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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 substance that produces negatively charged hydroxide ions ( OH- ) in water and reacts with acids to form salts.
nova -- (Supernova)
oceanic crust
continent
base
2. A naturally occurring inorganic solid that has a well-defined chemical composition and in which atoms are arranged in an ordered fashion.
mineral
longitude
orogeny
ground water
3. An abandoned meander .
triangulation
fjord
cone of depression
oxbow
4. Till deposited from main body of glacier during ablation.
geyser
eustatic change in sea level
continental divide
ground moraine
5. A rock changed from its original form and/or composition by heat & pressure &shearing stress & or chemically active fluids & or some combination of them.
atlas
outcrop
seismic gap
metamorphic rock
6. Any of various minerals prized for beauty & durability & and rarity. A few noncrystalline materials of organic origin (e.g. & pearl & red coral & and amber) also are classified as gemstones.
intensity
gemstone
plate
quarrying
7. 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
geologic time scale
stormwater runoff
seafloor spreading
igneous rock
8. The resistance of a mineral to scratching & as measured by the Mohs scale.
hardness
foliated
fjord
escarpment
9. A flat & dry plain covered with short grass.
volcanic
steppe
atlas
creep
10. An instrument used to measure the speed of wind.
anemometer
humus
rain shadow deserts
collisional Boundary
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.
ground moraine
compaction
hot spot
seismic sea wave (tsunami)
12. That portion of the Earth below the crust and reaching to about 2 &780 km & where a transition zone of about 100 km thickness separates it from the core.
mantle
basin
pahoehoe
star
13. A sedimentary rock made up of chemical sediments. Example: rock salt.
marine Chronometer
ore
chemical sedimentary rock
stratum
14. A substance that produces negatively charged hydroxide ions ( OH- ) in water and reacts with acids to form salts.
abundant metal
column
asteroid
base
15. A natural open space underground & large enough for a person to enter. Most commonly occur by the dissolution of soluble rocks & generally limestone.
groove
Earth system
cave
fold and thrust mountains
16. A group of islands; an expanse of water with scattered islands.
vesicle
current speed
fetch
archipelago
17. Woodland that usually gets at least 100 inches of rain each year.
rainforest
era
absolute time
drainage divide
18. The average weather conditions of an area over many years & as measured by temperature & wind speed & and precipitation.
drought
climate
geologic column
lahar
19. The chronological sequence of units of Earth time.
reservoir rock
breakwater
nuee ardente
geologic time scale
20. Glacial deposits laid down directly by glaciers or laid down in lakes & ocean & or streams as result of glacial activity.
prairie
drift
constellation
Hadean
21. A comet that passed Earth in 1997 and won't return to the inner solar system until the year 4377.
zone of aeration
compression fossil
Pluto
Hale-Bopp
22. The average weather conditions of an area over many years & as measured by temperature & wind speed & and precipitation.
Greenhouse Effect
archipelago
climate
basin
23. A chuck of rock or dust in space.
Continntal Drift Theory
icecap
lava
meteoroid
24. 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.
anemometer
hardpan
Cenozoic
drought
25. An eon of geologic time extending from about 3.9 billion years to 2.5 billion years ago.
hydrologic cycle
archaean
mineral
steppe
26. 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.
sextant
Richter scale
icecap
nautical mile
27. The rise and fall of sea level caused by the gravitational pull of the Sun and Moon on the Earth.
beach
Earth
ecosystem
tide
28. An individual grain or constituent of a rock.
hydrologic cycle
clast
shield volcano
dust storm
29. Any place where bedrock is visible on the surface of the Earth.
outcrop
Pillow Lava
secchi disk
eclipse
30. A type of disintegration in which jointed rock is forced apart by the expansion of water as it freezes in fractures.
swash and back wash
density
disintegration (mechanical weathering)
frost wedging
31. A Hawaiian term for a lava flow that has a rough & jagged surface.
aa
biogenic sedimentary rock
Pelean eruption
precipitation
32. Forms along a coast as wave erosion cuts through a headland.
arch
abundant metal
foliated
acid rain
33. The dust-sized & sharp-edged & glassy particles resulting from an explosive volcanic eruption.
volcanic ash
Hadean
collisional Boundary
sextant
34. To change back and forth uncertainly.
fluctuate
cleavage
wave crest
s- wave (secondary wave & shear wave)
35. The straightening and/or deepening of a river channel.
casts
channelization
ice sheet
specific gravity
36. A commonly used scale of earthquake intensity.
Modified Mercalli Scale
fold
ecosystem
fossil fuel
37. In a stream & the volume of water passing through a channel in a given time.
observator
subduction zone
abyssal plain
discharge
38. Mountains & characterized by extensive folding and thrust faulting & that form at convergent plate boundaries on continents.
column
wave crest
fold and thrust mountains
plutonic
39. Open pit mining & typically for coal.
island arc
strip mining
shore
rock
40. A spring whose temperature is 6.5o C or more above mean annual air temperature.
landforms
eon
thermal spring
rockfall
41. The peak flow of water that tops the banks of a stream channel.
flood
reservoir rock
zone of leaching
granitic
42. A method of sediment transport in which the turbulence of a fluid is able to keep particles supported in the fluid.
reservoir rock
snow line
suspension
pathogen
43. A continuous well-defined mass of material of sufficient ore content to make extraction economically feasible. compare mineral deposit.
nonfoliated
ore deposit
rift (graben)
lahar
44. A substance that produces positively charged hydrogen ions (H+) when dissolved in water.
suspension
till (unstratified drift)
acid
striations
45. A supercontinent that existed from the Jurassic to Early Tertiary after splitting from Pangea; composed of Laurentia & Baltica & Avalonia & (modern North America & Scandinavia & Greenland & Western and Central Europe); eventually fragmented into Eur
Laurasia
cartographer
star
seismology
46. A permeable region of rock or soil through which ground water can move.
Richter scale
plate tectonics
aquifer
zone of leaching
47. Any solid material that has settled out of a state of suspension in liquid.
sinkhole
weathering
sediment
asthenosphere
48. A lake of lava & usually basaltic & in a volcanic caldera.
base
galaxy
lava lake
metamorphic rock
49. A device containing a free-swinging magnetic needle that is attracted to Earth's magnetic North Pole. Used to determine direction of travel.
sandstorm
compass
Proterozoic
chemical sedimentary rock
50. A large volume of dust-sized particles lifted high into the atmosphere.
rift (graben)
outcrop
dust storm
compass Rose