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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. A deposit of partly decayed plant remains in a very wet environment; marsh or swamp deposit of plant remains containing more than 50 percent carbon.
ecosystem
seismoscope
Mars
peat
2. 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 .
karst
stormwater runoff
p- wave (primary wave & compressional wave)
gravity
3. The environment where a particular plant or animal is normally found.
erosion
chlorophyll
island arc
habitat
4. A mound or ridge of sediment deposited by a glacier.
moraine
chlorophyll
oxbow
salinization
5. A natural depression in the surface of the land caused by the collapse of the roof of a cavern or subterranean passage & generally occurring in limestone regions.
aquifer
sinkhole
humid
creep
6. An icicle-shaped accumulation of dripstone hanging from cave roof.
moraine
ground water
Global Positioning System (GPS)
stalactite
7. A giant structure that contains hundreds of billions of stars.
galaxy
abundant metal
crust
watershed
8. Water that flows across watersheds during and immediately after severe rainstorms. In populated areas & stormwater runoff is often water that cannot be handled by existing sewer systems. Stormwater runoff is the leading source of water pollution in t
stormwater runoff
compass
fault
pollutant
9. Banks of sand and silt along stream bank built by deposition in small increments during successive floods.
sand dune
levees
back swamp
plain
10. An individual grain or constituent of a rock.
flood
clast
Pillow Lava
liquefaction
11. Living in water.
constellation
aquatic
decomposition (chemical weathering)
core
12. Reduction of pore space between individual particles as the result of overlying sediments or of tectonic movements.
compaction
groundtruthing
isostasy
equator
13. The current geologic era & which began 66.4 million years ago and continues to the present.
thrust fault
dust bowl
viscosity
Cenozoic
14. Enormous & thick sheets of rock that are part of the Earth's upper mantle that move and adjoin each other along zones of seismic activity. Many tectonic plates extend underneath both continents and sea floor.
nautical mile
renewable resources
tectonic Plates
drainage divide
15. The Sun with all the celestial bodies that revolve around it.
wave height
specific gravity
solar system
geology
16. A division of geologic time next shorter than a period. Example: the Pleistocene epoch is in the Quaternary period.
epoch
metamorphic rock
clast
intrusive
17. The perpendicular or very steep descent of a stream.
waterfall
watershed
rockslide (rock avalanche)
particulate air pollution
18. 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.
plate
streak
divergent boundary
epoch
19. Living on land.
terrestrial
eclipse
acid
gravity
20. In a stream & the volume of water passing through a channel in a given time.
outer core
ablation
rain shadow deserts
discharge
21. An atmospheric shield providing the Earth with protection from ultra-violet rays which can cause sun burn & skin cancer and the destruction of the delicate plant life which supports the planet's food chain.
axis
precipitation
biogenic sedimentary rock
ozone layer
22. The height of a place above sea level.
triangulation
elevation
landforms
marine Chronometer
23. A person who makes maps.
crater
swash and back wash
cinder cone
cartographer
24. Any object that revolves around another object in space.
pothole
satellite
continental slope
drought
25. 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.
silicate
reef
axis
basalt
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.
drainage basin
equator
soil
basalt
27. Living parts of the environment that can renew or replace themselves.
oal
renewable resources
groundtruthing
strip mining
28. 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.
Pelean eruption
reef
arid
resources
29. As applied to glacier ice & the process by which ice below the snow line is wasted by evaporation and melting.
sand dune
ablation
geyser
rain shadow deserts
30. A thick layer of soil.
seamount
Global Positioning System (GPS)
sod
pollutant
31. The upper horizons in a soil & through which gravitational moisture travels & removing soluble decomposition products.
gemstone
global warming
zone of leaching
flash flood
32. The primary division of geologic time which are & from oldest to youngest & the Hadean & Archean & Proterozoic & and Phanerozoic eons.
galaxy
escarpment
eon
fringing reef
33. A group of islands; an expanse of water with scattered islands.
disintegration (mechanical weathering)
compaction
archipelago
Saturn
34. A steep-sided rounded extrusion of highly viscous lava squeezed out from a volcano and forming a dome-shaped or bulbous mass above and around the volcanic vent. The structure generally develops inside a volcanic crater.
plate tectonics
tidal inlet
lava dome
Uranus
35. The galaxy where Earth is located.
landforms
fracture
Milky Way
lava
36. A downward distortion or dimple in the water table that forms as a well pumps water faster than it can flow through the aquifer.
reservoir rock
cone of depression
ground water
nautical mile
37. A small ice sheet.
bar
mineral
reef
icecap
38. A unit of length used in sea navigation based on the length of 1 minute of arc on a great circle. On Earth & 1 minute of latitude.
mineral
ozone layer
nautical mile
observator
39. The zone below the zone of aeration in which all pore spaces are filled with water.
continent
seastack
oxbow lake
zone of saturation
40. A glaciated valley now flooded by the sea.
rockslide (rock avalanche)
peat
Pangea
fjord
41. 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.
Mercury
plate boundaries
rock cycle
continental slope
42. Iron & aluminum & magnesium & manganese & and titanium. Ores of the abundant metals only need to be 3 - 5 times as metal-rich as average rock.
ozone
clast
abundant metal
ore deposit
43. Pluto is named after the Roman god of the Underworld. No longer considered a planet.
Pluto
ozone depletion
clast
Pillow Lava
44. The condition of equilibrium & comparable to floating & of units of the lithosphere above the asthenosphere.
axis
black hole
isostasy
geothermal energy
45. 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.
chalk
intensity
ice shelf
Proterozoic
46. Surficial mining & in which the valuable rock is exposed by removal of overlying rock or soil.
drainage divide
fracture
open pit mining
volcano
47. Destruction of the ozone layer caused by the release of CFC's (chlorofluorocarbons) into the atmosphere which react chemically with ozone and break it down into different gases.
ozone depletion
compaction
seamount
plate boundaries
48. The theory of Plate Tectonics states that the Earth's crust is fragmented into a dozen or more large and small pieces floating on a semi-molten mantle.
breakwater
plate tectonics
equinox
outer core
49. A thickened elevated region of Earth's crust that is mainly (but not entirely) above sea level.
eclipse
continent
aa
biogenic sedimentary rock
50. 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
aquatic
wave crest
aquatic