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Test your basic knowledge |
Earth Science
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Study First
Subject
:
science
Instructions:
Answer 50 questions in 15 minutes.
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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 sharp bend & loop or turn in a stream's course. When abandoned & it is called a meander scar or an oxbow.
meander
sedimentary rock
greenhouse gases
natural resources
2. Pertaining to clastic material formed by volcanic explosion or aerial expulsion from a volcanic vent.
pyroclastic
karst
dust storm
drainage divide
3. The transformation of a soil from a solid to a liquid state as the result of increased pore pressure.
zone of leaching
landforms
fracture
liquefaction
4. Imaginary lines on a map or globe that measure distance in degrees north or south of the equator. Latitude lines extend horizontally & from east to west on a globe.
metamorphic rock
latitude
pollutant
geothermal energy
5. Till deposited from main body of glacier during ablation.
abyssal plain
dust devil
chlorofluorocarbons (CFC's)
ground moraine
6. Extending across a continent.
lava flood (plateau basalt)
transcontinental
frost wedging
water table
7. The study of earthquakes & and of the structure of the Earth by both natural and artificially generated seismic waves.
asteroid
seismology
tidal delta
star
8. The speed at which water flows.
habitat
current speed
continental slope
reservoir rock
9. An eruption of lava that takes place from a fracture & usually without producing a cone.
archaean
fissure eruption
observator
rockslide (rock avalanche)
10. A flat & dry plain covered with short grass.
peat
current speed
steppe
stratification
11. Deposition of fine mineral particles (silt) on the beds of streams or lakes.
Hadean
nova -- (Supernova)
Proxima Centauri
siltation
12. Sediment formed by chemical precipitation from water. Example: halite precipitated as the result of the evaporation of sea water.
gravity
chemical sedimentary rock
lithification
chemical sediment
13. Deposits of wind-borne dust.
mesosphere
Earth system
loess
absolute time
14. A natural open space underground & large enough for a person to enter. Most commonly occur by the dissolution of soluble rocks & generally limestone.
cave
asthenosphere
sandstorm
latitude
15. The rock beneath the soil.
magnetic polarity
bedrock
plate boundaries
dust storm
16. A process of erosion in which wind carries off particles of dust and sand.
Mesozoic
plain
deflation
Hadean
17. The condition of equilibrium & comparable to floating & of units of the lithosphere above the asthenosphere.
Pillow Lava
isostasy
igneous rock
orogeny
18. The prediction that climate will warm as a result of the addition to the atmosphere of humanly produced greenhouse gases.
global warming
creep
drainage basin
climate
19. To preserve & or to avoid wasteful use.
oceanic trench
conserve
longitude
Mesozoic
20. Scratches & or small channels & gouged by glacier action. Occur on boulders & pebbles & and bedrock. Striations along bedrock indicate direction of ice movement.
wave length
striations
Venus
intrusive
21. Destruction of the ozone layer caused by the release of CFC's (chlorofluorocarbons) into the atmosphere which react chemically with ozone and break it down into different gases.
seamount
elevation
ozone depletion
exotic river
22. The galaxy where Earth is located.
stalagmite
Milky Way
waterfall
gemstone
23. The resistance of a mineral to scratching & as measured by the Mohs scale.
meteoroid
Prime Meridian
strip mining
hardness
24. The surface between the zone of saturation and the zone of aeration.
Greenhouse Effect
water table
triangulation
desertification
25. Long narrow beaches separated in many places from the mainland by lagoons.
pipe
Uranus
barrier beaches
oceanic trench
26. Containing moisture.
humid
subtropical deserts
groundtruthing
Cenozoic
27. Living on land.
glaciation
continental rise
terrestrial
plate
28. Either the northern or southern half of the Earth as divided by the equator & or the eastern or western half as divided by a meridian.
hemisphere
crystal
arch
lava lake
29. Iron & aluminum & magnesium & manganese & and titanium. Ores of the abundant metals only need to be 3 - 5 times as metal-rich as average rock.
Galileo
abundant metal
convection
seafloor spreading
30. A wall built out from the shore & usually at perpendicular to it to trap sand carried by longshore currents .
glaciation
swells
caldera
groin
31. A rock changed from its original form and/or composition by heat & pressure &shearing stress & or chemically active fluids & or some combination of them.
chlorofluorocarbons (CFC's)
asthenosphere
metamorphic rock
plain
32. Materials that are found in nature that are useful or necessary for people to live.
viscosity
snow line
fossil
natural resources
33. A large ridge or mound-like structure within a body of water that is built by calcareous organisms such as corals & red algae & and bivalves.
baseline study
subduction
spring
reef
34. The internal resistance to flow in a liquid.
salinity
compass Rose
compass
viscosity
35. The vertical distance between the crest and adjacent trough of a wave.
watershed
wave height
gravity
wave crest
36. Water beneath the Earth's surface.
ground water
ecosystem
sand dune
hot spot
37. An ingredient in a food or other substance that nourishes or promotes growth.
nutrient
pipe
Laurasia
terrestrial
38. Woodland that usually gets at least 100 inches of rain each year.
rockslide (rock avalanche)
silicate
rainforest
orogeny
39. The relationship between distances in the area being mapped and distances in the map itself.
aquatic
cone of depression
scale
metamorphic rock
40. The region of a shore that is covered at high tide and exposed at low tide.
dust devil
ice shelf
intertidal zone
equator
41. Named after the Roman god of the sea. It is the eighth planet from the Sun.
loess
fissure eruption
neptune
pothole
42. The tendency of a moving object to continue in a straight line or a stationary object to remain in place.
levees
chlorophyll
inertia
observator
43. A waste material that contaminates air & water & or soil.
seismoscope
desertification
acid rain
pollutant
44. The concept of a sequence of events involving the formation & alteration & destruction and reformation of rocks as a result of geologic processes.
Proxima Centauri
rock cycle
chemical sediment
sandstorm
45. The two days of the year on which neither hemisphere is tilted toward or away from the sun.
liquefaction
steppe
equinox
acid
46. A hydrocarbon (coal or petroleum) that can be extracted from the Earth for use as a fuel. Fossil fuels are non-renewable energy sources.
sand dune
barrier beaches
channelization
fossil fuel
47. The top of a wave.
rock
permafrost
wave crest
drainage basin
48. 1. A low & bowl-shaped area of land surrounded by higher lands. 2. any large depression in which sediments are deposited.
basin
continental slope
subtropical deserts
triangulation
49. Reduction of pore space between individual particles as the result of overlying sediments or of tectonic movements.
soil
salinization
continental divide
compaction
50. A glaciated valley now flooded by the sea.
global warming
decomposition (chemical weathering)
fjord
Saturn
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