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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. The formation & advance and retreat of glaciers and the results of these activities.
lithification
siltation
glaciation
deposition
2. A broad & mound-like mass of glacier ice that usually spreads radially outward from a central zone.
era
ice sheet
pipe
erratic
3. A reverse fault on which the dip angle of the fault plane is 15 degrees or less.
epoch
thrust fault
groundtruthing
base
4. He area from which a stream and its tributaries receives its water.
drainage basin
tidal inlet
geologic time scale
sediment
5. The process by which an unconsolidated deposit of sediments is converted in to solid rock.
Earth system
sand dune
lithification
lithosphere
6. 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.
nonfoliated
estuary
Pangea
steppe
7. A giant structure that contains hundreds of billions of stars.
hardness
galaxy
Saturn
wave height
8. The very slow & generally continuous downslope movement of soil and debris under the influence of gravity.
creep
epicenter
moon
till (unstratified drift)
9. Any porous and permeable rock that yields oil or natural gas.
streak
reservoir rock
decomposition (chemical weathering)
comet
10. Soil conditions prevailing in area whose mean annual temperature is 0o C.
ozone depletion
permafrost
thermal spring
period
11. A small ice sheet.
rockfall
loess
icecap
intertidal zone
12. Where one plate slides beneath another plate as the two are pushed together & a subduction zone.
aftershock
convergent boundary
oceanic trench
stratification
13. The breaking away of ice from the front of the glacier when it ends in a lake or an ocean. Produces icebergs.
volcanic ash
calving
icecap
exotic river
14. Surficial mining & in which the valuable rock is exposed by removal of overlying rock or soil.
open pit mining
aquatic
wave length
fossil fuel
15. 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.
continental slope
longitude
star
ecosystem
16. Reduction of pore space between individual particles as the result of overlying sediments or of tectonic movements.
island arc
compaction
geyser
till (unstratified drift)
17. Living on land.
terrestrial
compass
floodplain
tidal delta
18. The first scientist to make systematic use of the telescope in looking at the heavens.
quarrying
Galileo
Modified Mercalli Scale
Greenhouse Effect
19. Geologic time expressed in years before the present.
fossil fuel
superposition
absolute time
subduction
20. A process of land degradation initiated by human activity & particularly in the zones along the margins of deserts.
desertification
neptune
rain shadow deserts
weathering
21. An earthquake that follows and has its epicenter near a larger earthquake.
jetty
thrust fault
plate
aftershock
22. A general term including both oil and natural gas.
snow line
cave
rockfall
petroleum
23. One of several rock-forming minerals that contain at least 95% silica (quartz). and usually one or more other common elements.
aquifer
hot spot
silicate
Galileo
24. An instrument used to measure the speed of wind.
anemometer
dust storm
atmosphere
meteoroid
25. The average weather conditions of an area over many years & as measured by temperature & wind speed & and precipitation.
continental rise
extrusive
Gondwana
climate
26. The straightening and/or deepening of a river channel.
inner core
column
channelization
soil
27. An earthquake that follows and has its epicenter near a larger earthquake.
weathering
aftershock
open pit mining
compass
28. Either the northern or southern half of the Earth as divided by the equator & or the eastern or western half as divided by a meridian.
renewable resources
hemisphere
Earth system
soil
29. Sediment formed by chemical precipitation from water. Example: halite precipitated as the result of the evaporation of sea water.
groundtruthing
chemical sediment
Mesozoic
calving
30. In a stream & the volume of water passing through a channel in a given time.
discharge
reef
chemical sediment
mineral
31. Glacial drift composed of rock fragments that range from clay to boulder size and randomly arranged without bedding.
till (unstratified drift)
intensity
stalagmite
Prime Meridian
32. A depression in the ground formed by the melting of a block of glacier ice buried or partially buried by drift.
equinox
kettle
erosion
body wave
33. Scratches & or small channels & gouged by glacier action. Occur on boulders & pebbles & and bedrock. Striations along bedrock indicate direction of ice movement.
sand dune
fold and thrust mountains
striations
continental slope
34. A natural depression in the surface of the land caused by the collapse of the roof of a cavern or subterranean passage & generally occurring in limestone regions.
sinkhole
striations
denudation
stalactite
35. A thick layer of soil.
sod
constellation
basin
meteoroid
36. The Earth's crust underlying the ocean basins which is formed at mid-oceanic ridges. It is typically 5 to 10 kilometers thick composed of basalt.
oceanic crust
anemometer
steppe
groove
37. 1. A steep-walled & usually conical depression at the summit or on the flanks of a volcano & resulting from the explosive ejection of material from a vent. 2. A bowl-shaped depression with a raised & overturned rim produced by the impact of a meteori
terrestrial
crater
nautical mile
era
38. A measure of the strength of an earthquake based on the amount of movement recorded by a seismograph . compare Richter scale.
dust storm
superposition
magnitude
smelting
39. No identifiable layers of minerals in a rock sample
base
desertification
secchi disk
nonfoliated
40. 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.
fold
chalk
chemical sediment
Uranus
41. A portable time keeper with a mechanism for ensuring accuracy and adjusting itself & used for determining longitude at sea.
dust storm
marine Chronometer
runoff
fringing reef
42. An individual grain or constituent of a rock.
gemstone
karst
snow line
clast
43. The point on the Earth's surface where a magnetic needle points vertically downward (north magnetic pole) or vertically upward (south magnetic pole).
cleavage
clast
drift
magnetic pole
44. Any of various minerals prized for beauty & durability & and rarity. A few noncrystalline materials of organic origin (e.g. & pearl & red coral & and amber) also are classified as gemstones.
basaltic
epicenter
gemstone
dust storm
45. The color of a mineral in its powdered form obtained from scraping a sample on a ceramic plate
column
wave length
streak
barrier beaches
46. A mound or ridge of sediment deposited by a glacier.
sandstorm
oceanic trench
outer core
moraine
47. Water that flows across watersheds during and immediately after severe rainstorms. In populated areas & stormwater runoff is often water that cannot be handled by existing sewer systems. Stormwater runoff is the leading source of water pollution in t
landforms
stormwater runoff
ozone
p- wave (primary wave & compressional wave)
48. A river that is able to maintain its flow through a desert because of water received from outside the desert.
exotic river
geology
boundary
subduction
49. An eon of geologic time extending from about 3.9 billion years to 2.5 billion years ago.
oceanic trench
outer core
lava dome
archaean
50. Mountains & characterized by extensive folding and thrust faulting & that form at convergent plate boundaries on continents.
latitude
hydrologic cycle
fold and thrust mountains
suspended load