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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 hole or basin cut into bedrock of a stream by the abrasive action of pebbles and sand swirled by turbulent stream flow.
pothole
waterfall
fracture
pathogen
2. As applied to glacier ice & the process by which ice below the snow line is wasted by evaporation and melting.
erosion
ablation
lahar
scale
3. A vent in the surface of the Earth & from which lava & ash & and gases erupt.
volcano
permafrost
compaction
subtropical deserts
4. Gases that can be dissociated by solar radiation & which releases chlorine & which in turn destroys ozone.
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5. A mudflow composed chiefly of pyroclastic material on the flanks of a volcano.
lahar
creep
hydrologic cycle
till (unstratified drift)
6. A downward distortion or dimple in the water table that forms as a well pumps water faster than it can flow through the aquifer.
cone of depression
viscosity
outcrop
spring
7. Saturn is named after the Roman god of the harvest. It is the sixth planet from the Sun.
marine Chronometer
Saturn
beach
nutrient
8. A group of stars that appear to make a pattern in the sky. The Big Dipper is a constellation.
axis
constellation
ozone layer
fold
9. The process by which building stone & usually in blocks or sheets & is extracted from the Earth. radiation -- (Electromagnetic radiation) -- energy that travels through space in the form of waves without the intervention of matter & as in the transp
Venus
archipelago
quarrying
weathering
10. A guide to reading a map that typically contains distance scales & arrows indicating direction & and/or explanations of symbols used.
pothole
legend
baseline study
clastic
11. Formed when an organism is flattened (compressed) and a thin film of organic material from its body is left in the rock.
absolute time
compression fossil
floodplain
reservoir rock
12. The relationship between distances in the area being mapped and distances in the map itself.
aquatic
lithification
scale
Sun
13. A layer of sedimentary rock; plural is strata.
stratum
estuary
atmosphere
groundtruthing
14. 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.
compaction
sinkhole
sod
compaction
15. The region of a shore that is covered at high tide and exposed at low tide.
asthenosphere
reservoir rock
fissure eruption
intertidal zone
16. A commonly used scale of earthquake intensity.
Modified Mercalli Scale
lava lake
pathogen
water table
17. A famous scientist who proposed that the Sun was the center of the solar system not the Earth. (Heliocentrism)
magnitude
current speed
Copernicus & Nicholas
levees
18. An abandoned meander .
denudation
oxbow
continental divide
ecosystem
19. Pluto is named after the Roman god of the Underworld. No longer considered a planet.
magnetic equator
magma
Pluto
elevation
20. (Latin- Terra & Greek- Gaia) Earth is named after the ancient Germanic Goddess of the soil. It is the third planet from the Sun.
divergent boundary
Earth
sediment
Hale-Bopp
21. Heat extracted from the Earth for use as an power source.
period
inertia
absolute time
geothermal energy
22. An astronomical instrument for measuring angles & primarily altitude of celestial bodies to determine latitude.
sextant
geyser
zone of saturation
archaean
23. 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.
geologic column
reservoir rock
hemisphere
soil
24. A measure of the strength of an earthquake based on the amount of movement recorded by a seismograph . compare Richter scale.
suspension
convection cell
magnitude
atmosphere
25. Turbulent stream water flow down a steep gradient & but not as steep as in a waterfall.
secchi disk
icecap
rapids
island arc
26. The direction & north (normal) or south (reversed) & that a magnetic compass needle points.
density
inner core
p- wave (primary wave & compressional wave)
magnetic polarity
27. The generally dark & more or less stable part of the organic matter in a soil & so well decomposed that the original sources cannot be identified.
humus
volcanic ash
rain shadow deserts
groove
28. Flat land covered with tall grass and wildflowers.
prairie
current speed
continental crust
neptune
29. A detailed mathematical description of the cause-and-effect relationships between events that can be used to predict or explain other such events.
sand dune
natural resources
nautical mile
scientific model
30. The surface between the zone of saturation and the zone of aeration.
epicenter
neptune
water table
stratovolcano (composite volcano)
31. 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.
oceanic crust
ozone
sod
fracture
32. A rock changed from its original form and/or composition by heat & pressure &shearing stress & or chemically active fluids & or some combination of them.
focus
tell
stratum
metamorphic rock
33. Where two plates collide to form mountains.
fault
zone of saturation
seismograph
collisional Boundary
34. The portion of the continental margin that extends as a gently sloping surface from the shoreline seaward to a marked change in slope at the top of the continental slope . Seaward depth averages about 130 m.
plate tectonics
equinox
back swamp
continental shelf
35. An icicle-shaped accumulation of dripstone hanging from cave roof.
humus
luster
Saturn
stalactite
36. Large area of extremely flat ocean floor lying near a continent and generally over 4 km in depth.
abyssal plain
Mercury
seafloor spreading
tide
37. Bent rock strata.
icecap
fold
suspension
jetty
38. A valley caused by extension of the Earth's crust. Its floor forms as a portion of the crust moves downward along normal faults.
fossil
shield volcano
marine Chronometer
rift (graben)
39. The process by which an unconsolidated deposit of sediments is converted in to solid rock.
surf
lithification
compaction
scour
40. The process of removing metal from ore.
Pelean eruption
smelting
waterfall
compaction
41. To change back and forth uncertainly.
silicate
sextant
fluctuate
black smoker
42. A method of sediment transport in which the turbulence of a fluid is able to keep particles supported in the fluid.
disintegration (mechanical weathering)
foreshock
aftershock
suspension
43. The process of one plate descending beneath another.
triangulation
clastic
subduction
ecosystem
44. A process of land degradation initiated by human activity & particularly in the zones along the margins of deserts.
desertification
humid
swash and back wash
ozone
45. The explosion of a dying giant or supergiant star.
till (unstratified drift)
transform boundary
core
nova -- (Supernova)
46. Deserts in zones of descending air between 25 degrees and 30 degrees north and south latitude.
casts
subtropical deserts
volcanic ash
creep
47. 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
solar system
suspension
cementation
48. A valley caused by extension of the Earth's crust. Its floor forms as a portion of the crust moves downward along normal faults.
rift (graben)
continental crust
jetty
telescope
49. A pillar formed as a stalactite and stalagmite meet.
seismic gap
column
thermal spring
geologic column
50. The study of earthquakes & and of the structure of the Earth by both natural and artificially generated seismic waves.
longitude
Andromeda
seismology
orogeny