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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 current geologic era & which began 66.4 million years ago and continues to the present.
tell
pipe
Cenozoic
igneous rock
2. Swamp that forms in the low lying flood plain behind a levee.
Galileo
deposition
back swamp
meander
3. A rigid segment of the Earth's lithosphere that moves horizontally and adjoins other plates along zones of seismic activity. Plates may include portions of both continents and ocean basins.
plate
meteoroid
viscosity
wave height
4. A large area of flat or nearly flat land.
open pit mining
plain
epoch
erratic
5. The zones of seismic activity long which plates are in contact.
scour
Andromeda
gemstone
plate boundaries
6. A large & basin-shaped volcanic depression & more or less circular in form. Typically steep-sided & found at the summit of a shield volcano.
marine Chronometer
caldera
mid-ocean ridges
archaean
7. A plate boundary in which plates on opposite sides of the boundary move past each other in opposite directions. The San Andreas fault of California is a good example.
fringing reef
Pluto
transform boundary
magnetic equator
8. An instrument that merely indicates the occurrence of an earthquake.
seismoscope
discharge
Mercury
subduction zone
9. A lake in an abandoned meander.
oxbow lake
eustatic change in sea level
stalagmite
tell
10. A thickened elevated region of Earth's crust that is mainly (but not entirely) above sea level.
Milky Way
Pluto
continent
geothermal energy
11. The low spot between two successive waves.
wave trough
Uniformitarianism
Pelean eruption
orogeny
12. A blanket of wind-driven sand with an upper surface about a meter above ground level.
solstice
acid rain
sandstorm
fossil
13. The color of a mineral in its powdered form obtained from scraping a sample on a ceramic plate
decomposition (chemical weathering)
moon
discharge
streak
14. A statement of relative age in layered rocks: In a series of sedimentary rocks that has not been overturned & the topmost layer is always the youngest and the bottommost layer is always the oldest.
Prime Meridian
stalagmite
superposition
transcontinental
15. 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.
wind farm
rockslide (rock avalanche)
crystal
swells
16. A study designed to collect critical data to be used for comparison or as a control in a later study.
oal
subduction
baseline study
epicenter
17. Deserts formed by blocking moisture-bearing winds with mountain barriers.
rain shadow deserts
island arc
continental divide
flash flood
18. A broad & mound-like mass of glacier ice that usually spreads radially outward from a central zone.
soil
oxbow
creep
ice sheet
19. The dust-sized & sharp-edged & glassy particles resulting from an explosive volcanic eruption.
volcanic ash
ablation
moraine
isostatic change in sea level
20. The level of light that penetrates through water.
geyser
water clarity
intensity
rockfall
21. 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.
latitude
drift
specific gravity
metamorphic rock
22. The acidity in rain due to gases from internal combustion engines and coal- and oil-burning power plants.
strip mining
acid rain
transcontinental
water table
23. The uprush of a wave onto the beach followed by the return flow of the water down the beach slope in the intervals between waves.
fracture
mid-ocean ridges
pahoehoe
swash and back wash
24. 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.
pathogen
nebula
ground moraine
plate tectonics
25. 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
arid
shore
Earth
26. An aggregate of one or more minerals in varying proportions.
p- wave (primary wave & compressional wave)
rock
stalactite
continental divide
27. 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.
universe
watershed
seismic sea wave (tsunami)
fossil
28. The effect of water and carbon dioxide absorbing outgoing infrared radiation & raising a system's temperature. The term is generally used with reference to the Earth's temperature & although it can also be applied to other systems & such as greenhous
humus
El Nino
Greenhouse Effect
desertification
29. Glacial drift composed of rock fragments that range from clay to boulder size and randomly arranged without bedding.
black smoker
nova -- (Supernova)
pahoehoe
till (unstratified drift)
30. 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
Prime Meridian
channelization
Mercury
Richter scale
31. 1. Breach in a natural levee . 2. Deep crevice or open fracture in glacier ice.
Prime Meridian
pollutant
desertification
crevasse
32. Lies half way between the north and south magnetic poles.
nonfoliated
reef
continental shelf
magnetic equator
33. Weathering processes that are the result of chemical reactions. Example: the transformation of orthoclase to kaolinite.
basaltic
coast
decomposition (chemical weathering)
denudation
34. The partial or complete blocking from view of one object by another.
sediment
p- wave (primary wave & compressional wave)
eclipse
gemstone
35. The Sun with all the celestial bodies that revolve around it.
solar system
sediment
conduction
smelting
36. The geologic eon lying between the Archean and Phanerozoic eons & beginning about 2.5 billion years ago and ending about 0.57 billion years ago.
moon
Proterozoic
focus
decomposition (chemical weathering)
37. A region of high heat flow on the Earth's surface & thought to lie above a mantle plume .
seismoscope
pollutant
hot spot
siltation
38. The resistance of a mineral to scratching & as measured by the Mohs scale.
denudation
solstice
hardness
landforms
39. Any natural concentration of a valuable material in the Earth's crust & whether that material can be extracted profitably or not.
mineral deposit
fracture
fold
abundant metal
40. Occurs at the intersection of the water table with the ground surface.
spring
lahar
ice shelf
light-year
41. A large area with common features that set it apart from other areas.
region
universe
till (unstratified drift)
rock
42. A commonly used scale of earthquake intensity.
basalt
Modified Mercalli Scale
oceanic crust
nuee ardente
43. The accumulation of material in layers or beds.
absolute time
moraine
stratification
Earth
44. A cavity in a lava & formed by the entrapment of a gas bubble during solidification of the lava.
vesicle
Sun
flash flood
crevasse
45. The point on the Earth's surface that is directly above the focus of an earthquake.
elevation
fossil fuel
epicenter
magnetic equator
46. A hot & gaseous & self-luminous celestial body & as the Sun.
volcanic ash
wave height
star
dust storm
47. The part of the crust that directly underlies the continents and continental shelves. Averages about 35 km in thickness & but may be over 70 km thick under largest mountain ranges.
continental crust
black smoker
mineral
peat
48. The presence of layers in some rocks caused by parallel alignment of minerals.
oxbow
foliated
Earth
plutonic
49. The green pigment in the cells of many plants that enables them to use sunlight to convert carbon dioxide and water into carbohydrates in the process called photosynthesis.
groundtruthing
chlorophyll
magnetic polarity
till (unstratified drift)
50. A method of sediment transport in which the turbulence of a fluid is able to keep particles supported in the fluid.
open pit mining
tidal delta
convection cell
suspension