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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. Bent rock strata.
asthenosphere
fold
intrusive
pH
2. (Latin- Sol & Greek- Helios)the closest star to Earth. It is a giant ball of gas without any solid surface.
habitat
nebula
sod
Sun
3. A large amount of gas and dust in space & spread out in an immense volume.
sand dune
tidal inlet
you-shaped valley
nebula
4. The naturally occurring material from which a mineral or minerals of economic value can be extracted at a profit.
deflation
Galileo
ore
spring
5. Jupiter is named after the Roman king of the gods. It is the fifth planet from the Sun.
prairie
Jupiter
chlorofluorocarbons (CFC's)
steppe
6. Lies half way between the north and south magnetic poles.
suspended load
water clarity
lithification
magnetic equator
7. Banks of sand and silt along stream bank built by deposition in small increments during successive floods.
levees
chlorophyll
dust devil
Copernicus & Nicholas
8. A commonly used measure of earthquake magnitude & based on a logarithmic scale. Each integral step on the scale represents a tenfold increase in the extent of ground shaking & as recorded on a seismograph.
compression fossil
specific gravity
Pillow Lava
Richter scale
9. An ingredient in a food or other substance that nourishes or promotes growth.
nutrient
elevation
salinization
convection cell
10. Deep steep-sided depression in the ocean floor caused by the subduction of oceanic crust beneath either other oceanic crust or continental crust.
oceanic trench
epicenter
boundary
thrust fault
11. Temporary accumulations of sediments that collect between low and high water marks.
secchi disk
Global Positioning System (GPS)
beach
waterfall
12. A broad & mound-like mass of glacier ice that usually spreads radially outward from a central zone.
seafloor spreading
ice sheet
tide
magnetic equator
13. A building that contains one or more telescopes.
reef
basalt
disintegration (mechanical weathering)
observator
14. The explosion of a dying giant or supergiant star.
nova -- (Supernova)
archaean
intertidal zone
arch
15. Pluto is named after the Roman god of the Underworld. No longer considered a planet.
chemical sedimentary rock
acid
aa
Pluto
16. A sea level change due to change in load on Earth's crust.
groin
compaction
sand dune
isostatic change in sea level
17. Highly mafic igneous volcanic rock & typically fine-grained and dark in color; rough volcanic equivalent of gabbro. Basalt is the most abundant volcanic rock in the Earth's crust.
basalt
zone of leaching
Pangea
ice shelf
18. 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.
Uranus
seismic sea wave (tsunami)
reef
kettle
19. A volcano in the shape of a flattened cone & broad and low & built by very fluid flows of basaltic lava.
sod
inertia
beach
shield volcano
20. A spring whose temperature is 6.5o C or more above mean annual air temperature.
bar
sandstorm
baseline study
thermal spring
21. Glacial drift composed of rock fragments that range from clay to boulder size and randomly arranged without bedding.
till (unstratified drift)
longitude
lava
fracture
22. 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.
Phanerozoic
asthenosphere
abundant metal
plate
23. An accumulation of wind driven sand into a distinctive shape.
primary productivity
sand dune
fetch
density
24. A valley carved by glacier erosion and whose cross-valley profile has steep sides and a nearly flat floor & suggestive of a large letter 'you'.
fissure eruption
orogeny
moon
you-shaped valley
25. Any molten material that is extrusive or volcanic & or the rock that forms from a molten extrusive. Molten rock that flows at the Earth's surface.
geology
beach
Hale-Bopp
lava
26. Enormous & thick sheets of rock that are part of the Earth's upper mantle that move and adjoin each other along zones of seismic activity. Many tectonic plates extend underneath both continents and sea floor.
Proxima Centauri
stormwater runoff
tectonic Plates
baseline study
27. A worldwide change in sea level & such as caused by melting glaciers.
eustatic change in sea level
ore
eclipse
seismoscope
28. The point on the Earth's surface where a magnetic needle points vertically downward (north magnetic pole) or vertically upward (south magnetic pole).
Jupiter
p- wave (primary wave & compressional wave)
atoll
magnetic pole
29. The process by which ocean floors spread laterally from crests of main ocean ridges. As material moves laterally from the ridge & new material replaces it along the ridge crest by welling upward from the mantle.
observator
seafloor spreading
continental shelf
erosion
30. The very small particles of dirt & soot & and other pollutants that are present in the air.
reservoir rock
particulate air pollution
Proterozoic
fold and thrust mountains
31. A flood that rises and falls very rapidly.
solstice
Mesozoic
flash flood
lava lake
32. The breaking away of ice from the front of the glacier when it ends in a lake or an ocean. Produces icebergs.
waterfall
floodplain
calving
plutonic
33. Similar to a groin but built to keep sand out of a harbor entrance.
collisional Boundary
superposition
kettle
jetty
34. The amount of dissolved salt in water.
salinity
magnitude
nautical mile
hydrologic cycle
35. Soil conditions prevailing in area whose mean annual temperature is 0o C.
zone of saturation
permafrost
swells
hemisphere
36. 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
basin
waterfall
renewable resources
37. A sharp bend & loop or turn in a stream's course. When abandoned & it is called a meander scar or an oxbow.
meander
aftershock
viscosity
biogenic sedimentary rock
38. A chuck of rock or dust in space.
swells
water table
meteoroid
suspended load
39. 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
exotic river
mid-ocean ridges
soil
40. The environment where a particular plant or animal is normally found.
intrusive
karst
renewable resources
habitat
41. Heat transport by direct transfer of energy from one particle to another & without moving the particle to a new location.
conduction
suspended load
seismology
reservoir rock
42. A broad & mound-like mass of glacier ice that usually spreads radially outward from a central zone.
ice sheet
atlas
mid-ocean ridges
floodplain
43. 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
erosion
pollutant
quarrying
collisional Boundary
44. Weathering processes that are the result of chemical reactions. Example: the transformation of orthoclase to kaolinite.
continental shelf
decomposition (chemical weathering)
peat
tell
45. A vent in the surface of the Earth & from which lava & ash & and gases erupt.
nonfoliated
basaltic
viscosity
volcano
46. The resistance of a mineral to scratching & as measured by the Mohs scale.
salinization
convection
magnetic polarity
hardness
47. The presence of layers in some rocks caused by parallel alignment of minerals.
foliated
ground water
seismology
Jupiter
48. The rigid outer shell of the Earth. It includes the crust and uppermost mantle and is on the order of 100 km in thickness.
absolute time
outcrop
primary productivity
lithosphere
49. Till deposited from main body of glacier during ablation.
seastack
water table
ground moraine
convection
50. The zones of seismic activity long which plates are in contact.
eon
secchi disk
plate boundaries
water clarity