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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. Woodland that usually gets at least 100 inches of rain each year.
rainforest
tell
decomposition (chemical weathering)
Hadean
2. A large amount of gas and dust in space & spread out in an immense volume.
delta
pollutant
sinkhole
nebula
3. The amount of dissolved salt in water.
channelization
gravity
petroleum
salinity
4. The sum of the processes that result in the wearing away or the progressive lowering of the Earth's surface by weathering & erosion & mass wasting & and transportation.
denudation
Jupiter
convergent boundary
terrestrial
5. The process of one plate descending beneath another.
Richter scale
subduction
Pillow Lava
Hale-Bopp
6. A mound or ridge of sediment deposited by a glacier.
geology
continental shelf
transcontinental
moraine
7. Scratches & or small channels & gouged by glacier action. Occur on boulders & pebbles & and bedrock. Striations along bedrock indicate direction of ice movement.
fault
hardpan
striations
glaciation
8. A narrow & steep-walled depression in the ocean floor & much deeper than the adjacent ocean and associated with a subduction zone.
trench
swells
drainage basin
black smoker
9. An era of geologic time lasting from 570 to 245 million years ago.
Paleozoic
pyroclastic
subduction
jetty
10. A ridge of high water associated with a hurricane and which floods over the shore .
Pangea
Mars
storm surge
open pit mining
11. An instrument that detects & magnifies & and records vibrations of the Earth & especially earthquakes.
erosion
rainforest
seismograph
mesosphere
12. A low & nearly flat accumulation of sediment deposited at the mouth of a river or stream & commonly triangular or fan-shaped.
zone of saturation
bedrock
light-year
delta
13. 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.
cleavage
caldera
ore
triangulation
14. A dense & hot (sometimes incandescent) cloud of volcanic ash and gas produced in a Pelean eruption.
rift (graben)
coast
stratum
nuee ardente
15. The resistance of a mineral to scratching & as measured by the Mohs scale.
ore deposit
hardness
solstice
magnetic pole
16. 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
moon
stormwater runoff
baseline study
till (unstratified drift)
17. The area bordering a stream over which water spreads when the stream tops its channel banks.
secchi disk
isostatic change in sea level
desertification
floodplain
18. A coral reef separated from the mainland by a lagoon.
Saturn
lava lake
barrier reef
mineral
19. The persistence of wind-formed waves after wind ceases.
dust storm
scientific model
Mars
swells
20. A conical volcano formed by the accumulation of pyroclastic debris around a vent.
Hadean
cinder cone
archipelago
outer core
21. 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
tide
magnetic equator
Prime Meridian
biogenic sediment
22. A collection of maps.
gravity
mineral deposit
atlas
karst
23. Deserts in zones of descending air between 25 degrees and 30 degrees north and south latitude.
axis
vesicle
mineral
subtropical deserts
24. The Earth's crust underlying the ocean basins which is formed at mid-oceanic ridges. It is typically 5 to 10 kilometers thick composed of basalt.
decomposition (chemical weathering)
equinox
oceanic crust
fossil
25. That portion of the resources for a valuable mineral commodity that can be extracted from the Earth at a profit today.
tidal delta
hardness
reserves
sediment
26. The formation & advance and retreat of glaciers and the results of these activities.
glaciation
plate tectonics
extrusive
atoll
27. A Hawaiian term for a lava flow that has a rough & jagged surface.
ozone depletion
weathering
aa
hot spot
28. The process of removing metal from ore.
water table
Pangea
outer core
smelting
29. To wash or scrub away.
stratification
groove
light-year
scour
30. Any object that revolves around another object in space.
satellite
tide
bedrock
suspended load
31. A measure of the size of an earthquake in terms of the damage it causes.
Mars
solar system
intensity
Earth system
32. The breaking away of ice from the front of the glacier when it ends in a lake or an ocean. Produces icebergs.
equinox
calving
body wave
levees
33. The galaxy where Earth is located.
current speed
Milky Way
clast
liquefaction
34. 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.
intensity
bar
light-year
nautical mile
35. The distance light travels through a vacuum in one year.
extrusive
light-year
lava lake
Pelean eruption
36. The rigid outer shell of the Earth. It includes the crust and uppermost mantle and is on the order of 100 km in thickness.
seastack
clastic
trench
lithosphere
37. Bent rock strata.
mantle
cleavage
fold
gemstone
38. Pluto is named after the Roman god of the Underworld. No longer considered a planet.
tide
nautical mile
crystal
Pluto
39. 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.
water table
fjord
foliated
sinkhole
40. A depression in the ground formed by the melting of a block of glacier ice buried or partially buried by drift.
marine Chronometer
stratum
soil
kettle
41. 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.
atoll
cleavage
chlorophyll
asteroid
42. Where two plates collide to form mountains.
ice shelf
body wave
nutrient
collisional Boundary
43. In a stream & the volume of water passing through a channel in a given time.
acid
tell
discharge
rapids
44. The surface between the zone of saturation and the zone of aeration.
water table
lithification
extrusive
fault
45. A vertical conduit through the Earth's crust below a volcano & through Which magma has passed.
exotic river
Phanerozoic
acid rain
pipe
46. A ball of ice and dust & whose orbit is a long & narrow ellipse.
comet
loess
petroleum
casts
47. Mountains & characterized by extensive folding and thrust faulting & that form at convergent plate boundaries on continents.
bedrock
Galileo
fold and thrust mountains
ecosystem
48. An astronomical instrument for measuring angles & primarily altitude of celestial bodies to determine latitude.
conserve
liquefaction
hardpan
sextant
49. An informal term to include all geologic time from the beginning of the Earth to the beginning of the Cambrian period 570 million years ago.
Pelean eruption
storm surge
Precambrian
you-shaped valley
50. A broad & deep & generally straight furrow carved in bed rock by the abrasive action of debris embedded in a moving glacier. Larger and deeper than a glacial striation.
Pelean eruption
oceanic crust
geologic time scale
groove