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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. Large area of extremely flat ocean floor lying near a continent and generally over 4 km in depth.
Uniformitarianism
region
abyssal plain
seismic sea wave (tsunami)
2. The amount of dissolved salt in water.
transcontinental
rock
pahoehoe
salinity
3. Refers to rock or sediments made up primarily of broken fragments of pre-existing rocks or minerals.
clastic
deflation
outer core
fold
4. 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.
glacier
bar
pH
permafrost
5. A Hawaiian term for a lava flow that has a rough & jagged surface.
archipelago
floodplain
nonfoliated
aa
6. Deserts in zones of descending air between 25 degrees and 30 degrees north and south latitude.
aquifer
intertidal zone
subtropical deserts
breakwater
7. Ratio between weight of given volume of material and weight of equal volume of pure water.
s- wave (secondary wave & shear wave)
specific gravity
magnetic pole
chlorofluorocarbons (CFC's)
8. Extending across a continent.
transcontinental
equinox
aquifer
thrust fault
9. 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
kettle
zone of saturation
vesicle
10. An eruption of lava that takes place from a fracture & usually without producing a cone.
drought
Precambrian
fissure eruption
clastic
11. An instrument that merely indicates the occurrence of an earthquake.
seismoscope
meander
humus
geologic column
12. A broad & mound-like mass of glacier ice that usually spreads radially outward from a central zone.
focus
ice sheet
permafrost
asteroid
13. Mars is named after the Roman god of war. It is the fourth planet from the Sun.
open pit mining
marine Chronometer
Mars
longitude
14. The very small particles of dirt & soot & and other pollutants that are present in the air.
wave length
resources
Modified Mercalli Scale
particulate air pollution
15. A volcano in the shape of a flattened cone & broad and low & built by very fluid flows of basaltic lava.
shield volcano
continental rise
disintegration (mechanical weathering)
arid
16. A thick layer of soil.
continental slope
scientific model
sod
pollutant
17. The galaxy where Earth is located.
Greenhouse Effect
metamorphic rock
Milky Way
stalagmite
18. Plutonic. Antonym of extrusive. Pertaining to igneous rocks or features formed by the emplacement of magma in pre-existing rocks.
pollutant
intrusive
groin
silicate
19. A cyclical pattern of movement in a fluid body such as the ocean & the atmosphere & or the Earth's mantle & driven by density variations which in turn are the result of differences in temperature from one part of the fluid to another.
convection cell
spring
permafrost
shoreline
20. Any porous and permeable rock that yields oil or natural gas.
Saturn
Prime Meridian
stratification
reservoir rock
21. The chronological sequence of units of Earth time.
geologic time scale
tell
geology
igneous rock
22. The environment where a particular plant or animal is normally found.
archipelago
habitat
ozone layer
cartographer
23. 1. Breach in a natural levee . 2. Deep crevice or open fracture in glacier ice.
crevasse
granitic
outer core
hot spot
24. A sharp bend & loop or turn in a stream's course. When abandoned & it is called a meander scar or an oxbow.
meander
escarpment
fold
Mercury
25. A waste material that contaminates air & water & or soil.
pollutant
specific gravity
seafloor spreading
collisional Boundary
26. Elongated rises on the ocean floor where basalt periodically erupts & forming new oceanic crust.
elevation
volcano
mid-ocean ridges
neptune
27. Evidence in rock of the presence of past life & such as a dinosaur bone & an ancient clam shell & or the footprint of a long-extinct animal as well as life history artifacts.
igneous rock
fossil
Pluto
flood
28. A hole or basin cut into bedrock of a stream by the abrasive action of pebbles and sand swirled by turbulent stream flow.
shoreline
fissure eruption
strip mining
pothole
29. A measure of the strength of an earthquake based on the amount of movement recorded by a seismograph . compare Richter scale.
atoll
magnitude
kettle
levees
30. The speed at which water flows.
resources
current speed
rock cycle
nutrient
31. A building that contains one or more telescopes.
seismic gap
drought
magnetic pole
observator
32. The part of the crust that directly underlies the continents and continental shelves. Averages about 35 km in thickness & but may be over 70 km thick under largest mountain ranges.
reserves
s- wave (secondary wave & shear wave)
continental crust
drainage divide
33. Synonym of intrusive. Antonym of volcanic. Applies to igneous rocks formed beneath the surface of the Earth; typically with large crystals due to the slowness of cooling.
acid rain
abyssal plain
plutonic
caldera
34. Banks of sand and silt along stream bank built by deposition in small increments during successive floods.
channelization
levees
oceanic crust
storm surge
35. A coral reef separated from the mainland by a lagoon.
Laurasia
granitic
magnetic equator
barrier reef
36. Produced as a wave steepens and falls forward as the wave nears the shore.
surf
aquatic
sedimentary rock
salinization
37. The method of locating an epicenter by determining how far it lies from three widely separated seismographs.
Proterozoic
arid
triangulation
liquefaction
38. 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.
chlorophyll
hemisphere
galaxy
atoll
39. Igneous. Antonym of intrusive. Synonym of volcanic. Pertaining to igneous rocks or features formed from lava released on the Earth's surface.
extrusive
lava lake
erratic
chemical sediment
40. A vent on the seafloor from which hydrothermal fluids are emitted. Upon mixing with seawater and cooling & the fluids precipitate a cloud of fine-grained sulfide minerals that resembles a cloud of black smoke.
ozone layer
petroleum
aquatic
black smoker
41. A group of islands; an expanse of water with scattered islands.
archipelago
permafrost
trench
magnetic equator
42. Molten rock & containing dissolved gases and suspended solid particles. At the Earth's surface & magma is known as lava.
secchi disk
magma
transcontinental
compass
43. A thickened elevated region of Earth's crust that is mainly (but not entirely) above sea level.
fluctuate
dust bowl
Andromeda
continent
44. 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.
plate tectonics
continental slope
hardness
core
45. Temporary accumulations of sediments that collect between low and high water marks.
El Nino
pothole
stalagmite
beach
46. Deserts formed by blocking moisture-bearing winds with mountain barriers.
El Nino
rain shadow deserts
Pelean eruption
streak
47. Pluto is named after the Roman god of the Underworld. No longer considered a planet.
arid
scientific model
baseline study
Pluto
48. The region of a shore that is covered at high tide and exposed at low tide.
prairie
intertidal zone
foliated
plate boundaries
49. A curved belt of volcanic islands lying above a subduction zone.
viscosity
erratic
island arc
desertification
50. A mass of ice & formed by the recrystallization of snow & that flows forward & or has flowed at some time in the past.
crust
subtropical deserts
glacier
magnetic equator