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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.
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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 thick layer of soil.
tide
sod
magma
atoll
2. A vertical conduit through the Earth's crust below a volcano & through Which magma has passed.
pipe
subduction
sandstorm
volcano
3. The areas of & in & or constituting a city.
kettle
foliated
wave trough
urban
4. The current geologic era & which began 66.4 million years ago and continues to the present.
outcrop
igneous rock
Cenozoic
inner core
5. The uprush of a wave onto the beach followed by the return flow of the water down the beach slope in the intervals between waves.
swash and back wash
dust storm
gravity
black hole
6. A term applied to large areas of basaltic lava presumably extruded from fissures.
fringing reef
oxbow lake
seastack
lava flood (plateau basalt)
7. The process of mountain building.
orogeny
convergent boundary
Hadean
mid-ocean ridges
8. An area of land that delivers runoff water & sediment & and dissolved substances to surface water bodies & such as rivers or lakes. All watersheds consist of boundaries & a basin and collection areas.
frost wedging
rainforest
watershed
seastack
9. A tool for measuring the relative clarity of water.
arch
bar
inner core
secchi disk
10. The line separating land and water.
elevation
shoreline
lava dome
groundtruthing
11. A reverse fault on which the dip angle of the fault plane is 15 degrees or less.
p- wave (primary wave & compressional wave)
thrust fault
triangulation
epoch
12. Temporary accumulations of sediments that collect between low and high water marks.
geothermal energy
wave trough
fold and thrust mountains
beach
13. The oldest eon in Earth history & extending from the origin of the Earth to about 3.9 billion years ago.
Hadean
caldera
intensity
fissure eruption
14. A steep or vertical cliff & either above or below sea level.
magnetic equator
casts
Andromeda
escarpment
15. Formed when an organism is flattened (compressed) and a thin film of organic material from its body is left in the rock.
compression fossil
humid
magnetic equator
icecap
16. The arrangement of rock units in the proper chronological order from youngest to oldest.
global warming
geologic column
foreshock
abyssal plain
17. 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)
ecosystem
Saturn
rain shadow deserts
18. Mercury is named after the Roman messenger of the gods. It is the closest to the Sun.
Mercury
meteoroid
nebula
Pluto
19. Mars is named after the Roman god of war. It is the fourth planet from the Sun.
hardness
reserves
Mars
outcrop
20. 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.
anemometer
magnitude
superposition
tectonic Plates
21. The closest galaxy to the Milky way. It is approximately 2 million light-years away.
cartographer
salinity
Andromeda
abyssal plain
22. An abandoned meander .
geology
aa
oxbow
Hadean
23. Of or relating to or containing basalt & a dark & dense & extrusive rock that has a silica content of 40% to 50% and makes up most of the ocean floor.
basaltic
kettle
crevasse
oxbow
24. The relationship between distances in the area being mapped and distances in the map itself.
arch
oceanic trench
scale
nova -- (Supernova)
25. Any porous and permeable rock that yields oil or natural gas.
mid-ocean ridges
reservoir rock
continental rise
floodplain
26. The closest star to Earth besides the sun. It is approximately 4 light years away.
swells
Proxima Centauri
geothermal energy
solstice
27. A system involving continuous interaction of the solid Earth & the atmosphere & the oceans and living things.
mesosphere
icecap
quarrying
Earth system
28. A substance that produces positively charged hydrogen ions (H+) when dissolved in water.
casts
karst
smelting
acid
29. A Hawaiian term for a lava flow that has a rough & jagged surface.
aa
denudation
cone of depression
shoreline
30. The vertical distance between the crest and adjacent trough of a wave.
suspended load
chlorofluorocarbons (CFC's)
geologic time scale
wave height
31. A landscape that develops from the action of ground water in areas of easily soluble rocks. It is usually characterized by caves & underground drainage and sinkholes.
gemstone
Phanerozoic
ice sheet
karst
32. The closest star to Earth besides the sun. It is approximately 4 light years away.
Proxima Centauri
oal
bar
watershed
33. The elevation at which snow persists throughout the year.
snow line
dust devil
lava
secchi disk
34. The formation & advance and retreat of glaciers and the results of these activities.
glaciation
smelting
Paleozoic
subduction
35. The two days of the year on which neither hemisphere is tilted toward or away from the sun.
equinox
Earth system
pahoehoe
lava lake
36. The distance light travels through a vacuum in one year.
terrestrial
sod
light-year
constellation
37. A zone in the Earth between 400 and 670 km below the surface separating the upper mantle from the lower mantle.
flood
mesosphere
Venus
dust storm
38. That portion of the Earth below the crust and reaching to about 2 &780 km & where a transition zone of about 100 km thickness separates it from the core.
continental divide
mantle
geothermal energy
continent
39. Any of various minerals prized for beauty & durability & and rarity. A few noncrystalline materials of organic origin (e.g. & pearl & red coral & and amber) also are classified as gemstones.
geology
aftershock
striations
gemstone
40. Any object that revolves around another object in space.
seismic gap
satellite
basin
period
41. A mass of ice & formed by the recrystallization of snow & that flows forward & or has flowed at some time in the past.
glacier
estuary
metamorphic rock
solstice
42. A general term including both oil and natural gas.
Earth
petroleum
boundary
wave height
43. The reserves of a valuable mineral commodity plus all other mineral deposits that may eventually become available & even those that are presumed to exist but have not yet been discovered and those that are not economically or technologically exploita
resources
suspended load
delta
casts
44. An aggregate of one or more minerals in varying proportions.
nebula
rock
flood
fjord
45. A guide to reading a map that typically contains distance scales & arrows indicating direction & and/or explanations of symbols used.
meteoroid
light-year
legend
abyssal plain
46. A group of stars that appear to make a pattern in the sky. The Big Dipper is a constellation.
seismic gap
spring
constellation
fold and thrust mountains
47. 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.
triangulation
seafloor spreading
oceanic crust
continental shelf
48. The reflection of light on a given mineral's surface & classified by intensity and quality.
seismology
escarpment
wave length
luster
49. The zone below the zone of aeration in which all pore spaces are filled with water.
compass
plain
chalk
zone of saturation
50. Lava extruded beneath water characterized by pillow shapes.
Pillow Lava
greenhouse gases
secchi disk
dust devil
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