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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. Iron & aluminum & magnesium & manganese & and titanium. Ores of the abundant metals only need to be 3 - 5 times as metal-rich as average rock.
tidal delta
continental rise
desertification
abundant metal
2. A division of geologic time next shorter than a period. Example: the Pleistocene epoch is in the Quaternary period.
epoch
observator
shield volcano
hardness
3. A measure of the size of an earthquake in terms of the damage it causes.
fold
intensity
El Nino
Global Positioning System (GPS)
4. The acidity in rain due to gases from internal combustion engines and coal- and oil-burning power plants.
acid rain
quarrying
Copernicus & Nicholas
stormwater runoff
5. The initial point within the Earth that ruptures in an earthquake & directly below the epicenter. The point within the Earth which is the center of an earthquake & at which strain energy is first released and converted to elastic wave energy.
thrust fault
strip mining
lava flood (plateau basalt)
focus
6. Ratio between weight of given volume of material and weight of equal volume of pure water.
solstice
specific gravity
shield volcano
rockfall
7. He area from which a stream and its tributaries receives its water.
light-year
abyssal plain
shoreline
drainage basin
8. A statement of relative age in layered rocks: In a series of sedimentary rocks that has not been overturned & the topmost layer is always the youngest and the bottommost layer is always the oldest.
anemometer
chemical sedimentary rock
abyssal plain
superposition
9. Deposition of fine mineral particles (silt) on the beds of streams or lakes.
siltation
Proterozoic
archaean
mesosphere
10. A vertical conduit through the Earth's crust below a volcano & through Which magma has passed.
terrestrial
primary productivity
eclipse
pipe
11. An area of land that delivers runoff water & sediment & and dissolved substances to surface water bodies & such as rivers or lakes. All watersheds consist of boundaries & a basin and collection areas.
watershed
current speed
deposition
smelting
12. A system involving continuous interaction of the solid Earth & the atmosphere & the oceans and living things.
abundant metal
Phanerozoic
Earth system
particulate air pollution
13. The innermost zone of Earth. It consists of two parts & an outer liquid section and an inner solid section & both chiefly of iron and nickel with about 10 percent lighter elements. It is surrounded by the mantle.
erosion
body wave
core
collisional Boundary
14. A guide to reading a map that typically contains distance scales & arrows indicating direction & and/or explanations of symbols used.
mineral
legend
nonfoliated
Jupiter
15. A large area with common features that set it apart from other areas.
star
deposition
volcanic ash
region
16. The tectonic region in which two plates meet.
boundary
water table
igneous rock
rockslide (rock avalanche)
17. The amount of material a stream carries in suspension.
continental shelf
suspended load
beach
ore
18. A post of dripstone growing up from a cave floor.
glacier
estuary
Earth system
stalagmite
19. Geologic time expressed in years before the present.
plain
absolute time
magnetic polarity
constellation
20. A narrow & elongate region in which one lithospheric plate descends relative to another.
geothermal energy
subduction zone
longitude
biogenic sediment
21. An instrument that detects & magnifies & and records vibrations of the Earth & especially earthquakes.
tectonic Plates
basaltic
seismograph
soil
22. A coral reef separated from the mainland by a lagoon.
trench
barrier reef
Uniformitarianism
till (unstratified drift)
23. In a stream & the volume of water passing through a channel in a given time.
solstice
deposition
discharge
caldera
24. The Sun with all the celestial bodies that revolve around it.
Jupiter
comet
mineral
solar system
25. Gases (primarily water and carbon dioxide & but also a variety of sulfur and nitrogen compounds and gaseous hydrocarbons) that trap the Sun's heat in the atmosphere.
ozone
p- wave (primary wave & compressional wave)
greenhouse gases
column
26. A pillar formed as a stalactite and stalagmite meet.
stratum
ecosystem
column
particulate air pollution
27. An area in which a large number of windmills have been erected to generate electrical power.
wind farm
conserve
soil
divergent boundary
28. A building that contains one or more telescopes.
observator
fluctuate
snow line
legend
29. A thick layer of soil.
nautical mile
sod
boundary
pyroclastic
30. The rise and fall of sea level caused by the gravitational pull of the Sun and Moon on the Earth.
transcontinental
shore
drainage divide
tide
31. The remains of an extremely massive star pulled into a small volume by the force of gravity.
stratification
superposition
black hole
water table
32. The symbol used on a map to indicate directions & both cardinal and ordinal.
till (unstratified drift)
compass Rose
strip mining
weathering
33. An eon of geologic time extending from about 3.9 billion years to 2.5 billion years ago.
Greenhouse Effect
bedrock
archaean
denudation
34. As applied to glacier ice & the process by which ice below the snow line is wasted by evaporation and melting.
constellation
ablation
atmosphere
lava flood (plateau basalt)
35. A general term including both oil and natural gas.
primary productivity
liquefaction
trench
petroleum
36. A steep-sided rounded extrusion of highly viscous lava squeezed out from a volcano and forming a dome-shaped or bulbous mass above and around the volcanic vent. The structure generally develops inside a volcanic crater.
rainforest
Precambrian
transcontinental
lava dome
37. A process of erosion in which wind carries off particles of dust and sand.
glacier
Mars
era
deflation
38. A type of disintegration in which jointed rock is forced apart by the expansion of water as it freezes in fractures.
ozone
pipe
biogenic sediment
frost wedging
39. The processes of weathering by which physical actions such as frost wedging break down a rock into fragments & involving no chemical change.
peat
wave height
disintegration (mechanical weathering)
exotic river
40. Any solid material that has settled out of a state of suspension in liquid.
icecap
sediment
foliated
sinkhole
41. The process by which ocean floors spread laterally from crests of main ocean ridges. As material moves laterally from the ridge & new material replaces it along the ridge crest by welling upward from the mantle.
seafloor spreading
galaxy
scale
decomposition (chemical weathering)
42. Soil conditions prevailing in area whose mean annual temperature is 0o C.
permafrost
weathering
subtropical deserts
hardness
43. A sedimentary rock composed primarily of biogenic sediments.
biogenic sedimentary rock
convection
magma
light-year
44. Mountains & characterized by extensive folding and thrust faulting & that form at convergent plate boundaries on continents.
plate
collisional Boundary
conserve
fold and thrust mountains
45. The principle that states the processes operating to change the Earth in the present also operated in the past.
intertidal zone
renewable resources
Uniformitarianism
oxbow
46. A device containing a free-swinging magnetic needle that is attracted to Earth's magnetic North Pole. Used to determine direction of travel.
chemical sedimentary rock
El Nino
compass
lahar
47. A thick layer of soil.
elevation
hemisphere
sod
open pit mining
48. Imaginary lines on a map or globe that measure distance in degrees north or south of the equator. Latitude lines extend horizontally & from east to west on a globe.
ground moraine
extrusive
crater
latitude
49. A supercontinent that existed from the Jurassic to Early Tertiary after splitting from Pangea; composed of Laurentia & Baltica & Avalonia & (modern North America & Scandinavia & Greenland & Western and Central Europe); eventually fragmented into Eur
Laurasia
fetch
fossil
seismology
50. The direction & north (normal) or south (reversed) & that a magnetic compass needle points.
fluctuate
magnetic polarity
permafrost
transform boundary