SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Molten rock & containing dissolved gases and suspended solid particles. At the Earth's surface & magma is known as lava.
Mesozoic
soil
dust devil
magma
2. A seismic body wave that involves particle motion from side to side & perpendicular to the direction of wave propagation. S-waves are slower than P-waves and cannot travel through a liquid.
cone of depression
s- wave (secondary wave & shear wave)
fold and thrust mountains
waterfall
3. An atmospheric shield providing the Earth with protection from ultra-violet rays which can cause sun burn & skin cancer and the destruction of the delicate plant life which supports the planet's food chain.
ozone layer
Continntal Drift Theory
exotic river
plutonic
4. The layer of gases (air) & that surrounds a planet or moon.
sedimentary rock
geologic column
atmosphere
ice shelf
5. The region of a shore that is covered at high tide and exposed at low tide.
transcontinental
era
intertidal zone
fold
6. The process by which building stone & usually in blocks or sheets & is extracted from the Earth. radiation -- (Electromagnetic radiation) -- energy that travels through space in the form of waves without the intervention of matter & as in the transp
discharge
eustatic change in sea level
quarrying
hemisphere
7. A process of erosion in which wind carries off particles of dust and sand.
deflation
tidal inlet
atoll
Richter scale
8. Any place where bedrock is visible on the surface of the Earth.
Uranus
outcrop
Richter scale
chemical sedimentary rock
9. Swamp that forms in the low lying flood plain behind a levee.
back swamp
oxbow lake
streak
urban
10. Deserts formed by blocking moisture-bearing winds with mountain barriers.
rain shadow deserts
magnetic pole
compaction
rock cycle
11. Distance over which wave-forming winds blow.
outcrop
ore deposit
continental slope
fetch
12. A spring whose temperature is 6.5o C or more above mean annual air temperature.
thermal spring
stormwater runoff
transcontinental
crater
13. An accumulation of wind driven sand into a distinctive shape.
magnetic equator
telescope
Earth system
sand dune
14. The study of earthquakes & and of the structure of the Earth by both natural and artificially generated seismic waves.
pathogen
axis
deposition
seismology
15. The point on the Earth's surface directly above the focus of an earthquake.
subduction
landforms
plate tectonics
epicenter
16. A hot & gaseous & self-luminous celestial body & as the Sun.
Proterozoic
star
shore
nuee ardente
17. A time of unusual winds and currents in the Pacific Ocean . El Nino generally causes warmer-than-normal sea surface temperatures and increased rainfall and storm activity.
marine Chronometer
El Nino
intrusive
Mars
18. Gases that can be dissociated by solar radiation & which releases chlorine & which in turn destroys ozone.
19. The physical & chemical & and biological processes by which rock at or near the Earth's surface is broken down into smaller pieces.
Phanerozoic
compass Rose
weathering
disintegration (mechanical weathering)
20. The closest star to Earth besides the sun. It is approximately 4 light years away.
subtropical deserts
seismic sea wave (tsunami)
Proxima Centauri
El Nino
21. 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.
fringing reef
hemisphere
aa
resources
22. 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.
basalt
Pluto
rockfall
nonfoliated
23. The areas of & in & or constituting a city.
urban
black smoker
cementation
ecosystem
24. Flat land covered with tall grass and wildflowers.
magnetic equator
prairie
ground moraine
steppe
25. The tendency of a moving object to continue in a straight line or a stationary object to remain in place.
kettle
geyser
neptune
inertia
26. A wall built out from the shore & usually at perpendicular to it to trap sand carried by longshore currents .
divergent boundary
Uranus
groin
silicate
27. A chuck of rock or dust in space.
siltation
meteoroid
continental shelf
barrier reef
28. A flat & dry plain covered with short grass.
natural resources
magnetic pole
steppe
silicate
29. A hot & gaseous & self-luminous celestial body & as the Sun.
star
collisional Boundary
sedimentary rock
dust storm
30. A valley caused by extension of the Earth's crust. Its floor forms as a portion of the crust moves downward along normal faults.
Milky Way
peat
basin
rift (graben)
31. The processes (mechanical and chemical) responsible for the wearing away & loosening & and dissolving of materials of the Earth's crust.
ice shelf
atmosphere
hydrologic cycle
erosion
32. A method of sediment transport in which the turbulence of a fluid is able to keep particles supported in the fluid.
moraine
casts
suspension
climate
33. An astronomical instrument for measuring angles & primarily altitude of celestial bodies to determine latitude.
back swamp
aquatic
streak
sextant
34. Formed when an organism is flattened (compressed) and a thin film of organic material from its body is left in the rock.
magma
seamount
compression fossil
dust storm
35. A molecule composed of three atoms of oxygen and mostly found in the stratosphere. Though beneficial in the upper atmosphere & at ground level & ozone is called photochemical smog & and is a respiratory irritant and considered a pollutant.
shield volcano
ozone
Uniformitarianism
chlorofluorocarbons (CFC's)
36. An informal term to include all geologic time from the beginning of the Earth to the beginning of the Cambrian period 570 million years ago.
Precambrian
geothermal energy
eclipse
pH
37. A slide involving a downward and usually sudden movement of newly detached segments of bedrock sliding or slipping over an inclined surface of weakness such as a bedding plane & fault plane & or joint surface.
rockslide (rock avalanche)
casts
telescope
wave trough
38. An individual grain or constituent of a rock.
biogenic sedimentary rock
wave trough
beach
clast
39. A glaciated valley now flooded by the sea.
bar
striations
fjord
ground moraine
40. A delta formed at both sides of a tidal inlet.
tidal delta
mid-ocean ridges
continental rise
quarrying
41. The point on the Earth's surface that is directly above the focus of an earthquake.
pathogen
hemisphere
precipitation
epicenter
42. 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.
drainage divide
seismology
bar
Precambrian
43. A substance that produces positively charged hydrogen ions (H+) when dissolved in water.
resources
magnetic pole
acid
black smoker
44. A large area of flat or nearly flat land.
conduction
eon
barrier reef
plain
45. An aggregate of one or more minerals in varying proportions.
compass
rock
shield volcano
epoch
46. A device built to study distant objects by making them appear closer.
sandstorm
telescope
axis
seismograph
47. A period of dryness & that when prolonged & causes damage to crops; a shortage of water.
extrusive
greenhouse gases
drought
magnetic pole
48. A measure of the strength of an earthquake based on the amount of movement recorded by a seismograph . compare Richter scale.
crust
magnitude
denudation
plain
49. The top of a wave.
wave crest
pipe
crystal
p- wave (primary wave & compressional wave)
50. An earthquake that follows and has its epicenter near a larger earthquake.
dust devil
rapids
aftershock
prairie