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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 mudflow composed chiefly of pyroclastic material on the flanks of a volcano.
eustatic change in sea level
weathering
primary productivity
lahar
2. The solid innermost part of the core with a diameter of a little over 1 &200 km.
seismic gap
reef
lithosphere
inner core
3. A small & dust-bearing whirlwind.
glacier
deposition
dust devil
compass
4. An instrument that detects & magnifies & and records vibrations of the Earth & especially earthquakes.
seismograph
scour
Pelean eruption
moraine
5. All of space and everything in it.
universe
barrier beaches
cementation
geologic column
6. Mercury is named after the Roman messenger of the gods. It is the closest to the Sun.
Mercury
stratovolcano (composite volcano)
chemical sedimentary rock
striations
7. Any seismic wave that travels through the body of Earth & rather than along its surface.
body wave
solar system
compass Rose
mineral
8. A lake of lava & usually basaltic & in a volcanic caldera.
lava lake
ozone depletion
prairie
stratum
9. The symbol used on a map to indicate directions & both cardinal and ordinal.
compass Rose
Uniformitarianism
wave length
bedrock
10. A group of islands; an expanse of water with scattered islands.
archipelago
axis
aa
absolute time
11. A large amount of gas and dust in space & spread out in an immense volume.
barrier beaches
orogeny
nebula
flash flood
12. A type of disintegration in which jointed rock is forced apart by the expansion of water as it freezes in fractures.
seismoscope
particulate air pollution
region
frost wedging
13. Mountains & characterized by extensive folding and thrust faulting & that form at convergent plate boundaries on continents.
floodplain
fold and thrust mountains
nautical mile
rockslide (rock avalanche)
14. A layer of sedimentary rock; plural is strata.
Jupiter
stratum
moraine
black hole
15. 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 .
basin
p- wave (primary wave & compressional wave)
weathering
wave length
16. A portable time keeper with a mechanism for ensuring accuracy and adjusting itself & used for determining longitude at sea.
s- wave (secondary wave & shear wave)
marine Chronometer
isthmus
streak
17. A chuck of rock or dust in space.
column
asthenosphere
thrust fault
meteoroid
18. Where two plates are moving in opposite directions as in a mid-ocean ridge.
plutonic
atoll
latitude
divergent boundary
19. A small ice sheet.
solar system
ground moraine
icecap
oxbow
20. The rock beneath the soil.
Gondwana
atlas
orogeny
bedrock
21. An icicle-shaped accumulation of dripstone hanging from cave roof.
longitude
stalactite
habitat
steppe
22. A group of stars that appear to make a pattern in the sky. The Big Dipper is a constellation.
constellation
beach
drift
scale
23. A cavity in a lava & formed by the entrapment of a gas bubble during solidification of the lava.
vesicle
dust bowl
zone of saturation
conserve
24. Any accumulation of material & by settling from water or air & chemical precipitation & evaporation from solution & etc.
plate tectonics
humus
deposition
Venus
25. An informal term to include all geologic time from the beginning of the Earth to the beginning of the Cambrian period 570 million years ago.
pollutant
caldera
Precambrian
Saturn
26. A Hawaiian term for a lava flow that has a rough & jagged surface.
waterfall
aa
natural resources
subtropical deserts
27. In a stream & the volume of water passing through a channel in a given time.
s- wave (secondary wave & shear wave)
discharge
igneous rock
elevation
28. Flat land covered with tall grass and wildflowers.
Precambrian
meander
solar system
prairie
29. The vertical distance between the crest and adjacent trough of a wave.
outer core
wave height
igneous rock
isthmus
30. A ridge of high water associated with a hurricane and which floods over the shore .
groove
storm surge
soil
atoll
31. The low spot between two successive waves.
rockslide (rock avalanche)
wave trough
mesosphere
oceanic crust
32. Glacial deposits laid down directly by glaciers or laid down in lakes & ocean & or streams as result of glacial activity.
epoch
snow line
drift
geothermal energy
33. Gases (primarily water and carbon dioxide & but also a variety of sulfur and nitrogen compounds and gaseous hydrocarbons) that trap the Sun's heat in the atmosphere.
neptune
oceanic crust
rockfall
greenhouse gases
34. A waterway from open ocean into a lagoon.
gravity
magnetic polarity
stratovolcano (composite volcano)
tidal inlet
35. A low & nearly flat accumulation of sediment deposited at the mouth of a river or stream & commonly triangular or fan-shaped.
delta
scale
shoreline
nuee ardente
36. Where one plate slides beneath another plate as the two are pushed together & a subduction zone.
convergent boundary
axis
Pelean eruption
biogenic sedimentary rock
37. The two days of the year on which the noon sun is directly overhead at either 23.5
solstice
zone of saturation
acid rain
salinization
38. 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.
hemisphere
chlorophyll
current speed
water table
39. The rise and fall of sea level caused by the gravitational pull of the Sun and Moon on the Earth.
tide
seismoscope
cave
fossil fuel
40. The most recent eon of geologic time beginning 570 million years ago and continuing to the present.
constellation
longitude
Phanerozoic
renewable resources
41. The process by which building stone & usually in blocks or sheets & is extracted from the Earth. radiation -- (Electromagnetic radiation) -- energy that travels through space in the form of waves without the intervention of matter & as in the transp
lava dome
habitat
quarrying
isthmus
42. A sharp bend & loop or turn in a stream's course. When abandoned & it is called a meander scar or an oxbow.
telescope
inner core
meander
archaean
43. A hole or basin cut into bedrock of a stream by the abrasive action of pebbles and sand swirled by turbulent stream flow.
fracture
Uniformitarianism
pothole
wave trough
44. As applied to glacier ice & the process by which ice below the snow line is wasted by evaporation and melting.
archipelago
salinization
ablation
extrusive
45. A giant structure that contains hundreds of billions of stars.
zone of saturation
galaxy
plate tectonics
fluctuate
46. A hydrocarbon (coal or petroleum) that can be extracted from the Earth for use as a fuel. Fossil fuels are non-renewable energy sources.
fossil fuel
Earth system
tell
seismic sea wave (tsunami)
47. A measure of the strength of an earthquake based on the amount of movement recorded by a seismograph . compare Richter scale.
magnitude
shore
sedimentary rock
Phanerozoic
48. A detailed mathematical description of the cause-and-effect relationships between events that can be used to predict or explain other such events.
lithification
fracture
scientific model
rockfall
49. A sea level change due to change in load on Earth's crust.
epoch
marine Chronometer
isostatic change in sea level
swash and back wash
50. A delta formed at both sides of a tidal inlet.
caldera
sandstorm
tidal delta
Saturn