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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 curved belt of volcanic islands lying above a subduction zone.
oceanic trench
granitic
orogeny
island arc
2. 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.
subduction zone
nuee ardente
era
pollutant
3. A mound or ridge of sediment deposited by a glacier.
moraine
Earth
stratification
tell
4. A rock changed from its original form and/or composition by heat & pressure &shearing stress & or chemically active fluids & or some combination of them.
metamorphic rock
clast
decomposition (chemical weathering)
Cenozoic
5. The zone below the zone of aeration in which all pore spaces are filled with water.
zone of saturation
Andromeda
conduction
rock
6. A large amount of gas and dust in space & spread out in an immense volume.
nebula
fracture
baseline study
intertidal zone
7. Pluto is named after the Roman god of the Underworld. No longer considered a planet.
orogeny
Precambrian
magnitude
Pluto
8. 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.
stratovolcano (composite volcano)
continental shelf
barrier reef
focus
9. 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.
outer core
vesicle
foliated
black smoker
10. Any solid material that has settled out of a state of suspension in liquid.
sediment
wave length
compression fossil
meteoroid
11. Evidence in rock of the presence of past life & such as a dinosaur bone & an ancient clam shell & or the footprint of a long-extinct animal as well as life history artifacts.
fossil
back swamp
Richter scale
elevation
12. Verifying assessments made from satellite data by doing direct & 'on-the ground' measurements.
magnetic polarity
water clarity
groundtruthing
subtropical deserts
13. The resistance of a mineral to scratching & as measured by the Mohs scale.
precipitation
kettle
hardness
acid rain
14. In the geologic time scale a unit of time less than an era and greater than an epoch. Example: The Tertiary period was the earliest period in the Cenozoic era and included & among others & the Eocene epoch.
humus
snow line
cleavage
period
15. The low spot between two successive waves.
continental crust
wave trough
oxbow
bedrock
16. The very slow & generally continuous downslope movement of soil and debris under the influence of gravity.
creep
Milky Way
seismic sea wave (tsunami)
barrier reef
17. The internal resistance to flow in a liquid.
viscosity
breakwater
biogenic sedimentary rock
eclipse
18. 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
icecap
dust bowl
Greenhouse Effect
Pelean eruption
19. A commonly used scale of earthquake intensity.
steppe
outcrop
nova -- (Supernova)
Modified Mercalli Scale
20. Mars is named after the Roman god of war. It is the fourth planet from the Sun.
Mars
Andromeda
vesicle
stormwater runoff
21. Materials that are found in nature that are useful or necessary for people to live.
legend
mesosphere
natural resources
axis
22. Formed when an organism is flattened (compressed) and a thin film of organic material from its body is left in the rock.
open pit mining
El Nino
tell
compression fossil
23. The production of living matter by organisms that make food using sunlight or chemicals. Usually expressed as grams of carbon per square meter per year.
primary productivity
deflation
seafloor spreading
stalactite
24. Flat land covered with tall grass and wildflowers.
prairie
continental rise
aquatic
barrier beaches
25. To change back and forth uncertainly.
light-year
fluctuate
surf
dust storm
26. A curved belt of volcanic islands lying above a subduction zone.
Pillow Lava
island arc
coast
epicenter
27. To wash or scrub away.
conserve
scour
continental divide
equinox
28. The point on the Earth's surface where a magnetic needle points vertically downward (north magnetic pole) or vertically upward (south magnetic pole).
fossil
drift
magnetic pole
lava flood (plateau basalt)
29. A measure of the size of an earthquake in terms of the damage it causes.
stormwater runoff
ecosystem
cinder cone
intensity
30. 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.
water clarity
basalt
strip mining
groin
31. To preserve & or to avoid wasteful use.
siltation
peat
fluctuate
conserve
32. The accumulation of material in layers or beds.
stratification
continental rise
calving
drainage divide
33. The portion of the continental margin that lies between the abyssal plain and the continental slope. The continental rise is underlain by crustal rocks of the ocean basin.
sextant
pipe
continental rise
scour
34. The line separating land and water.
shoreline
barrier reef
shield volcano
cone of depression
35. A broad & mound-like mass of glacier ice that usually spreads radially outward from a central zone.
inner core
Laurasia
ice sheet
prairie
36. An area where fresh water comes into contact with seawater & usually in a partly enclosed coastal body of water; a mix of fresh and salt water where the current of a stream meets the tides.
period
estuary
Galileo
acid rain
37. The portion of the continental margin that lies between the abyssal plain and the continental slope. The continental rise is underlain by crustal rocks of the ocean basin.
continental rise
water clarity
latitude
atlas
38. The distance between two successive wave crests or troughs.
pothole
island arc
nutrient
wave length
39. 1. A steep-walled & usually conical depression at the summit or on the flanks of a volcano & resulting from the explosive ejection of material from a vent. 2. A bowl-shaped depression with a raised & overturned rim produced by the impact of a meteori
compaction
silicate
magnetic equator
crater
40. A measure of the size of an earthquake in terms of the damage it causes.
intensity
fjord
Milky Way
cleavage
41. The layer of gases (air) & that surrounds a planet or moon.
crust
atmosphere
Pluto
anemometer
42. 1. A low & bowl-shaped area of land surrounded by higher lands. 2. any large depression in which sediments are deposited.
eon
basin
fissure eruption
erosion
43. 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.
island arc
crater
stratification
plate
44. An eruption of lava that takes place from a fracture & usually without producing a cone.
metamorphic rock
permafrost
oceanic trench
fissure eruption
45. A downward distortion or dimple in the water table that forms as a well pumps water faster than it can flow through the aquifer.
neptune
scientific model
crust
cone of depression
46. An isolated & steep-sided & rocky mass or island just offshore from a rocky headland & usually on a shore platform.
clastic
Uniformitarianism
seastack
hardpan
47. A conical volcano formed by the accumulation of pyroclastic debris around a vent.
anemometer
continental divide
water table
cinder cone
48. 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.
current speed
humus
era
shoreline
49. The initial point within the Earth that ruptures in an earthquake & directly below the epicenter. The point within the Earth which is the center of an earthquake & at which strain energy is first released and converted to elastic wave energy.
meander
wave length
pathogen
focus
50. The theory that states that the present-day continents are the fragmented pieces of preexisting larger landmasses called supercontinents.
granitic
permafrost
Continntal Drift Theory
equinox