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Test your basic knowledge |
Earth Science
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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 delta formed at both sides of a tidal inlet.
secchi disk
estuary
black hole
tidal delta
2. Uranus is named after the Roman god of the sky. It is the seventh planet from the Sun.
Laurasia
wave crest
Uranus
meander
3. An ingredient in a food or other substance that nourishes or promotes growth.
back swamp
wind farm
nutrient
eustatic change in sea level
4. 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.
strip mining
outcrop
seafloor spreading
groin
5. The primary division of geologic time which are & from oldest to youngest & the Hadean & Archean & Proterozoic & and Phanerozoic eons.
chemical sedimentary rock
eon
thrust fault
shoreline
6. The mass of an object divided by its volume.
density
silicate
silicate
Proxima Centauri
7. The weak or 'soft' zone in the upper mantle just below the lithosphere & involved in plate movement and isostatic adjustments. It lies 70 to 100 km below the surface and may extend to a depth of 400 km.
asthenosphere
Earth
collisional Boundary
magnetic equator
8. The closest galaxy to the Milky way. It is approximately 2 million light-years away.
Uranus
oal
Andromeda
tidal delta
9. A process by which salts accumulate in soil.
nova -- (Supernova)
salinization
beach
tectonic Plates
10. The reflection of light on a given mineral's surface & classified by intensity and quality.
seismoscope
coast
plain
luster
11. The partial or complete blocking from view of one object by another.
eclipse
humus
biogenic sediment
Paleozoic
12. Scratches & or small channels & gouged by glacier action. Occur on boulders & pebbles & and bedrock. Striations along bedrock indicate direction of ice movement.
karst
silicate
oal
striations
13. The zone below the zone of aeration in which all pore spaces are filled with water.
natural resources
abyssal plain
zone of saturation
oceanic trench
14. The acidity in rain due to gases from internal combustion engines and coal- and oil-burning power plants.
Pelean eruption
dust bowl
basin
acid rain
15. The line formed by the intersection of the axial plane of a fold with a bedding plane & marking where the bed shows its maximum curvature.
floodplain
continental shelf
telescope
axis
16. A downward distortion or dimple in the water table that forms as a well pumps water faster than it can flow through the aquifer.
elevation
volcanic ash
cone of depression
conserve
17. Produced as a wave steepens and falls forward as the wave nears the shore.
water table
surf
you-shaped valley
p- wave (primary wave & compressional wave)
18. The pattern of water circulation from the ocean to the atmosphere to the land and back to the ocean.
hydrologic cycle
sextant
eclipse
stormwater runoff
19. A hydrocarbon (coal or petroleum) that can be extracted from the Earth for use as a fuel. Fossil fuels are non-renewable energy sources.
tidal delta
mineral deposit
compaction
fossil fuel
20. An area subject to dust storms & especially south central United States .
peat
dust bowl
hardpan
body wave
21. The internal resistance to flow in a liquid.
nonfoliated
viscosity
silicate
seamount
22. Large area of extremely flat ocean floor lying near a continent and generally over 4 km in depth.
resources
reservoir rock
abyssal plain
basin
23. 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.
volcanic ash
wave height
atmosphere
fossil
24. Deposition of fine mineral particles (silt) on the beds of streams or lakes.
meander
chalk
star
siltation
25. Uranus is named after the Roman god of the sky. It is the seventh planet from the Sun.
Uranus
lava
oceanic trench
cartographer
26. The physical & chemical & and biological processes by which rock at or near the Earth's surface is broken down into smaller pieces.
weathering
eon
water clarity
liquefaction
27. The process of one plate descending beneath another.
subduction
stalactite
rapids
gemstone
28. A vertical conduit through the Earth's crust below a volcano & through Which magma has passed.
pipe
plate
Greenhouse Effect
chalk
29. A measure of the strength of an earthquake based on the amount of movement recorded by a seismograph . compare Richter scale.
transcontinental
seismic gap
magnitude
escarpment
30. A narrow strip of land along the margin of the ocean extending inland for a variable distance from low water mark.
superposition
biogenic sedimentary rock
dust devil
coast
31. A general term for a relatively hard layer of soil at or just below the ground surface & cemented by silica & iron oxide & calcium carbonate & or organic matter.
Modified Mercalli Scale
aquifer
hardpan
focus
32. The Sun with all the celestial bodies that revolve around it.
crevasse
p- wave (primary wave & compressional wave)
solar system
pipe
33. The way in which a rock or mineral breaks in random patterns rather than cleaving
fracture
hardpan
crevasse
suspended load
34. 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.
seismic sea wave (tsunami)
Uranus
nebula
Pelean eruption
35. A small ice sheet.
icecap
fault
geology
casts
36. 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.
fold and thrust mountains
bar
greenhouse gases
transform boundary
37. 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'.
inertia
arch
you-shaped valley
thrust fault
38. 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.
ecosystem
era
gemstone
pyroclastic
39. The amount of dissolved salt in water.
storm surge
salinity
chemical sediment
triangulation
40. An area in which a large number of windmills have been erected to generate electrical power.
wind farm
Precambrian
density
denudation
41. Materials that are found in nature that are useful or necessary for people to live.
till (unstratified drift)
flash flood
sod
natural resources
42. The zones of seismic activity long which plates are in contact.
plate boundaries
hot spot
quarrying
lava dome
43. The science that deals with the study of the planet Earth--the materials of which it is made & the processes that act to change these materials from one form to another & and the history recorded by these materials; the forces acting to deform the ou
isostatic change in sea level
stratovolcano (composite volcano)
seafloor spreading
geology
44. The precipitation that runs directly off the surface to stream or body of standing water.
p- wave (primary wave & compressional wave)
period
mesosphere
runoff
45. A Hawaiian term for a basaltic lava flow with a smooth & or ropy surface.
desertification
longitude
pahoehoe
erratic
46. A giant structure that contains hundreds of billions of stars.
peat
plate
lava flood (plateau basalt)
galaxy
47. A sedimentary rock composed primarily of biogenic sediments.
swells
biogenic sedimentary rock
secchi disk
sandstorm
48. Till deposited from main body of glacier during ablation.
groundtruthing
striations
humid
ground moraine
49. The speed at which water flows.
zone of leaching
specific gravity
disintegration (mechanical weathering)
current speed
50. Extending across a continent.
inner core
Richter scale
isostasy
transcontinental
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