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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. A depression in the ground formed by the melting of a block of glacier ice buried or partially buried by drift.
rock cycle
core
kettle
glaciation
2. A region of high heat flow on the Earth's surface & thought to lie above a mantle plume .
hot spot
global warming
drift
solar system
3. The current geologic era & which began 66.4 million years ago and continues to the present.
beach
Cenozoic
cinder cone
oxbow
4. A method of sediment transport in which the turbulence of a fluid is able to keep particles supported in the fluid.
Mesozoic
sand dune
suspension
atoll
5. A seismic body wave that involves particle motion & alternating compression and expansion & in the direction of wave propagation. It is the fastest seismic wave. compare S-wave .
p- wave (primary wave & compressional wave)
siltation
rain shadow deserts
jetty
6. The level of light that penetrates through water.
water clarity
equator
exotic river
chlorofluorocarbons (CFC's)
7. A soft compact calcite & CaCO3 & with varying amounts of silica & quartz & feldspar & or other mineral impurities & generally gray-white or yellow-white and derived chiefly from fossil seashells.
hydrologic cycle
chalk
cartographer
subtropical deserts
8. The persistence of wind-formed waves after wind ceases.
swells
compass
breakwater
oceanic crust
9. The green pigment in the cells of many plants that enables them to use sunlight to convert carbon dioxide and water into carbohydrates in the process called photosynthesis.
star
biogenic sedimentary rock
chlorophyll
gravity
10. An instrument used to measure the speed of wind.
strip mining
floodplain
focus
anemometer
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.
luster
Hadean
convection cell
meteoroid
12. Any object that revolves around another object in space.
discharge
aquatic
satellite
Prime Meridian
13. Deposition of fine mineral particles (silt) on the beds of streams or lakes.
sod
siltation
granitic
continental crust
14. A naturally occurring inorganic solid that has a well-defined chemical composition and in which atoms are arranged in an ordered fashion.
permafrost
meander
coast
mineral
15. Gases that can be dissociated by solar radiation & which releases chlorine & which in turn destroys ozone.
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16. A curved belt of volcanic islands lying above a subduction zone.
seismograph
magnetic polarity
zone of saturation
island arc
17. The persistence of wind-formed waves after wind ceases.
swells
compression fossil
plate boundaries
focus
18. A sedimentary rock composed of combustible matter derived from the partial decomposition of plant material.
oal
pyroclastic
galaxy
bar
19. An era of time during the Phanerozoic eon lasting from 245 million years ago to 66.4 million ago.
Mesozoic
subtropical deserts
renewable resources
transform boundary
20. Sediment formed by chemical precipitation from water. Example: halite precipitated as the result of the evaporation of sea water.
chemical sediment
zone of saturation
Prime Meridian
crevasse
21. The seaward edge of coast between low tide and effective wave action.
shore
legend
constellation
Earth
22. The arrangement of rock units in the proper chronological order from youngest to oldest.
geologic column
reserves
density
fetch
23. 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.
decomposition (chemical weathering)
plutonic
basaltic
legend
24. A supercontinent that existed from the the end of the Permian to the Jurassic & 300 to 200 million years ago & assembled from large continents like Euramerica & Gondwana & and Siberia & as well as smaller landmasses like the Cathaysian and Cimmerian
aquatic
Pangea
magnetic equator
oceanic trench
25. A chuck of rock or dust in space.
sedimentary rock
fault
seastack
meteoroid
26. A substance that produces positively charged hydrogen ions (H+) when dissolved in water.
convection cell
crust
acid
core
27. A protective wall built offshore and usually parallel to the shore.
neptune
fluctuate
breakwater
surf
28. A disease-causing organism or entity & such as a bacterium or virus.
foreshock
Modified Mercalli Scale
wave trough
pathogen
29. A coral reef separated from the mainland by a lagoon.
observator
isthmus
barrier reef
s- wave (secondary wave & shear wave)
30. A broad & mound-like mass of glacier ice that usually spreads radially outward from a central zone.
ice sheet
axis
ore
streak
31. Geologic time expressed in years before the present.
habitat
weathering
absolute time
chalk
32. 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.
conserve
plutonic
metamorphic rock
estuary
33. Similar to a groin but built to keep sand out of a harbor entrance.
period
plutonic
jetty
sand dune
34. Lacking in rainfall & very dry.
desertification
geologic column
arid
sinkhole
35. A minor tremor that precedes an earthquake. An increase in seismicity may signal that a major release of strain energy is about to occur.
Prime Meridian
core
foreshock
groundtruthing
36. In the geologic time scale a unit of time less than an era and greater than an epoch. Example: The Tertiary period was the earliest period in the Cenozoic era and included & among others & the Eocene epoch.
fossil
snow line
global warming
period
37. A narrow strip of land that has water on either side and connects two larger bodies of water.
ozone layer
base
intertidal zone
isthmus
38. Scratches & or small channels & gouged by glacier action. Occur on boulders & pebbles & and bedrock. Striations along bedrock indicate direction of ice movement.
base
Earth system
striations
magnetic polarity
39. The zone below the zone of aeration in which all pore spaces are filled with water.
clast
zone of saturation
compression fossil
bar
40. Heat transport by direct transfer of energy from one particle to another & without moving the particle to a new location.
Copernicus & Nicholas
elevation
longitude
conduction
41. The seaward edge of coast between low tide and effective wave action.
asteroid
shore
discharge
lava
42. The environment where a particular plant or animal is normally found.
extrusive
habitat
scientific model
comet
43. The transformation of a soil from a solid to a liquid state as the result of increased pore pressure.
spring
mineral deposit
liquefaction
Proxima Centauri
44. A natural open space underground & large enough for a person to enter. Most commonly occur by the dissolution of soluble rocks & generally limestone.
cave
hemisphere
absolute time
wave trough
45. A sea wave produced by any large-scale & short duration disturbance on the seafloor & commonly a shallow submarine earthquake but possibly also a submarine slide or volcanic eruption.
seismic sea wave (tsunami)
mantle
chlorophyll
wave crest
46. A type of disintegration in which jointed rock is forced apart by the expansion of water as it freezes in fractures.
escarpment
natural resources
transcontinental
frost wedging
47. Swamp that forms in the low lying flood plain behind a levee.
subtropical deserts
back swamp
chlorophyll
flood
48. A narrow strip of land along the margin of the ocean extending inland for a variable distance from low water mark.
cone of depression
seafloor spreading
thrust fault
coast
49. One of several rock-forming minerals that contain at least 95% silica (quartz). and usually one or more other common elements.
silicate
volcanic
smelting
gemstone
50. Saturn is named after the Roman god of the harvest. It is the sixth planet from the Sun.
Saturn
epicenter
erratic
intrusive