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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. The solid innermost part of the core with a diameter of a little over 1 &200 km.
intertidal zone
foreshock
inner core
glacier
2. Gases (primarily water and carbon dioxide & but also a variety of sulfur and nitrogen compounds and gaseous hydrocarbons) that trap the Sun's heat in the atmosphere.
greenhouse gases
breakwater
Pluto
delta
3. Glacial deposits laid down directly by glaciers or laid down in lakes & ocean & or streams as result of glacial activity.
ablation
global warming
drift
compass
4. Saturn is named after the Roman god of the harvest. It is the sixth planet from the Sun.
continental divide
Saturn
open pit mining
specific gravity
5. 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
arch
crater
atmosphere
zone of aeration
6. A collection of maps.
viscosity
atlas
oceanic trench
rift (graben)
7. A portable time keeper with a mechanism for ensuring accuracy and adjusting itself & used for determining longitude at sea.
seismoscope
discharge
marine Chronometer
deposition
8. The mass of an object divided by its volume.
stratification
soil
ore deposit
density
9. Glacial drift composed of rock fragments that range from clay to boulder size and randomly arranged without bedding.
Earth system
till (unstratified drift)
solstice
base
10. That part of the continental margin that lies between the continental shelf and the continental rise. Slope relatively steep & 3o - 6o. The continental slope is underlain by crustal rocks of the continent.
triangulation
shoreline
mesosphere
continental slope
11. A type of thermal spring which ejects water intermittently with considerable force.
lava flood (plateau basalt)
casts
continent
geyser
12. The perpendicular or very steep descent of a stream.
waterfall
bedrock
frost wedging
meander
13. A building that contains one or more telescopes.
gemstone
cave
observator
disintegration (mechanical weathering)
14. The zone below the zone of aeration in which all pore spaces are filled with water.
escarpment
clastic
zone of saturation
inertia
15. The transformation of a soil from a solid to a liquid state as the result of increased pore pressure.
sedimentary rock
liquefaction
Pangea
metamorphic rock
16. Mercury is named after the Roman messenger of the gods. It is the closest to the Sun.
rain shadow deserts
Mercury
surf
magnetic equator
17. A geometrical form taken by a mineral & giving external expression to orderly internal atomic arrangement.
ore
tidal inlet
crystal
sextant
18. A minor tremor that precedes an earthquake. An increase in seismicity may signal that a major release of strain energy is about to occur.
foreshock
sextant
decomposition (chemical weathering)
eon
19. 1. A low & bowl-shaped area of land surrounded by higher lands. 2. any large depression in which sediments are deposited.
p- wave (primary wave & compressional wave)
basin
geologic column
groundtruthing
20. The rise and fall of sea level caused by the gravitational pull of the Sun and Moon on the Earth.
tide
desertification
abyssal plain
acid rain
21. 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.
hardpan
compaction
igneous rock
liquefaction
22. Any form of water & such as rain & sleet & or snow & that falls to Earth's surface.
barrier beaches
superposition
boundary
precipitation
23. The amount of material a stream carries in suspension.
base
hardpan
suspended load
mantle
24. The process of mountain building.
orogeny
sediment
basin
ore
25. A glaciated valley now flooded by the sea.
galaxy
focus
Hale-Bopp
fjord
26. 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.
geothermal energy
neptune
Proterozoic
ozone layer
27. To wash or scrub away.
seafloor spreading
thrust fault
cartographer
scour
28. 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.
wind farm
humus
ore
icecap
29. Refers to rock or sediments made up primarily of broken fragments of pre-existing rocks or minerals.
clastic
hot spot
meander
transform boundary
30. A process of erosion in which wind carries off particles of dust and sand.
plain
deflation
exotic river
tectonic Plates
31. An individual grain or constituent of a rock.
Modified Mercalli Scale
rock
humus
clast
32. Heat transport by direct transfer of energy from one particle to another & without moving the particle to a new location.
intertidal zone
convection cell
conduction
Pillow Lava
33. A system that uses a constellation of 24 satellites & their ground stations & and individual GPS receivers to accurately locate points on Earth.
Global Positioning System (GPS)
seafloor spreading
crater
subduction
34. A vent in the surface of the Earth & from which lava & ash & and gases erupt.
sextant
eon
runoff
volcano
35. Uranus is named after the Roman god of the sky. It is the seventh planet from the Sun.
Uranus
constellation
acid
Proterozoic
36. The way in which a rock or mineral breaks in random patterns rather than cleaving
cave
fracture
terrestrial
fossil fuel
37. A valley caused by extension of the Earth's crust. Its floor forms as a portion of the crust moves downward along normal faults.
collisional Boundary
zone of saturation
ground moraine
rift (graben)
38. 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.
marine Chronometer
basalt
humid
suspended load
39. 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.
intrusive
Milky Way
seismic sea wave (tsunami)
elevation
40. Banks of sand and silt along stream bank built by deposition in small increments during successive floods.
stratovolcano (composite volcano)
tell
constellation
levees
41. The layer of gases (air) & that surrounds a planet or moon.
oxbow lake
atmosphere
eclipse
hardpan
42. Heat extracted from the Earth for use as an power source.
chemical sedimentary rock
aa
geothermal energy
trench
43. Shapes & like mountains or hills that make up the Earth's surface.
magma
shoreline
landforms
ice sheet
44. A volcano in the shape of a flattened cone & broad and low & built by very fluid flows of basaltic lava.
shield volcano
zone of aeration
Modified Mercalli Scale
Pelean eruption
45. A delta formed at both sides of a tidal inlet.
Greenhouse Effect
tidal delta
stratum
Richter scale
46. 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.
Prime Meridian
ore
pipe
bar
47. Molten rock & containing dissolved gases and suspended solid particles. At the Earth's surface & magma is known as lava.
magma
decomposition (chemical weathering)
pothole
disintegration (mechanical weathering)
48. To wash or scrub away.
gravity
storm surge
groin
scour
49. The low spot between two successive waves.
wave trough
shore
fossil
cone of depression
50. The primary division of geologic time which are & from oldest to youngest & the Hadean & Archean & Proterozoic & and Phanerozoic eons.
region
pipe
fault
eon