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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 generally dark & more or less stable part of the organic matter in a soil & so well decomposed that the original sources cannot be identified.
humus
peat
Mars
Precambrian
2. 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.
ozone
watershed
discharge
column
3. The straightening and/or deepening of a river channel.
lava dome
geothermal energy
longitude
channelization
4. The region of a shore that is covered at high tide and exposed at low tide.
weathering
channelization
intertidal zone
caldera
5. Occurs at the intersection of the water table with the ground surface.
solar system
oxbow lake
Pangea
spring
6. A tool for measuring the relative clarity of water.
mid-ocean ridges
asthenosphere
Paleozoic
secchi disk
7. 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.
estuary
seismic sea wave (tsunami)
fissure eruption
till (unstratified drift)
8. A worldwide change in sea level & such as caused by melting glaciers.
moon
mineral
eustatic change in sea level
zone of aeration
9. Water that flows across watersheds during and immediately after severe rainstorms. In populated areas & stormwater runoff is often water that cannot be handled by existing sewer systems. Stormwater runoff is the leading source of water pollution in t
crystal
stormwater runoff
igneous rock
cleavage
10. The height of a place above sea level.
elevation
resources
Uranus
isostatic change in sea level
11. A large area of flat or nearly flat land.
epoch
fault
resources
plain
12. 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.
tectonic Plates
compaction
meteoroid
observator
13. Any natural concentration of a valuable material in the Earth's crust & whether that material can be extracted profitably or not.
trench
Saturn
mineral deposit
Proterozoic
14. A collection of maps.
cementation
fossil fuel
atlas
hardpan
15. An artificial hill formed by the debris of successive human settlements.
tell
meteoroid
soil
Gondwana
16. The sudden fall of one or more large pieces of a rock from a cliff.
volcanic
hydrologic cycle
till (unstratified drift)
rockfall
17. 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.
magnitude
back swamp
karst
meteoroid
18. Containing moisture.
asthenosphere
reserves
geologic column
humid
19. The theory of Plate Tectonics states that the Earth's crust is fragmented into a dozen or more large and small pieces floating on a semi-molten mantle.
inertia
plate tectonics
rapids
ablation
20. A volcano in the shape of a flattened cone & broad and low & built by very fluid flows of basaltic lava.
era
shield volcano
era
tide
21. A collection of maps.
atlas
groove
silicate
dust storm
22. Materials that are found in nature that are useful or necessary for people to live.
natural resources
magnitude
acid rain
thrust fault
23. An era of geologic time lasting from 570 to 245 million years ago.
chemical sedimentary rock
cave
Paleozoic
clastic
24. A worldwide change in sea level & such as caused by melting glaciers.
back swamp
eustatic change in sea level
Pillow Lava
magnetic pole
25. 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.
vesicle
watershed
basalt
rain shadow deserts
26. Soil conditions prevailing in area whose mean annual temperature is 0o C.
fracture
stalactite
superposition
permafrost
27. A naturally occurring inorganic solid that has a well-defined chemical composition and in which atoms are arranged in an ordered fashion.
chalk
mineral
nuee ardente
pothole
28. A ball of ice and dust & whose orbit is a long & narrow ellipse.
urban
humus
permafrost
comet
29. A hot & gaseous & self-luminous celestial body & as the Sun.
Pelean eruption
star
subduction zone
sedimentary rock
30. A large amount of gas and dust in space & spread out in an immense volume.
chlorophyll
outer core
pothole
nebula
31. Till deposited from main body of glacier during ablation.
gemstone
universe
steppe
ground moraine
32. To preserve & or to avoid wasteful use.
conserve
latitude
bedrock
lithosphere
33. Woodland that usually gets at least 100 inches of rain each year.
soil
lava lake
equinox
rainforest
34. 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
base
lithification
nebula
35. The study of earthquakes & and of the structure of the Earth by both natural and artificially generated seismic waves.
seismology
column
groin
meander
36. A volcano in the shape of a flattened cone & broad and low & built by very fluid flows of basaltic lava.
wave height
column
shield volcano
seismoscope
37. The process of mountain building.
orogeny
Continntal Drift Theory
period
rockslide (rock avalanche)
38. A process of land degradation initiated by human activity & particularly in the zones along the margins of deserts.
Uniformitarianism
epicenter
desertification
tell
39. The point on the Earth's surface that is directly above the focus of an earthquake.
fossil fuel
ice sheet
epicenter
compass
40. A lake of lava & usually basaltic & in a volcanic caldera.
ground water
you-shaped valley
lava lake
specific gravity
41. The peak flow of water that tops the banks of a stream channel.
kettle
column
flood
constellation
42. A volcano that is composed of alternating layers of lava and pyroclastic material & along with abundant dikes and sills. Viscous & intermediate lava may flow from a central vent. Example: Mt. Fuji in Japan.
exotic river
stratovolcano (composite volcano)
continental slope
foliated
43. A blanket of wind-driven sand with an upper surface about a meter above ground level.
sandstorm
steppe
compression fossil
tell
44. 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.
hemisphere
conserve
fluctuate
epoch
45. No identifiable layers of minerals in a rock sample
bar
mineral deposit
nonfoliated
ozone layer
46. The outermost layer of the Earth & varying in thickness from about 10 kilometers (6 miles) below the oceans & to 65 kilometers (about 40 miles) below the continents; represents less than 1 percent of the Earth's volume.
crust
urban
sediment
erosion
47. Woodland that usually gets at least 100 inches of rain each year.
ore
rainforest
fissure eruption
disintegration (mechanical weathering)
48. The straightening and/or deepening of a river channel.
Pluto
swash and back wash
cleavage
channelization
49. The prediction that climate will warm as a result of the addition to the atmosphere of humanly produced greenhouse gases.
global warming
coast
lava dome
drainage divide
50. The closest star to Earth besides the sun. It is approximately 4 light years away.
Proxima Centauri
isostasy
discharge
sextant