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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. Any solid material that has settled out of a state of suspension in liquid.
fetch
sediment
inner core
Mars
2. 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.
El Nino
Mars
outer core
Proxima Centauri
3. The distance light travels through a vacuum in one year.
light-year
seamount
soil
orogeny
4. A glaciated valley now flooded by the sea.
humid
pH
aftershock
fjord
5. 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.
plain
pothole
era
channelization
6. The process by which a binding & or cementing & agent is precipitated in spaces among individual particles of a deposit. Common cementing agents are calcite & quartz & and dolomite.
bar
erratic
cementation
aftershock
7. A method of sediment transport in which the turbulence of a fluid is able to keep particles supported in the fluid.
suspension
equinox
prairie
baseline study
8. (Latin- Sol & Greek- Helios)the closest star to Earth. It is a giant ball of gas without any solid surface.
fracture
fluctuate
Mars
Sun
9. The innermost zone of Earth. It consists of two parts & an outer liquid section and an inner solid section & both chiefly of iron and nickel with about 10 percent lighter elements. It is surrounded by the mantle.
core
atlas
beach
chalk
10. 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.
inertia
karst
particulate air pollution
estuary
11. A measure of the strength of an earthquake based on the amount of movement recorded by a seismograph . compare Richter scale.
pahoehoe
magnitude
collisional Boundary
seamount
12. A famous scientist who proposed that the Sun was the center of the solar system not the Earth. (Heliocentrism)
Copernicus & Nicholas
till (unstratified drift)
lava lake
telescope
13. Bent rock strata.
galaxy
fold
anemometer
extrusive
14. The region of a shore that is covered at high tide and exposed at low tide.
snow line
intertidal zone
pathogen
focus
15. The peak flow of water that tops the banks of a stream channel.
oxbow
flood
anemometer
aquatic
16. 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.
El Nino
continental divide
superposition
sediment
17. The very slow & generally continuous downslope movement of soil and debris under the influence of gravity.
creep
gravity
foliated
continental crust
18. The chronological sequence of units of Earth time.
mineral
dust storm
rock
geologic time scale
19. The distance light travels through a vacuum in one year.
light-year
chemical sedimentary rock
orogeny
transcontinental
20. 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.
stormwater runoff
Proterozoic
intrusive
escarpment
21. A sedimentary rock composed primarily of biogenic sediments.
steppe
biogenic sedimentary rock
shore
aftershock
22. A comet that passed Earth in 1997 and won't return to the inner solar system until the year 4377.
marine Chronometer
atmosphere
Hale-Bopp
outcrop
23. Plutonic. Antonym of extrusive. Pertaining to igneous rocks or features formed by the emplacement of magma in pre-existing rocks.
intrusive
decomposition (chemical weathering)
continental crust
Hadean
24. 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
moraine
Greenhouse Effect
axis
icecap
25. Any form of water & such as rain & sleet & or snow & that falls to Earth's surface.
abundant metal
lithification
fjord
precipitation
26. A rock that has crystallized from a molten state.
abyssal plain
snow line
suspension
igneous rock
27. Living on land.
telescope
resources
terrestrial
exotic river
28. Flat land covered with tall grass and wildflowers.
prairie
seismology
aa
lithification
29. A fracture or zone of fractures along the boundaries of tectonic plates where movement has taken place.
Cenozoic
fault
shield volcano
erratic
30. The zone below the zone of aeration in which all pore spaces are filled with water.
estuary
asthenosphere
zone of saturation
black smoker
31. A small & dust-bearing whirlwind.
lava dome
watershed
anemometer
dust devil
32. A vent on the seafloor from which hydrothermal fluids are emitted. Upon mixing with seawater and cooling & the fluids precipitate a cloud of fine-grained sulfide minerals that resembles a cloud of black smoke.
black smoker
lithification
wave trough
oceanic crust
33. A reverse fault on which the dip angle of the fault plane is 15 degrees or less.
erosion
igneous rock
thrust fault
erratic
34. A portable time keeper with a mechanism for ensuring accuracy and adjusting itself & used for determining longitude at sea.
rock cycle
nuee ardente
magnetic equator
marine Chronometer
35. 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.
baseline study
rockslide (rock avalanche)
fjord
ground water
36. The concept of a sequence of events involving the formation & alteration & destruction and reformation of rocks as a result of geologic processes.
rock cycle
ozone layer
scale
desertification
37. Uranus is named after the Roman god of the sky. It is the seventh planet from the Sun.
biogenic sediment
sod
Uranus
habitat
38. 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.
Proxima Centauri
oceanic crust
pipe
hemisphere
39. A type of disintegration in which jointed rock is forced apart by the expansion of water as it freezes in fractures.
runoff
frost wedging
Hale-Bopp
biogenic sedimentary rock
40. The study of earthquakes & and of the structure of the Earth by both natural and artificially generated seismic waves.
era
ice sheet
seismology
seismic gap
41. A sedimentary rock made up of chemical sediments. Example: rock salt.
breakwater
chemical sedimentary rock
rockslide (rock avalanche)
density
42. 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.
discharge
hemisphere
wave trough
nutrient
43. 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.
wave height
volcanic
tectonic Plates
chemical sediment
44. A chuck of rock or dust in space.
sod
equator
deposition
meteoroid
45. An eon of geologic time extending from about 3.9 billion years to 2.5 billion years ago.
eclipse
focus
archaean
foreshock
46. The reflection of light on a given mineral's surface & classified by intensity and quality.
siltation
hydrologic cycle
vesicle
luster
47. Fossils formed when water containing minerals leaks into a mold. The minerals harden to form a copy of the original structure or organism.
reservoir rock
casts
scientific model
mesosphere
48. 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.
oal
period
divergent boundary
beach
49. Living on land.
era
stormwater runoff
terrestrial
satellite
50. The surface between the zone of saturation and the zone of aeration.
divergent boundary
glaciation
water table
storm surge