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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 outermost part of the core. It is liquid & about 1 &700 km thick & and separated from the inner & solid core by a transition zone about 565 km thick.
kettle
groundtruthing
outer core
star
2. A term applied to large areas of basaltic lava presumably extruded from fissures.
base
chemical sediment
lava flood (plateau basalt)
fossil fuel
3. A zone in the Earth between 400 and 670 km below the surface separating the upper mantle from the lower mantle.
cone of depression
biogenic sediment
mesosphere
prairie
4. (Greek-Aphrodite)named after the Roman goddess of love. It is the planet closest in size to Earth and the second planted from the Sun.
sandstorm
Venus
ozone depletion
atmosphere
5. A wall built out from the shore & usually at perpendicular to it to trap sand carried by longshore currents .
groin
crater
disintegration (mechanical weathering)
ozone
6. A large & basin-shaped volcanic depression & more or less circular in form. Typically steep-sided & found at the summit of a shield volcano.
caldera
Galileo
convection
silicate
7. Deposits of wind-borne dust.
loess
acid rain
greenhouse gases
Sun
8. A geometrical form taken by a mineral & giving external expression to orderly internal atomic arrangement.
crystal
weathering
groin
seismic sea wave (tsunami)
9. The environment where a particular plant or animal is normally found.
habitat
coast
mineral deposit
lava lake
10. The elevation at which snow persists throughout the year.
sextant
climate
snow line
arid
11. The arrangement of rock units in the proper chronological order from youngest to oldest.
suspended load
zone of saturation
geologic column
Galileo
12. Water beneath the Earth's surface.
ore deposit
kettle
ground water
crater
13. The prediction that climate will warm as a result of the addition to the atmosphere of humanly produced greenhouse gases.
bar
plate boundaries
global warming
watershed
14. A flood that rises and falls very rapidly.
meander
flash flood
conduction
Richter scale
15. The point on the Earth's surface where a magnetic needle points vertically downward (north magnetic pole) or vertically upward (south magnetic pole).
ozone
swash and back wash
magnetic pole
epicenter
16. That portion of the resources for a valuable mineral commodity that can be extracted from the Earth at a profit today.
reservoir rock
strip mining
reserves
secchi disk
17. A thick layer of soil.
sod
peat
flash flood
star
18. A comet that passed Earth in 1997 and won't return to the inner solar system until the year 4377.
pyroclastic
weathering
Milky Way
Hale-Bopp
19. An instrument that merely indicates the occurrence of an earthquake.
you-shaped valley
water table
fossil fuel
seismoscope
20. A hole or basin cut into bedrock of a stream by the abrasive action of pebbles and sand swirled by turbulent stream flow.
outcrop
pothole
shore
arch
21. A curved belt of volcanic islands lying above a subduction zone.
satellite
island arc
sediment
clastic
22. Lava extruded beneath water characterized by pillow shapes.
tectonic Plates
Hadean
crater
Pillow Lava
23. A tool for measuring the relative clarity of water.
secchi disk
calving
magnitude
trench
24. Containing moisture.
natural resources
p- wave (primary wave & compressional wave)
tidal delta
humid
25. The condition of equilibrium & comparable to floating & of units of the lithosphere above the asthenosphere.
thrust fault
pyroclastic
geology
isostasy
26. The tendency of a moving object to continue in a straight line or a stationary object to remain in place.
rockslide (rock avalanche)
lava flood (plateau basalt)
you-shaped valley
inertia
27. A ridge of high water associated with a hurricane and which floods over the shore .
convection cell
storm surge
salinization
icecap
28. The way in which a rock or mineral breaks in random patterns rather than cleaving
wave height
volcano
rain shadow deserts
fracture
29. A device containing a free-swinging magnetic needle that is attracted to Earth's magnetic North Pole. Used to determine direction of travel.
humus
solstice
compass
marine Chronometer
30. 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.
nautical mile
conduction
s- wave (secondary wave & shear wave)
particulate air pollution
31. The surface between the zone of saturation and the zone of aeration.
soil
water table
moraine
tell
32. A large area with common features that set it apart from other areas.
you-shaped valley
geyser
region
intensity
33. An isolated & steep-sided & rocky mass or island just offshore from a rocky headland & usually on a shore platform.
seastack
density
continental divide
shield volcano
34. 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.
star
salinity
plate
pothole
35. The persistence of wind-formed waves after wind ceases.
bedrock
Galileo
cartographer
swells
36. To wash or scrub away.
scour
loess
ozone
Hale-Bopp
37. The distance between two successive wave crests or troughs.
eclipse
ozone layer
soil
wave length
38. Pertaining to clastic material formed by volcanic explosion or aerial expulsion from a volcanic vent.
pyroclastic
anemometer
hot spot
silicate
39. A waterway from open ocean into a lagoon.
stratovolcano (composite volcano)
island arc
you-shaped valley
tidal inlet
40. A ridge of high water associated with a hurricane and which floods over the shore .
fetch
zone of aeration
storm surge
sediment
41. A division of geologic time next shorter than a period. Example: the Pleistocene epoch is in the Quaternary period.
epoch
Andromeda
archipelago
baseline study
42. Sediments produced directly by the life processes of plants or animals.
biogenic sediment
solar system
Mesozoic
chemical sediment
43. The height of a place above sea level.
Richter scale
fossil fuel
elevation
ice shelf
44. A soft compact calcite & CaCO3 & with varying amounts of silica & quartz & feldspar & or other mineral impurities & generally gray-white or yellow-white and derived chiefly from fossil seashells.
chalk
intensity
Phanerozoic
body wave
45. A flood that rises and falls very rapidly.
isostasy
meander
flash flood
frost wedging
46. Where two plates are moving in opposite directions as in a mid-ocean ridge.
specific gravity
mineral
divergent boundary
seismograph
47. The first scientist to make systematic use of the telescope in looking at the heavens.
seastack
Galileo
light-year
legend
48. A natural open space underground & large enough for a person to enter. Most commonly occur by the dissolution of soluble rocks & generally limestone.
comet
loess
continental divide
cave
49. A group of islands; an expanse of water with scattered islands.
zone of leaching
fold and thrust mountains
archipelago
tell
50. An eon of geologic time extending from about 3.9 billion years to 2.5 billion years ago.
continental rise
reserves
archaean
anemometer