sea wave (tsunami)
trench
Precambrian
28. The physical & chemical & and biological processes by which rock at or near the Earth's surface is broken down into smaller pieces.
weathering
tide
denudation
foliated
29. Gases (primarily water and carbon dioxide & but also a variety of sulfur and nitrogen compounds and gaseous hydrocarbons) that trap the Sun's heat in the atmosphere.
cleavage
peat
greenhouse gases
ozone depletion
30. A zone in the Earth between 400 and 670 km below the surface separating the upper mantle from the lower mantle.
caldera
prairie
p- wave (primary wave & compressional wave)
mesosphere
31. The explosion of a dying giant or supergiant star.
groin
Venus
nova -- (Supernova)
Modified Mercalli Scale
32. A narrow strip of land that has water on either side and connects two larger bodies of water.
galaxy
dust bowl
groove
isthmus
33. A community of plants and/or animals and its physical environment & regarded as a unit.
flash flood
ecosystem
cementation
superposition
34. 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.
Proterozoic
silicate
water clarity
particulate air pollution
35. Igneous. Antonym of intrusive. Synonym of volcanic. Pertaining to igneous rocks or features formed from lava released on the Earth's surface.
gemstone
intertidal zone
extrusive
transform boundary
36. A general term including both oil and natural gas.
petroleum
baseline study
seismic gap
Saturn
37. 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.
aftershock
crust
Richter scale
till (unstratified drift)
38. The southern portion of the late Paleozoic supercontinent known as Pangea. It means & literally 'Land of the Gonds' (a people of the Indian subcontinent).The supercontinent existed from Cambrian to Jurassic time & mainly composed of South America &
humus
foreshock
Gondwana
core
39. A group of islands; an expanse of water with scattered islands.
Mars
archipelago
Modified Mercalli Scale
drift
40. The upper horizons in a soil & through which gravitational moisture travels & removing soluble decomposition products.
telescope
greenhouse gases
zone of leaching
lava
41. A narrow & elongate region in which one lithospheric plate descends relative to another.
suspended load
volcanic
subduction zone
pH
42. Saturn is named after the Roman god of the harvest. It is the sixth planet from the Sun.
glaciation
Modified Mercalli Scale
ice shelf
Saturn
43. The distance between two successive wave crests or troughs.
wave length
seismic gap
plate boundaries
compaction
44. A type of thermal spring which ejects water intermittently with considerable force.
seismic gap
nova -- (Supernova)
lithification
geyser
45. The point on the Earth's surface that is directly above the focus of an earthquake.
watershed
ore deposit
Continntal Drift Theory
epicenter
46. 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.
delta
hardness
latitude
silicate
47. A collection of maps.
natural resources
atlas
fjord
convection cell
48. An aggregate of one or more minerals in varying proportions.
rock
basin
desertification
black smoker
49. 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
bedrock
renewable resources
nautical mile
50. The uprush of a wave onto the beach followed by the return flow of the water down the beach slope in the intervals between waves.
swash and back wash
wave length
pipe
cave