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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. Iron & aluminum & magnesium & manganese & and titanium. Ores of the abundant metals only need to be 3 - 5 times as metal-rich as average rock.
era
Venus
zone of saturation
abundant metal
2. 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.
solstice
moon
suspended load
plate
3. The amount of dissolved salt in water.
salinity
swells
isthmus
floodplain
4. The layer of gases (air) & that surrounds a planet or moon.
pyroclastic
renewable resources
atmosphere
steppe
5. A sea level change due to change in load on Earth's crust.
seismology
eustatic change in sea level
isostatic change in sea level
viscosity
6. A large amount of gas and dust in space & spread out in an immense volume.
stalagmite
plate tectonics
ozone layer
nebula
7. A large ridge or mound-like structure within a body of water that is built by calcareous organisms such as corals & red algae & and bivalves.
cementation
Prime Meridian
trench
reef
8. An abandoned meander .
conserve
oxbow
seismoscope
fluctuate
9. Water beneath the Earth's surface.
mineral
drift
pH
ground water
10. Elongated rises on the ocean floor where basalt periodically erupts & forming new oceanic crust.
beach
salinization
fissure eruption
mid-ocean ridges
11. The arrangement of rock units in the proper chronological order from youngest to oldest.
zone of saturation
Continntal Drift Theory
water clarity
geologic column
12. 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.
icecap
escarpment
basalt
pyroclastic
13. Forms along a coast as wave erosion cuts through a headland.
granitic
desertification
arch
island arc
14. 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.
ice shelf
tell
oceanic crust
nautical mile
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.
cartographer
superposition
region
galaxy
16. The generally dark & more or less stable part of the organic matter in a soil & so well decomposed that the original sources cannot be identified.
magnitude
humus
weathering
Saturn
17. A large & basin-shaped volcanic depression & more or less circular in form. Typically steep-sided & found at the summit of a shield volcano.
latitude
geologic time scale
seamount
caldera
18. A conical volcano formed by the accumulation of pyroclastic debris around a vent.
eustatic change in sea level
metamorphic rock
casts
cinder cone
19. Flat land covered with tall grass and wildflowers.
trench
prairie
rift (graben)
convection cell
20. Similar to a groin but built to keep sand out of a harbor entrance.
jetty
orogeny
lithification
dust storm
21. A post of dripstone growing up from a cave floor.
stalagmite
snow line
legend
eustatic change in sea level
22. 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.
urban
intrusive
flood
hemisphere
23. All unconsolidated materials above bedrock. Natural earthy materials on the Earth's surface & in places modified or even made by human activity & containing living matter & and supporting or capable of supporting plants out of doors.
soil
drought
stratum
Venus
24. The green pigment in the cells of many plants that enables them to use sunlight to convert carbon dioxide and water into carbohydrates in the process called photosynthesis.
intensity
pyroclastic
chlorophyll
eclipse
25. The chronological sequence of units of Earth time.
ozone
geologic time scale
observator
eustatic change in sea level
26. An artificial hill formed by the debris of successive human settlements.
zone of saturation
tell
petroleum
wave trough
27. Glacial drift composed of rock fragments that range from clay to boulder size and randomly arranged without bedding.
pathogen
till (unstratified drift)
baseline study
igneous rock
28. The precipitation that runs directly off the surface to stream or body of standing water.
axis
runoff
ablation
quarrying
29. 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.
lava dome
nonfoliated
denudation
bar
30. He area from which a stream and its tributaries receives its water.
humus
drainage basin
ground moraine
sedimentary rock
31. The low spot between two successive waves.
stalactite
estuary
wave trough
seastack
32. A process of erosion in which wind carries off particles of dust and sand.
inner core
geologic column
deflation
flash flood
33. A vent in the surface of the Earth & from which lava & ash & and gases erupt.
volcano
renewable resources
satellite
black hole
34. Any place where bedrock is visible on the surface of the Earth.
isostasy
scale
convection
outcrop
35. A hole or basin cut into bedrock of a stream by the abrasive action of pebbles and sand swirled by turbulent stream flow.
pothole
mesosphere
plain
runoff
36. A cavity in a lava & formed by the entrapment of a gas bubble during solidification of the lava.
vesicle
stratum
subduction zone
shoreline
37. One of several rock-forming minerals that contain at least 95% silica (quartz). and usually one or more other common elements.
silicate
tide
till (unstratified drift)
current speed
38. Objects revolving around the sun that are too small and too numerous to be considered planets.
nuee ardente
longitude
drainage divide
asteroid
39. A process by which salts accumulate in soil.
nova -- (Supernova)
salinization
luster
cleavage
40. The reflection of light on a given mineral's surface & classified by intensity and quality.
chemical sedimentary rock
luster
ozone
arid
41. A glaciated valley now flooded by the sea.
nutrient
siltation
fjord
loess
42. Rock formed from the accumulation of sediment & Which may consist of fragments and mineral grains of varying sizes from pre-existing rocks & remains or products of animals and plants & the products of chemical action & or mixtures of these.
Paleozoic
Earth
magnitude
sedimentary rock
43. A device containing a free-swinging magnetic needle that is attracted to Earth's magnetic North Pole. Used to determine direction of travel.
aquatic
terrestrial
pollutant
compass
44. Living in water.
volcanic ash
aquatic
thermal spring
divergent boundary
45. The closest star to Earth besides the sun. It is approximately 4 light years away.
jetty
Proxima Centauri
Uniformitarianism
water clarity
46. The region of a shore that is covered at high tide and exposed at low tide.
basaltic
intertidal zone
Continntal Drift Theory
seismoscope
47. A flood that rises and falls very rapidly.
watershed
igneous rock
flash flood
quarrying
48. A cavity in a lava & formed by the entrapment of a gas bubble during solidification of the lava.
longitude
vesicle
tell
Venus
49. A worldwide change in sea level & such as caused by melting glaciers.
Milky Way
eustatic change in sea level
arid
drought
50. Produced as a wave steepens and falls forward as the wave nears the shore.
nuee ardente
quarrying
convection
surf