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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. A device built to study distant objects by making them appear closer.
telescope
ice sheet
current speed
tide
2. Elongated rises on the ocean floor where basalt periodically erupts & forming new oceanic crust.
arch
mid-ocean ridges
neptune
convection cell
3. An earthquake that follows and has its epicenter near a larger earthquake.
legend
absolute time
nebula
aftershock
4. A coral reef separated from the mainland by a lagoon.
barrier reef
rain shadow deserts
ground moraine
sand dune
5. The rock beneath the soil.
scour
bedrock
rockfall
suspension
6. Fossils formed when water containing minerals leaks into a mold. The minerals harden to form a copy of the original structure or organism.
geologic time scale
black smoker
casts
Earth system
7. A sedimentary rock made up of chemical sediments. Example: rock salt.
primary productivity
chemical sedimentary rock
glaciation
tidal delta
8. Destruction of the ozone layer caused by the release of CFC's (chlorofluorocarbons) into the atmosphere which react chemically with ozone and break it down into different gases.
ozone depletion
sedimentary rock
sediment
transcontinental
9. Any molten material that is extrusive or volcanic & or the rock that forms from a molten extrusive. Molten rock that flows at the Earth's surface.
siltation
current speed
mineral
lava
10. A vent in the surface of the Earth & from which lava & ash & and gases erupt.
chemical sediment
focus
compass Rose
volcano
11. An individual grain or constituent of a rock.
clast
mineral deposit
asthenosphere
seamount
12. An era of geologic time lasting from 570 to 245 million years ago.
permafrost
precipitation
coast
Paleozoic
13. Pertaining to clastic material formed by volcanic explosion or aerial expulsion from a volcanic vent.
body wave
rapids
pyroclastic
mid-ocean ridges
14. A rock changed from its original form and/or composition by heat & pressure &shearing stress & or chemically active fluids & or some combination of them.
conserve
lava
metamorphic rock
Jupiter
15. The color of a mineral in its powdered form obtained from scraping a sample on a ceramic plate
outer core
crevasse
streak
universe
16. A term applied to large areas of basaltic lava presumably extruded from fissures.
lava
Galileo
lava flood (plateau basalt)
seismology
17. To preserve & or to avoid wasteful use.
sand dune
conserve
ore
fringing reef
18. Any natural concentration of a valuable material in the Earth's crust & whether that material can be extracted profitably or not.
mineral deposit
crater
Proxima Centauri
solstice
19. Bent rock strata.
secchi disk
fjord
pyroclastic
fold
20. A supercontinent that existed from the the end of the Permian to the Jurassic & 300 to 200 million years ago & assembled from large continents like Euramerica & Gondwana & and Siberia & as well as smaller landmasses like the Cathaysian and Cimmerian
cartographer
snow line
Precambrian
Pangea
21. A coral reef attached directly to the mainland.
fringing reef
humid
seismic gap
channelization
22. Where two plates collide to form mountains.
collisional Boundary
pothole
biogenic sedimentary rock
compression fossil
23. Mars is named after the Roman god of war. It is the fourth planet from the Sun.
continental rise
Mars
rockfall
crust
24. The top of a wave.
shore
seismograph
wave crest
Pangea
25. An imaginary circle around the earth that represents the halfway mark between the North and South Poles and establishes the boundary between the Northern and Southern Hemispheres.
atoll
equator
loess
comet
26. A process by which salts accumulate in soil.
open pit mining
gravity
continental slope
salinization
27. 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.
gemstone
continental slope
tidal inlet
natural resources
28. Any solid material that has settled out of a state of suspension in liquid.
gemstone
arch
aquatic
sediment
29. A broad & deep & generally straight furrow carved in bed rock by the abrasive action of debris embedded in a moving glacier. Larger and deeper than a glacial striation.
boundary
flood
sediment
groove
30. Occurs at the intersection of the water table with the ground surface.
asteroid
plate tectonics
spring
shoreline
31. A volcanic mountain on the seafloor. If flat-topped & it is a guyot.
salinity
seamount
delta
seafloor spreading
32. A continuous well-defined mass of material of sufficient ore content to make extraction economically feasible. compare mineral deposit.
ore deposit
salinity
absolute time
plate
33. A large area with common features that set it apart from other areas.
region
plutonic
collisional Boundary
petroleum
34. A large volume of dust-sized particles lifted high into the atmosphere.
fluctuate
Copernicus & Nicholas
shore
dust storm
35. A coral reef separated from the mainland by a lagoon.
barrier reef
chemical sediment
groundtruthing
oxbow
36. The zone below the zone of aeration in which all pore spaces are filled with water.
you-shaped valley
dust bowl
sand dune
zone of saturation
37. The galaxy where Earth is located.
zone of aeration
fracture
Milky Way
secchi disk
38. A rock that has crystallized from a molten state.
igneous rock
moon
continental divide
continental divide
39. The area bordering a stream over which water spreads when the stream tops its channel banks.
outcrop
water table
floodplain
eclipse
40. The two days of the year on which neither hemisphere is tilted toward or away from the sun.
atlas
rockfall
equinox
fluctuate
41. A fracture or zone of fractures along the boundaries of tectonic plates where movement has taken place.
fissure eruption
fault
telescope
tell
42. A portable time keeper with a mechanism for ensuring accuracy and adjusting itself & used for determining longitude at sea.
soil
marine Chronometer
chemical sediment
quarrying
43. The tectonic region in which two plates meet.
Greenhouse Effect
nonfoliated
smelting
boundary
44. A major drainage divide separating the drainage to one ocean from another.
continental divide
Gondwana
oceanic crust
seismograph
45. Deserts formed by blocking moisture-bearing winds with mountain barriers.
chalk
volcanic ash
Galileo
rain shadow deserts
46. The precipitation that runs directly off the surface to stream or body of standing water.
Gondwana
runoff
ozone
basin
47. The peak flow of water that tops the banks of a stream channel.
fossil fuel
continental rise
flood
nonfoliated
48. Any seismic wave that travels through the body of Earth & rather than along its surface.
oal
body wave
drought
star
49. A hot & gaseous & self-luminous celestial body & as the Sun.
stratum
granitic
star
pipe
50. A floating ice sheet extending across water from a land-based glacier.
ice shelf
ozone
Milky Way
breakwater