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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 acidity in rain due to gases from internal combustion engines and coal- and oil-burning power plants.
rainforest
acid rain
plutonic
storm surge
2. 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.
tidal delta
crust
plate tectonics
atoll
3. A tool for measuring the relative clarity of water.
continental rise
primary productivity
ozone layer
secchi disk
4. The level of light that penetrates through water.
elevation
Galileo
convergent boundary
water clarity
5. 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.
isostatic change in sea level
crevasse
Precambrian
salinity
6. The layer of gases (air) & that surrounds a planet or moon.
cave
atmosphere
streak
era
7. 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.
particulate air pollution
runoff
oxbow
plate tectonics
8. (Latin- Terra & Greek- Gaia) Earth is named after the ancient Germanic Goddess of the soil. It is the third planet from the Sun.
Earth
frost wedging
mineral deposit
basalt
9. 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.
denudation
axis
nautical mile
creep
10. 1. A low & bowl-shaped area of land surrounded by higher lands. 2. any large depression in which sediments are deposited.
black smoker
basin
fold and thrust mountains
drift
11. Any place where bedrock is visible on the surface of the Earth.
outcrop
fault
region
habitat
12. A downward distortion or dimple in the water table that forms as a well pumps water faster than it can flow through the aquifer.
cone of depression
telescope
basaltic
continental divide
13. A famous scientist who proposed that the Sun was the center of the solar system not the Earth. (Heliocentrism)
breakwater
intensity
Copernicus & Nicholas
groove
14. 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
focus
density
barrier reef
15. A cavity in a lava & formed by the entrapment of a gas bubble during solidification of the lava.
vesicle
particulate air pollution
cone of depression
storm surge
16. A device containing a free-swinging magnetic needle that is attracted to Earth's magnetic North Pole. Used to determine direction of travel.
magma
scientific model
continental crust
compass
17. 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.
swells
ozone
Pluto
groove
18. Temporary accumulations of sediments that collect between low and high water marks.
nautical mile
ice shelf
beach
permafrost
19. A time of unusual winds and currents in the Pacific Ocean . El Nino generally causes warmer-than-normal sea surface temperatures and increased rainfall and storm activity.
orogeny
El Nino
plate tectonics
humus
20. The point on the Earth's surface directly above the focus of an earthquake.
erosion
Global Positioning System (GPS)
crevasse
epicenter
21. Glacial deposits laid down directly by glaciers or laid down in lakes & ocean & or streams as result of glacial activity.
s- wave (secondary wave & shear wave)
drift
volcanic
back swamp
22. A delta formed at both sides of a tidal inlet.
barrier reef
you-shaped valley
tidal delta
intertidal zone
23. Ratio between weight of given volume of material and weight of equal volume of pure water.
biogenic sedimentary rock
crystal
specific gravity
clastic
24. A hot & gaseous & self-luminous celestial body & as the Sun.
universe
star
geologic time scale
groundtruthing
25. A guide to reading a map that typically contains distance scales & arrows indicating direction & and/or explanations of symbols used.
fossil
volcano
legend
column
26. A zone in the Earth between 400 and 670 km below the surface separating the upper mantle from the lower mantle.
precipitation
continental slope
mesosphere
shore
27. The transformation of a soil from a solid to a liquid state as the result of increased pore pressure.
coast
Mars
quarrying
liquefaction
28. The method of locating an epicenter by determining how far it lies from three widely separated seismographs.
triangulation
Modified Mercalli Scale
exotic river
hot spot
29. A waterway from open ocean into a lagoon.
meteoroid
desertification
solar system
tidal inlet
30. A process of erosion in which wind carries off particles of dust and sand.
ice sheet
deflation
continental crust
orogeny
31. The method of locating an epicenter by determining how far it lies from three widely separated seismographs.
sedimentary rock
equator
triangulation
aquifer
32. The formation & advance and retreat of glaciers and the results of these activities.
glaciation
Jupiter
sinkhole
waterfall
33. 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
seamount
lahar
collisional Boundary
34. The most recent eon of geologic time beginning 570 million years ago and continuing to the present.
Phanerozoic
peat
crater
soil
35. Any object that revolves around another object in space.
satellite
salinity
humus
Saturn
36. Flat land covered with tall grass and wildflowers.
fault
continental shelf
prairie
renewable resources
37. Uranus is named after the Roman god of the sky. It is the seventh planet from the Sun.
plutonic
wave length
Uranus
particulate air pollution
38. Sediment formed by chemical precipitation from water. Example: halite precipitated as the result of the evaporation of sea water.
moon
chemical sediment
lithosphere
crystal
39. The process of mountain building.
orogeny
channelization
striations
quarrying
40. A sedimentary rock composed primarily of biogenic sediments.
eustatic change in sea level
biogenic sedimentary rock
fracture
chlorofluorocarbons (CFC's)
41. The explosion of a dying giant or supergiant star.
compass
nova -- (Supernova)
fault
strip mining
42. The straightening and/or deepening of a river channel.
snow line
channelization
oxbow lake
exotic river
43. Glacial deposits laid down directly by glaciers or laid down in lakes & ocean & or streams as result of glacial activity.
drift
rockslide (rock avalanche)
siltation
anemometer
44. The physical & chemical & and biological processes by which rock at or near the Earth's surface is broken down into smaller pieces.
weathering
Copernicus & Nicholas
intertidal zone
galaxy
45. A depression in the ground formed by the melting of a block of glacier ice buried or partially buried by drift.
kettle
viscosity
abyssal plain
Precambrian
46. Living parts of the environment that can renew or replace themselves.
reservoir rock
ozone layer
Mercury
renewable resources
47. 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
Greenhouse Effect
longitude
lithification
atlas
48. The accumulation of material in layers or beds.
sediment
stratification
casts
clastic
49. 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.
icecap
constellation
Precambrian
rapids
50. Any seismic wave that travels through the body of Earth & rather than along its surface.
intertidal zone
body wave
continental crust
solar system