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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 top of a wave.
Mars
cinder cone
wave crest
volcanic ash
2. Glacial deposits laid down directly by glaciers or laid down in lakes & ocean & or streams as result of glacial activity.
levees
suspended load
drift
metamorphic rock
3. 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.
plate tectonics
rain shadow deserts
region
water table
4. An instrument that merely indicates the occurrence of an earthquake.
seismoscope
Precambrian
isostasy
ore
5. No identifiable layers of minerals in a rock sample
compass
nonfoliated
foreshock
humus
6. Jupiter is named after the Roman king of the gods. It is the fifth planet from the Sun.
breakwater
spring
nebula
Jupiter
7. The rigid outer shell of the Earth. It includes the crust and uppermost mantle and is on the order of 100 km in thickness.
basin
lithosphere
seismic gap
urban
8. The physical & chemical & and biological processes by which rock at or near the Earth's surface is broken down into smaller pieces.
wave height
star
anemometer
weathering
9. A narrow & steep-walled depression in the ocean floor & much deeper than the adjacent ocean and associated with a subduction zone.
mineral
creep
trench
orogeny
10. Open pit mining & typically for coal.
pathogen
inner core
strip mining
reservoir rock
11. 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.
you-shaped valley
rockslide (rock avalanche)
solar system
drift
12. 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.
breakwater
base
seastack
chalk
13. A measure of the size of an earthquake in terms of the damage it causes.
intensity
Proterozoic
karst
seismoscope
14. A hydrocarbon (coal or petroleum) that can be extracted from the Earth for use as a fuel. Fossil fuels are non-renewable energy sources.
sinkhole
liquefaction
fossil fuel
sandstorm
15. The surface between the zone of saturation and the zone of aeration.
chlorophyll
wave trough
water table
plain
16. Fossils formed when water containing minerals leaks into a mold. The minerals harden to form a copy of the original structure or organism.
hardness
conduction
boundary
casts
17. A time of unusual winds and currents in the Pacific Ocean . El Nino generally causes warmer-than-normal sea surface temperatures and increased rainfall and storm activity.
wave trough
fringing reef
El Nino
greenhouse gases
18. Igneous. Antonym of intrusive. Synonym of volcanic. Pertaining to igneous rocks or features formed from lava released on the Earth's surface.
clast
extrusive
magnitude
light-year
19. The current geologic era & which began 66.4 million years ago and continues to the present.
reserves
Cenozoic
hemisphere
Paleozoic
20. The peak flow of water that tops the banks of a stream channel.
stratum
scientific model
mesosphere
flood
21. 1. A mass of sand & gravel & or alluvium deposited on the bed of a stream & sea & or lake & or at the mouth of a stream 2. A unit of pressure & approximately equal to atmospheric pressure at sea level.
bar
Copernicus & Nicholas
luster
seastack
22. An era of time during the Phanerozoic eon lasting from 245 million years ago to 66.4 million ago.
Mesozoic
s- wave (secondary wave & shear wave)
jetty
fetch
23. The seaward edge of coast between low tide and effective wave action.
magnetic pole
fluctuate
shore
latitude
24. Glacial drift composed of rock fragments that range from clay to boulder size and randomly arranged without bedding.
stratovolcano (composite volcano)
till (unstratified drift)
frost wedging
precipitation
25. The process of one plate descending beneath another.
inertia
Pluto
subduction
oceanic crust
26. Mountains & characterized by extensive folding and thrust faulting & that form at convergent plate boundaries on continents.
caldera
El Nino
bar
fold and thrust mountains
27. A term applied to large areas of basaltic lava presumably extruded from fissures.
outer core
lava flood (plateau basalt)
telescope
groove
28. A detailed mathematical description of the cause-and-effect relationships between events that can be used to predict or explain other such events.
cave
crystal
scientific model
fluctuate
29. An icicle-shaped accumulation of dripstone hanging from cave roof.
light-year
volcanic ash
stalactite
seismic sea wave (tsunami)
30. The elevation at which snow persists throughout the year.
karst
sextant
snow line
continental divide
31. A division of geologic time next shorter than a period. Example: the Pleistocene epoch is in the Quaternary period.
storm surge
clast
breakwater
epoch
32. A narrow & elongate region in which one lithospheric plate descends relative to another.
renewable resources
satellite
seismic sea wave (tsunami)
subduction zone
33. Evidence in rock of the presence of past life & such as a dinosaur bone & an ancient clam shell & or the footprint of a long-extinct animal as well as life history artifacts.
rock cycle
solstice
legend
fossil
34. The process of removing metal from ore.
breakwater
smelting
plutonic
compass
35. 1. A steep-walled & usually conical depression at the summit or on the flanks of a volcano & resulting from the explosive ejection of material from a vent. 2. A bowl-shaped depression with a raised & overturned rim produced by the impact of a meteori
floodplain
zone of leaching
crater
Andromeda
36. A blanket of wind-driven sand with an upper surface about a meter above ground level.
crust
geologic column
observator
sandstorm
37. A sea level change due to change in load on Earth's crust.
isostatic change in sea level
nuee ardente
plain
oxbow
38. The weak or 'soft' zone in the upper mantle just below the lithosphere & involved in plate movement and isostatic adjustments. It lies 70 to 100 km below the surface and may extend to a depth of 400 km.
asthenosphere
open pit mining
landforms
atlas
39. The chronological sequence of units of Earth time.
geologic time scale
archaean
coast
natural resources
40. The area immediately below the ground surface within which pore spaces are partially filled with water and partially filled with air.
zone of aeration
tidal delta
trench
ice sheet
41. All unconsolidated materials above bedrock. Natural earthy materials on the Earth's surface & in places modified or even made by human activity & containing living matter & and supporting or capable of supporting plants out of doors.
El Nino
abyssal plain
soil
snow line
42. The area bordering a stream over which water spreads when the stream tops its channel banks.
floodplain
tide
superposition
chlorofluorocarbons (CFC's)
43. The precipitation that runs directly off the surface to stream or body of standing water.
runoff
atlas
ozone layer
chemical sedimentary rock
44. The science that deals with the study of the planet Earth--the materials of which it is made & the processes that act to change these materials from one form to another & and the history recorded by these materials; the forces acting to deform the ou
Sun
you-shaped valley
geology
water clarity
45. The resistance of a mineral to scratching & as measured by the Mohs scale.
particulate air pollution
Richter scale
hardness
baseline study
46. Lacking in rainfall & very dry.
seismoscope
arid
tectonic Plates
boundary
47. 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.
continental slope
storm surge
ozone
constellation
48. A process by which salts accumulate in soil.
anemometer
outer core
nova -- (Supernova)
salinization
49. A general term for a relatively hard layer of soil at or just below the ground surface & cemented by silica & iron oxide & calcium carbonate & or organic matter.
El Nino
Earth
moon
hardpan
50. The tectonic region in which two plates meet.
El Nino
seismic gap
universe
boundary