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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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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 disease-causing organism or entity & such as a bacterium or virus.
satellite
epicenter
pathogen
sextant
2. The dust-sized & sharp-edged & glassy particles resulting from an explosive volcanic eruption.
volcanic ash
prairie
continental rise
seismology
3. All of space and everything in it.
universe
you-shaped valley
groin
fluctuate
4. A process of land degradation initiated by human activity & particularly in the zones along the margins of deserts.
desertification
rainforest
cone of depression
Laurasia
5. 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
Phanerozoic
groove
geology
subduction zone
6. A small ice sheet.
icecap
Hale-Bopp
seismology
hemisphere
7. The line separating land and water.
plate tectonics
shoreline
hardness
seismic gap
8. Jupiter is named after the Roman king of the gods. It is the fifth planet from the Sun.
aftershock
Jupiter
longitude
stalagmite
9. (Latin- Sol & Greek- Helios)the closest star to Earth. It is a giant ball of gas without any solid surface.
ozone
Sun
pipe
casts
10. A guide to reading a map that typically contains distance scales & arrows indicating direction & and/or explanations of symbols used.
ice sheet
legend
outcrop
atlas
11. 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.
island arc
convection cell
tidal inlet
icecap
12. An area where fresh water comes into contact with seawater & usually in a partly enclosed coastal body of water; a mix of fresh and salt water where the current of a stream meets the tides.
mineral deposit
zone of aeration
estuary
aquifer
13. Woodland that usually gets at least 100 inches of rain each year.
baseline study
humus
atlas
rainforest
14. A curved belt of volcanic islands lying above a subduction zone.
tell
period
plate
island arc
15. The effect of water and carbon dioxide absorbing outgoing infrared radiation & raising a system's temperature. The term is generally used with reference to the Earth's temperature & although it can also be applied to other systems & such as greenhous
streak
liquefaction
open pit mining
Greenhouse Effect
16. Any seismic wave that travels through the body of Earth & rather than along its surface.
particulate air pollution
absolute time
acid rain
body wave
17. The presence of layers in some rocks caused by parallel alignment of minerals.
Proterozoic
thermal spring
crevasse
foliated
18. A system that uses a constellation of 24 satellites & their ground stations & and individual GPS receivers to accurately locate points on Earth.
fetch
El Nino
oxbow
Global Positioning System (GPS)
19. The processes (mechanical and chemical) responsible for the wearing away & loosening & and dissolving of materials of the Earth's crust.
erosion
stratification
sand dune
chalk
20. A large ridge or mound-like structure within a body of water that is built by calcareous organisms such as corals & red algae & and bivalves.
reef
delta
continental divide
eon
21. Iron & aluminum & magnesium & manganese & and titanium. Ores of the abundant metals only need to be 3 - 5 times as metal-rich as average rock.
column
till (unstratified drift)
abundant metal
satellite
22. 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.
sedimentary rock
rock cycle
crust
ablation
23. The persistence of wind-formed waves after wind ceases.
bar
nonfoliated
lava
swells
24. An area in which a large number of windmills have been erected to generate electrical power.
lithosphere
eon
wind farm
baseline study
25. A small & dust-bearing whirlwind.
dust devil
ground moraine
Proterozoic
basaltic
26. Swamp that forms in the low lying flood plain behind a levee.
back swamp
delta
observator
s- wave (secondary wave & shear wave)
27. A type of volcanic eruption characterized by nuees ardentes and the development of lava domes.
sediment
s- wave (secondary wave & shear wave)
era
Pelean eruption
28. The speed at which water flows.
core
humid
flood
current speed
29. 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.
atoll
foreshock
Richter scale
fissure eruption
30. The resistance of a mineral to scratching & as measured by the Mohs scale.
black hole
nutrient
floodplain
hardness
31. 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.
hardness
cinder cone
fringing reef
era
32. The process by which an unconsolidated deposit of sediments is converted in to solid rock.
tide
storm surge
lithification
p- wave (primary wave & compressional wave)
33. A continuous well-defined mass of material of sufficient ore content to make extraction economically feasible. compare mineral deposit.
ore deposit
stratovolcano (composite volcano)
water clarity
drift
34. The amount of material a stream carries in suspension.
suspended load
thermal spring
Richter scale
magnetic polarity
35. A volcanic mountain on the seafloor. If flat-topped & it is a guyot.
tell
hemisphere
seamount
lahar
36. Large area of extremely flat ocean floor lying near a continent and generally over 4 km in depth.
abyssal plain
pothole
subduction zone
smelting
37. The seaward edge of coast between low tide and effective wave action.
volcanic
shore
chlorophyll
stratum
38. A region of high heat flow on the Earth's surface & thought to lie above a mantle plume .
continental shelf
specific gravity
hot spot
storm surge
39. Swamp that forms in the low lying flood plain behind a levee.
stalagmite
back swamp
atoll
glacier
40. Glacial drift composed of rock fragments that range from clay to boulder size and randomly arranged without bedding.
quarrying
wave crest
discharge
till (unstratified drift)
41. A curved belt of volcanic islands lying above a subduction zone.
fold
caldera
island arc
trench
42. A roughly circular reef with an occasional small & low & coral sand island surrounding a shallow lagoon.
geothermal energy
lava dome
erosion
atoll
43. The straightening and/or deepening of a river channel.
channelization
desertification
scour
focus
44. Elongated rises on the ocean floor where basalt periodically erupts & forming new oceanic crust.
steppe
stalagmite
mid-ocean ridges
Mercury
45. The method of locating an epicenter by determining how far it lies from three widely separated seismographs.
Modified Mercalli Scale
peat
triangulation
scale
46. 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.
fossil
loess
archaean
hot spot
47. Property possessed by certain rocks of breaking with relative ease along parallel planes or nearly parallel surfaces in their crystal structures where the bonds are weakest.
urban
climate
cleavage
continental slope
48. A general term including both oil and natural gas.
cone of depression
cleavage
aquifer
petroleum
49. 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
ground moraine
intrusive
aa
quarrying
50. The two days of the year on which the noon sun is directly overhead at either 23.5
solstice
Global Positioning System (GPS)
conserve
metamorphic rock
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