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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 broad & deep & generally straight furrow carved in bed rock by the abrasive action of debris embedded in a moving glacier. Larger and deeper than a glacial striation.
particulate air pollution
region
soil
groove
2. Deposition of fine mineral particles (silt) on the beds of streams or lakes.
seafloor spreading
siltation
ore
barrier reef
3. An isolated & steep-sided & rocky mass or island just offshore from a rocky headland & usually on a shore platform.
Laurasia
global warming
seastack
Gondwana
4. (Latin- Terra & Greek- Gaia) Earth is named after the ancient Germanic Goddess of the soil. It is the third planet from the Sun.
Uniformitarianism
volcanic
Earth
Pangea
5. A community of plants and/or animals and its physical environment & regarded as a unit.
plate tectonics
ecosystem
zone of aeration
Mesozoic
6. 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.
snow line
continental slope
oxbow lake
continental shelf
7. Scratches & or small channels & gouged by glacier action. Occur on boulders & pebbles & and bedrock. Striations along bedrock indicate direction of ice movement.
striations
black smoker
streak
crater
8. A ball of ice and dust & whose orbit is a long & narrow ellipse.
flood
comet
secchi disk
continent
9. A person who makes maps.
ice sheet
Milky Way
pH
cartographer
10. An area in which a large number of windmills have been erected to generate electrical power.
nebula
rock
seastack
wind farm
11. A spring whose temperature is 6.5o C or more above mean annual air temperature.
moraine
thermal spring
compression fossil
Copernicus & Nicholas
12. A reverse fault on which the dip angle of the fault plane is 15 degrees or less.
deposition
ozone layer
thrust fault
volcano
13. A roughly circular reef with an occasional small & low & coral sand island surrounding a shallow lagoon.
drift
atoll
zone of saturation
wave crest
14. A curved belt of volcanic islands lying above a subduction zone.
clast
crevasse
nutrient
island arc
15. An area subject to dust storms & especially south central United States .
steppe
delta
rain shadow deserts
dust bowl
16. Living on land.
volcanic
sand dune
terrestrial
outcrop
17. The first scientist to make systematic use of the telescope in looking at the heavens.
geothermal energy
epoch
Galileo
scour
18. An ingredient in a food or other substance that nourishes or promotes growth.
erosion
nutrient
meander
ground water
19. Living in water.
observator
Sun
aquatic
drainage basin
20. A unit of length used in sea navigation based on the length of 1 minute of arc on a great circle. On Earth & 1 minute of latitude.
siltation
intertidal zone
nautical mile
epicenter
21. Enormous & thick sheets of rock that are part of the Earth's upper mantle that move and adjoin each other along zones of seismic activity. Many tectonic plates extend underneath both continents and sea floor.
salinity
geothermal energy
Proterozoic
tectonic Plates
22. The straightening and/or deepening of a river channel.
gravity
Proterozoic
channelization
arch
23. A stone or boulder & glacially transported from place of origin and left in an area of different bedrock composition.
Uniformitarianism
erratic
glacier
hardpan
24. An earthquake that follows and has its epicenter near a larger earthquake.
crystal
secchi disk
plate boundaries
aftershock
25. 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.
rain shadow deserts
core
strip mining
region
26. The upper horizons in a soil & through which gravitational moisture travels & removing soluble decomposition products.
black smoker
isostatic change in sea level
zone of leaching
open pit mining
27. The peak flow of water that tops the banks of a stream channel.
flood
surf
lahar
outer core
28. The point on the Earth's surface directly above the focus of an earthquake.
lava lake
epicenter
stalactite
till (unstratified drift)
29. 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.
urban
constellation
chalk
ozone depletion
30. Any solid material that has settled out of a state of suspension in liquid.
foreshock
hydrologic cycle
sediment
tide
31. Temporary accumulations of sediments that collect between low and high water marks.
drought
beach
hardness
Proxima Centauri
32. A method of sediment transport in which the turbulence of a fluid is able to keep particles supported in the fluid.
suspension
arch
sand dune
cave
33. Distance over which wave-forming winds blow.
fetch
renewable resources
estuary
ice sheet
34. A delta formed at both sides of a tidal inlet.
eon
period
tidal delta
chalk
35. 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
Modified Mercalli Scale
frost wedging
inner core
36. The effect of water and carbon dioxide absorbing outgoing infrared radiation & raising a system's temperature. The term is generally used with reference to the Earth's temperature & although it can also be applied to other systems & such as greenhous
scour
thrust fault
Greenhouse Effect
focus
37. A low & nearly flat accumulation of sediment deposited at the mouth of a river or stream & commonly triangular or fan-shaped.
convergent boundary
you-shaped valley
isostasy
delta
38. A hot & gaseous & self-luminous celestial body & as the Sun.
star
jetty
fossil
precipitation
39. Mercury is named after the Roman messenger of the gods. It is the closest to the Sun.
landforms
abyssal plain
Mercury
biogenic sediment
40. A lake in an abandoned meander.
peat
sandstorm
oxbow lake
resources
41. A process of erosion in which wind carries off particles of dust and sand.
scour
you-shaped valley
deflation
rock cycle
42. As applied to glacier ice & the process by which ice below the snow line is wasted by evaporation and melting.
ablation
isostatic change in sea level
global warming
elevation
43. A pillar formed as a stalactite and stalagmite meet.
Saturn
shore
aa
column
44. The elevation at which snow persists throughout the year.
cementation
swash and back wash
climate
snow line
45. The way in which a rock or mineral breaks in random patterns rather than cleaving
fossil fuel
prairie
Earth
fracture
46. A vent in the surface of the Earth & from which lava & ash & and gases erupt.
surf
volcano
sedimentary rock
water clarity
47. The remains of an extremely massive star pulled into a small volume by the force of gravity.
oceanic trench
absolute time
denudation
black hole
48. A detailed mathematical description of the cause-and-effect relationships between events that can be used to predict or explain other such events.
rock
scientific model
drought
renewable resources
49. The mass of an object divided by its volume.
compass
continental crust
density
base
50. 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
cartographer
drainage divide
El Nino