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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. An eruption of lava that takes place from a fracture & usually without producing a cone.
plain
geyser
universe
fissure eruption
2. Till deposited from main body of glacier during ablation.
storm surge
Sun
deposition
ground moraine
3. The outermost part of the core. It is liquid & about 1 &700 km thick & and separated from the inner & solid core by a transition zone about 565 km thick.
fringing reef
outer core
Cenozoic
discharge
4. A steep or vertical cliff & either above or below sea level.
silicate
escarpment
epicenter
aquatic
5. Mercury is named after the Roman messenger of the gods. It is the closest to the Sun.
Mercury
lava dome
groove
continental crust
6. An artificial hill formed by the debris of successive human settlements.
island arc
plutonic
decomposition (chemical weathering)
tell
7. An imaginary circle around the earth that represents the halfway mark between the North and South Poles and establishes the boundary between the Northern and Southern Hemispheres.
abundant metal
equator
nautical mile
lithosphere
8. A delta formed at both sides of a tidal inlet.
tidal delta
caldera
intrusive
cone of depression
9. Any form of water & such as rain & sleet & or snow & that falls to Earth's surface.
humus
atoll
precipitation
stratum
10. An eruption of lava that takes place from a fracture & usually without producing a cone.
volcano
fissure eruption
Pelean eruption
lava
11. A sedimentary rock composed of combustible matter derived from the partial decomposition of plant material.
chlorophyll
oal
nutrient
anemometer
12. Any solid material that has settled out of a state of suspension in liquid.
sediment
compaction
spring
drainage basin
13. 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.
chemical sedimentary rock
lava
intensity
shoreline
14. A process of land degradation initiated by human activity & particularly in the zones along the margins of deserts.
base
desertification
Continntal Drift Theory
plate
15. 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.
scour
fringing reef
lava lake
superposition
16. A curved belt of volcanic islands lying above a subduction zone.
cone of depression
island arc
crystal
urban
17. No identifiable layers of minerals in a rock sample
nonfoliated
current speed
solstice
bar
18. 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.
region
disintegration (mechanical weathering)
oceanic crust
coast
19. The solid innermost part of the core with a diameter of a little over 1 &200 km.
surf
pyroclastic
inner core
Andromeda
20. Ratio between weight of given volume of material and weight of equal volume of pure water.
equinox
continental divide
ablation
specific gravity
21. A process of erosion in which wind carries off particles of dust and sand.
fluctuate
Jupiter
sand dune
deflation
22. The Sun with all the celestial bodies that revolve around it.
exotic river
abundant metal
isostatic change in sea level
solar system
23. 1. A mass of sand & gravel & or alluvium deposited on the bed of a stream & sea & or lake & or at the mouth of a stream 2. A unit of pressure & approximately equal to atmospheric pressure at sea level.
permafrost
seismic gap
neptune
bar
24. Deserts formed by blocking moisture-bearing winds with mountain barriers.
swash and back wash
rain shadow deserts
Richter scale
fault
25. The vertical distance between the crest and adjacent trough of a wave.
wave height
scale
open pit mining
fossil fuel
26. A lake in an abandoned meander.
shield volcano
levees
plain
oxbow lake
27. A division of geologic time next smaller than the eon and larger than a period. Example: The Paleozoic era is in the Phanerozoic eon and includes & among others & the Devonian period.
Hale-Bopp
cinder cone
arid
era
28. The attractive force between two objects; its magnitude depends on their masses and the distance between them.
lava flood (plateau basalt)
fossil
gravity
conduction
29. Verifying assessments made from satellite data by doing direct & 'on-the ground' measurements.
pH
fluctuate
lava flood (plateau basalt)
groundtruthing
30. Shapes & like mountains or hills that make up the Earth's surface.
Venus
landforms
prairie
continental divide
31. The speed at which water flows.
current speed
comet
extrusive
dust bowl
32. The zones of seismic activity long which plates are in contact.
geothermal energy
plate boundaries
scientific model
ground water
33. A study designed to collect critical data to be used for comparison or as a control in a later study.
column
drift
pathogen
baseline study
34. Reduction of pore space between individual particles as the result of overlying sediments or of tectonic movements.
compaction
atoll
density
solstice
35. Living on land.
prairie
geologic column
terrestrial
longitude
36. Large area of extremely flat ocean floor lying near a continent and generally over 4 km in depth.
black hole
pahoehoe
abyssal plain
rainforest
37. A vent in the surface of the Earth & from which lava & ash & and gases erupt.
constellation
volcano
black smoker
strip mining
38. The speed at which water flows.
pollutant
smelting
current speed
comet
39. Materials that are found in nature that are useful or necessary for people to live.
global warming
Mesozoic
natural resources
biogenic sediment
40. The rise and fall of sea level caused by the gravitational pull of the Sun and Moon on the Earth.
karst
tide
exotic river
hemisphere
41. The precipitation that runs directly off the surface to stream or body of standing water.
runoff
water clarity
wind farm
wave crest
42. A type of disintegration in which jointed rock is forced apart by the expansion of water as it freezes in fractures.
light-year
frost wedging
Proxima Centauri
mineral
43. As applied to glacier ice & the process by which ice below the snow line is wasted by evaporation and melting.
cone of depression
waterfall
seismoscope
ablation
44. A valley caused by extension of the Earth's crust. Its floor forms as a portion of the crust moves downward along normal faults.
trench
steppe
rift (graben)
denudation
45. Fossils formed when water containing minerals leaks into a mold. The minerals harden to form a copy of the original structure or organism.
casts
Gondwana
snow line
prairie
46. The breaking away of ice from the front of the glacier when it ends in a lake or an ocean. Produces icebergs.
crevasse
calving
neptune
meander
47. A steep-sided rounded extrusion of highly viscous lava squeezed out from a volcano and forming a dome-shaped or bulbous mass above and around the volcanic vent. The structure generally develops inside a volcanic crater.
pathogen
intertidal zone
lava dome
striations
48. A dense & hot (sometimes incandescent) cloud of volcanic ash and gas produced in a Pelean eruption.
prairie
sod
mineral
nuee ardente
49. A rock that has crystallized from a molten state.
geologic time scale
continental divide
igneous rock
pollutant
50. To preserve & or to avoid wasteful use.
nuee ardente
conserve
plutonic
telescope