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Test your basic knowledge |
Earth Science
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Study First
Subject
:
science
Instructions:
Answer 50 questions in 15 minutes.
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.
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 post of dripstone growing up from a cave floor.
plate
stalagmite
wave length
pipe
2. 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.
lithification
gemstone
geyser
shoreline
3. A giant structure that contains hundreds of billions of stars.
galaxy
seismology
oceanic crust
eclipse
4. Temporary accumulations of sediments that collect between low and high water marks.
pollutant
beach
isthmus
ice shelf
5. The areas of & in & or constituting a city.
urban
acid rain
biogenic sediment
p- wave (primary wave & compressional wave)
6. A community of plants and/or animals and its physical environment & regarded as a unit.
clast
ecosystem
triangulation
water table
7. A geometrical form taken by a mineral & giving external expression to orderly internal atomic arrangement.
flash flood
silicate
mantle
crystal
8. A measure of the size of an earthquake in terms of the damage it causes.
geothermal energy
axis
telescope
intensity
9. The resistance of a mineral to scratching & as measured by the Mohs scale.
star
hardpan
ozone layer
hardness
10. An area subject to dust storms & especially south central United States .
clast
open pit mining
dust bowl
terrestrial
11. 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.
intertidal zone
rockslide (rock avalanche)
triangulation
pollutant
12. A narrow & steep-walled depression in the ocean floor & much deeper than the adjacent ocean and associated with a subduction zone.
epicenter
wave crest
fossil fuel
trench
13. A process of erosion in which wind carries off particles of dust and sand.
oxbow lake
deflation
urban
observator
14. Molten rock & containing dissolved gases and suspended solid particles. At the Earth's surface & magma is known as lava.
magma
nebula
Hale-Bopp
drift
15. A plate boundary in which plates on opposite sides of the boundary move past each other in opposite directions. The San Andreas fault of California is a good example.
streak
meteoroid
transform boundary
shore
16. The low spot between two successive waves.
magnitude
strip mining
crust
wave trough
17. A substance that produces negatively charged hydroxide ions ( OH- ) in water and reacts with acids to form salts.
magma
continental shelf
base
biogenic sedimentary rock
18. The processes of weathering by which physical actions such as frost wedging break down a rock into fragments & involving no chemical change.
disintegration (mechanical weathering)
luster
Proxima Centauri
convection
19. The method of locating an epicenter by determining how far it lies from three widely separated seismographs.
basaltic
triangulation
drift
delta
20. A layer of sedimentary rock; plural is strata.
legend
ablation
stratum
Modified Mercalli Scale
21. A guide to reading a map that typically contains distance scales & arrows indicating direction & and/or explanations of symbols used.
basin
legend
fringing reef
Cenozoic
22. A system that uses a constellation of 24 satellites & their ground stations & and individual GPS receivers to accurately locate points on Earth.
loess
fracture
black hole
Global Positioning System (GPS)
23. An ingredient in a food or other substance that nourishes or promotes growth.
nutrient
shield volcano
era
hydrologic cycle
24. Where one plate slides beneath another plate as the two are pushed together & a subduction zone.
convergent boundary
star
chlorophyll
seismic gap
25. The first scientist to make systematic use of the telescope in looking at the heavens.
landforms
asthenosphere
Galileo
pahoehoe
26. The pattern of water circulation from the ocean to the atmosphere to the land and back to the ocean.
hydrologic cycle
reef
spring
Pillow Lava
27. The persistence of wind-formed waves after wind ceases.
renewable resources
swells
seismic gap
lithification
28. The rock beneath the soil.
bedrock
weathering
transcontinental
aftershock
29. The upper horizons in a soil & through which gravitational moisture travels & removing soluble decomposition products.
zone of leaching
clast
decomposition (chemical weathering)
stormwater runoff
30. Containing moisture.
suspended load
compass Rose
epoch
humid
31. To change back and forth uncertainly.
zone of saturation
sod
silicate
fluctuate
32. The seaward edge of coast between low tide and effective wave action.
Phanerozoic
shore
Hale-Bopp
abundant metal
33. Refers to rock or sediments made up primarily of broken fragments of pre-existing rocks or minerals.
clastic
abyssal plain
rockslide (rock avalanche)
geologic time scale
34. The perpendicular or very steep descent of a stream.
cinder cone
water table
waterfall
mineral deposit
35. A commonly used measure of earthquake magnitude & based on a logarithmic scale. Each integral step on the scale represents a tenfold increase in the extent of ground shaking & as recorded on a seismograph.
till (unstratified drift)
water table
Richter scale
conserve
36. Glacial deposits laid down directly by glaciers or laid down in lakes & ocean & or streams as result of glacial activity.
observator
discharge
drift
moon
37. A flat & dry plain covered with short grass.
siltation
glacier
steppe
dust devil
38. Plutonic. Antonym of extrusive. Pertaining to igneous rocks or features formed by the emplacement of magma in pre-existing rocks.
solar system
intrusive
archaean
rock cycle
39. Forms along a coast as wave erosion cuts through a headland.
smelting
arch
meander
atoll
40. 1. Breach in a natural levee . 2. Deep crevice or open fracture in glacier ice.
crevasse
base
wave trough
humus
41. Deposition of fine mineral particles (silt) on the beds of streams or lakes.
axis
salinity
seismoscope
siltation
42. The dust-sized & sharp-edged & glassy particles resulting from an explosive volcanic eruption.
crystal
tide
volcanic ash
era
43. To preserve & or to avoid wasteful use.
frost wedging
rock
nautical mile
conserve
44. 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.
drought
ozone
deposition
epicenter
45. Of or relating to or containing basalt & a dark & dense & extrusive rock that has a silica content of 40% to 50% and makes up most of the ocean floor.
magnitude
resources
basaltic
hydrologic cycle
46. The chronological sequence of units of Earth time.
Uniformitarianism
geologic time scale
galaxy
groove
47. The science that deals with the study of the planet Earth--the materials of which it is made & the processes that act to change these materials from one form to another & and the history recorded by these materials; the forces acting to deform the ou
nutrient
geology
particulate air pollution
Hale-Bopp
48. A division of geologic time next smaller than the eon and larger than a period. Example: The Paleozoic era is in the Phanerozoic eon and includes & among others & the Devonian period.
Copernicus & Nicholas
era
precipitation
island arc
49. A sea level change due to change in load on Earth's crust.
abundant metal
fjord
zone of aeration
isostatic change in sea level
50. A device containing a free-swinging magnetic needle that is attracted to Earth's magnetic North Pole. Used to determine direction of travel.
aa
swash and back wash
compass
ore
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