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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 general term for a relatively hard layer of soil at or just below the ground surface & cemented by silica & iron oxide & calcium carbonate & or organic matter.
silicate
crater
terrestrial
hardpan
2. Rock formed from the accumulation of sediment & Which may consist of fragments and mineral grains of varying sizes from pre-existing rocks & remains or products of animals and plants & the products of chemical action & or mixtures of these.
Phanerozoic
climate
sedimentary rock
silicate
3. In a stream & the volume of water passing through a channel in a given time.
discharge
Jupiter
Gondwana
groove
4. A chuck of rock or dust in space.
meteoroid
legend
Hale-Bopp
deposition
5. A ball of ice and dust & whose orbit is a long & narrow ellipse.
sedimentary rock
fringing reef
flash flood
comet
6. The point on the Earth's surface directly above the focus of an earthquake.
Sun
moraine
chlorophyll
epicenter
7. The remains of an extremely massive star pulled into a small volume by the force of gravity.
caldera
fold and thrust mountains
period
black hole
8. The symbol used on a map to indicate directions & both cardinal and ordinal.
granitic
geyser
compass Rose
tidal delta
9. A thick layer of soil.
longitude
moraine
foreshock
sod
10. A steep or vertical cliff & either above or below sea level.
escarpment
peat
desertification
Jupiter
11. 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.
scientific model
basaltic
escarpment
fissure eruption
12. A major drainage divide separating the drainage to one ocean from another.
fissure eruption
Paleozoic
continental divide
chemical sediment
13. The explosion of a dying giant or supergiant star.
sandstorm
natural resources
nova -- (Supernova)
Cenozoic
14. Deep steep-sided depression in the ocean floor caused by the subduction of oceanic crust beneath either other oceanic crust or continental crust.
lava
suspended load
oceanic trench
denudation
15. Produced as a wave steepens and falls forward as the wave nears the shore.
Copernicus & Nicholas
surf
Mars
moraine
16. An earthquake that follows and has its epicenter near a larger earthquake.
greenhouse gases
aftershock
cartographer
biogenic sediment
17. Saturn is named after the Roman god of the harvest. It is the sixth planet from the Sun.
compression fossil
sediment
Saturn
chlorophyll
18. Sediment formed by chemical precipitation from water. Example: halite precipitated as the result of the evaporation of sea water.
Prime Meridian
chemical sediment
suspended load
petroleum
19. The low spot between two successive waves.
Pillow Lava
rockslide (rock avalanche)
viscosity
wave trough
20. The elevation at which snow persists throughout the year.
sediment
scientific model
equinox
snow line
21. Highly mafic igneous volcanic rock & typically fine-grained and dark in color; rough volcanic equivalent of gabbro. Basalt is the most abundant volcanic rock in the Earth's crust.
basalt
siltation
asthenosphere
seismology
22. Any place where bedrock is visible on the surface of the Earth.
petroleum
foliated
outcrop
Greenhouse Effect
23. Scratches & or small channels & gouged by glacier action. Occur on boulders & pebbles & and bedrock. Striations along bedrock indicate direction of ice movement.
convection
chemical sedimentary rock
striations
triangulation
24. The method of locating an epicenter by determining how far it lies from three widely separated seismographs.
estuary
cementation
shore
triangulation
25. No identifiable layers of minerals in a rock sample
hemisphere
wave length
atlas
nonfoliated
26. A lake in an abandoned meander.
volcanic ash
era
oxbow lake
Jupiter
27. To preserve & or to avoid wasteful use.
groundtruthing
universe
primary productivity
conserve
28. The outermost part of the core. It is liquid & about 1 &700 km thick & and separated from the inner & solid core by a transition zone about 565 km thick.
outer core
current speed
geyser
inertia
29. Deposition of fine mineral particles (silt) on the beds of streams or lakes.
basin
glacier
siltation
creep
30. A measure of the strength of an earthquake based on the amount of movement recorded by a seismograph . compare Richter scale.
atlas
divergent boundary
magnitude
sandstorm
31. 1. A mass of sand & gravel & or alluvium deposited on the bed of a stream & sea & or lake & or at the mouth of a stream 2. A unit of pressure & approximately equal to atmospheric pressure at sea level.
bar
groin
geyser
abyssal plain
32. 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.
fossil
arch
convection cell
eclipse
33. Saturn is named after the Roman god of the harvest. It is the sixth planet from the Sun.
humus
base
Saturn
Uranus
34. 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.
crust
ore
humus
ozone depletion
35. The persistence of wind-formed waves after wind ceases.
mid-ocean ridges
swells
igneous rock
ground water
36. Till deposited from main body of glacier during ablation.
escarpment
aquifer
ground moraine
disintegration (mechanical weathering)
37. An eon of geologic time extending from about 3.9 billion years to 2.5 billion years ago.
archaean
zone of saturation
granitic
storm surge
38. The distance between two successive wave crests or troughs.
wave length
plain
soil
bedrock
39. The Sun with all the celestial bodies that revolve around it.
solar system
star
resources
Hadean
40. 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.
Pelean eruption
lava dome
continental rise
kettle
41. A natural open space underground & large enough for a person to enter. Most commonly occur by the dissolution of soluble rocks & generally limestone.
cave
siltation
sod
Prime Meridian
42. Flat land covered with tall grass and wildflowers.
shore
sextant
greenhouse gases
prairie
43. Sediments produced directly by the life processes of plants or animals.
pyroclastic
biogenic sediment
sand dune
erosion
44. The processes of weathering by which physical actions such as frost wedging break down a rock into fragments & involving no chemical change.
Gondwana
rainforest
pahoehoe
disintegration (mechanical weathering)
45. An isolated & steep-sided & rocky mass or island just offshore from a rocky headland & usually on a shore platform.
estuary
drainage basin
seastack
intensity
46. 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.
rockslide (rock avalanche)
Sun
lava
Earth system
47. A sea level change due to change in load on Earth's crust.
isostatic change in sea level
chlorophyll
Andromeda
hemisphere
48. The rigid outer shell of the Earth. It includes the crust and uppermost mantle and is on the order of 100 km in thickness.
lithosphere
discharge
Proterozoic
chemical sedimentary rock
49. A Hawaiian term for a lava flow that has a rough & jagged surface.
ore deposit
escarpment
aa
reef
50. The distance between two successive wave crests or troughs.
asteroid
wave length
Hadean
cone of depression