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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. Plutonic. Antonym of extrusive. Pertaining to igneous rocks or features formed by the emplacement of magma in pre-existing rocks.
wave length
gravity
Milky Way
intrusive
2. An individual grain or constituent of a rock.
moraine
renewable resources
clast
luster
3. The top of a wave.
water clarity
wave crest
fluctuate
latitude
4. The closest star to Earth besides the sun. It is approximately 4 light years away.
boundary
Proxima Centauri
Venus
aquatic
5. Temporary accumulations of sediments that collect between low and high water marks.
glacier
solstice
beach
escarpment
6. A coral reef attached directly to the mainland.
fringing reef
floodplain
meteoroid
sod
7. A large area with common features that set it apart from other areas.
region
fold
scour
divergent boundary
8. Turbulent stream water flow down a steep gradient & but not as steep as in a waterfall.
resources
rapids
escarpment
moon
9. A vertical conduit through the Earth's crust below a volcano & through Which magma has passed.
meander
pipe
magnitude
sand dune
10. A ball of ice and dust & whose orbit is a long & narrow ellipse.
climate
outer core
comet
lava flood (plateau basalt)
11. 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.
waterfall
magnitude
nuee ardente
crust
12. A period of dryness & that when prolonged & causes damage to crops; a shortage of water.
Venus
crevasse
drought
global warming
13. An eon of geologic time extending from about 3.9 billion years to 2.5 billion years ago.
absolute time
archaean
core
outer core
14. Sediment formed by chemical precipitation from water. Example: halite precipitated as the result of the evaporation of sea water.
landforms
chemical sediment
nutrient
coast
15. The amount of dissolved salt in water.
meteoroid
salinity
erosion
kettle
16. A permeable region of rock or soil through which ground water can move.
stratification
abundant metal
base
aquifer
17. 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.
drainage divide
back swamp
nutrient
fossil
18. A reverse fault on which the dip angle of the fault plane is 15 degrees or less.
erratic
isthmus
groove
thrust fault
19. Any form of water & such as rain & sleet & or snow & that falls to Earth's surface.
black smoker
precipitation
moraine
eclipse
20. Pertaining to or composed of granite & a coarse-grained igneous rock dominated by light-colored minerals & consisting of about 50 percent orthoclase & 25 percent quartz & and balance of feldspars and ferromagnesian silicates. Granite is commonly foun
granitic
surf
climate
stalagmite
21. Elongated rises on the ocean floor where basalt periodically erupts & forming new oceanic crust.
mid-ocean ridges
petroleum
ore deposit
hemisphere
22. The theory of Plate Tectonics states that the Earth's crust is fragmented into a dozen or more large and small pieces floating on a semi-molten mantle.
plate tectonics
El Nino
extrusive
Pillow Lava
23. A method of sediment transport in which the turbulence of a fluid is able to keep particles supported in the fluid.
suspension
Saturn
pH
meander
24. The relationship between distances in the area being mapped and distances in the map itself.
scale
light-year
hydrologic cycle
striations
25. A floating ice sheet extending across water from a land-based glacier.
lithification
nuee ardente
kettle
ice shelf
26. A flat & dry plain covered with short grass.
superposition
chlorofluorocarbons (CFC's)
seismic gap
steppe
27. 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.
Proterozoic
latitude
acid
shore
28. Mars is named after the Roman god of war. It is the fourth planet from the Sun.
longitude
escarpment
pathogen
Mars
29. Fossils formed when water containing minerals leaks into a mold. The minerals harden to form a copy of the original structure or organism.
thermal spring
reserves
casts
seismic gap
30. The theory that states that the present-day continents are the fragmented pieces of preexisting larger landmasses called supercontinents.
pipe
vesicle
inertia
Continntal Drift Theory
31. A landscape that develops from the action of ground water in areas of easily soluble rocks. It is usually characterized by caves & underground drainage and sinkholes.
Global Positioning System (GPS)
karst
igneous rock
stratum
32. A mound or ridge of sediment deposited by a glacier.
stratovolcano (composite volcano)
continental divide
meander
moraine
33. A narrow strip of land along the margin of the ocean extending inland for a variable distance from low water mark.
comet
coast
pH
zone of saturation
34. Large area of extremely flat ocean floor lying near a continent and generally over 4 km in depth.
intensity
sod
abyssal plain
collisional Boundary
35. 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.
particulate air pollution
subtropical deserts
reef
ozone
36. The line separating land and water.
Venus
subtropical deserts
weathering
shoreline
37. No identifiable layers of minerals in a rock sample
nonfoliated
magnetic equator
pahoehoe
Hale-Bopp
38. A Hawaiian term for a basaltic lava flow with a smooth & or ropy surface.
Uniformitarianism
pahoehoe
reef
deposition
39. The portion of the continental margin that lies between the abyssal plain and the continental slope. The continental rise is underlain by crustal rocks of the ocean basin.
flash flood
glaciation
continental rise
prairie
40. Banks of sand and silt along stream bank built by deposition in small increments during successive floods.
levees
sinkhole
subduction
column
41. Applies to igneous rocks that cool on the surface of the Earth & including beneath water; typically with small crystals due to the rapidity of cooling. Synonym of extrusive. Antonym of plutonic.
volcanic
tide
hardness
ice shelf
42. 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.
Jupiter
era
baseline study
continental slope
43. The study of earthquakes & and of the structure of the Earth by both natural and artificially generated seismic waves.
subduction
cartographer
seismology
black smoker
44. An astronomical instrument for measuring angles & primarily altitude of celestial bodies to determine latitude.
cone of depression
sextant
nebula
archipelago
45. An area subject to dust storms & especially south central United States .
volcanic ash
stalagmite
erosion
dust bowl
46. The very small particles of dirt & soot & and other pollutants that are present in the air.
global warming
cleavage
satellite
particulate air pollution
47. A group of stars that appear to make a pattern in the sky. The Big Dipper is a constellation.
luster
constellation
particulate air pollution
rainforest
48. A river that is able to maintain its flow through a desert because of water received from outside the desert.
Pluto
till (unstratified drift)
exotic river
telescope
49. A process of land degradation initiated by human activity & particularly in the zones along the margins of deserts.
beach
continental divide
desertification
magnetic polarity
50. A planetary satellite.
coast
moon
Phanerozoic
biogenic sediment