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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. Mars is named after the Roman god of war. It is the fourth planet from the Sun.
continental slope
casts
bedrock
Mars
2. Any place where bedrock is visible on the surface of the Earth.
outcrop
ecosystem
urban
delta
3. 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.
hardpan
stratification
rain shadow deserts
humid
4. The very slow & generally continuous downslope movement of soil and debris under the influence of gravity.
intensity
floodplain
rockfall
creep
5. A process of erosion in which wind carries off particles of dust and sand.
transform boundary
deflation
rift (graben)
base
6. A sedimentary rock composed primarily of biogenic sediments.
fault
vesicle
biogenic sedimentary rock
galaxy
7. A post of dripstone growing up from a cave floor.
stalagmite
sandstorm
hardpan
tide
8. A dense & hot (sometimes incandescent) cloud of volcanic ash and gas produced in a Pelean eruption.
nuee ardente
scientific model
intertidal zone
dust devil
9. A detailed mathematical description of the cause-and-effect relationships between events that can be used to predict or explain other such events.
Proterozoic
scientific model
marine Chronometer
nova -- (Supernova)
10. 1. Breach in a natural levee . 2. Deep crevice or open fracture in glacier ice.
sand dune
equator
natural resources
crevasse
11. Lacking in rainfall & very dry.
ecosystem
Earth
arid
continental crust
12. One of several rock-forming minerals that contain at least 95% silica (quartz). and usually one or more other common elements.
sediment
peat
sextant
silicate
13. Heat transport by moving particles & and the thermal energy that they carry & to a new location.
subtropical deserts
atoll
convection
groundtruthing
14. A device containing a free-swinging magnetic needle that is attracted to Earth's magnetic North Pole. Used to determine direction of travel.
ice sheet
light-year
compass
mineral deposit
15. An earthquake that follows and has its epicenter near a larger earthquake.
axis
aftershock
nautical mile
hot spot
16. The region of a shore that is covered at high tide and exposed at low tide.
intertidal zone
Richter scale
meander
density
17. A community of plants and/or animals and its physical environment & regarded as a unit.
seismograph
base
ecosystem
smelting
18. One of several rock-forming minerals that contain at least 95% silica (quartz). and usually one or more other common elements.
tectonic Plates
sandstorm
silicate
Global Positioning System (GPS)
19. A large amount of gas and dust in space & spread out in an immense volume.
greenhouse gases
eclipse
nebula
nova -- (Supernova)
20. A stone or boulder & glacially transported from place of origin and left in an area of different bedrock composition.
cave
erratic
rockfall
arch
21. The closest galaxy to the Milky way. It is approximately 2 million light-years away.
Andromeda
hot spot
ozone layer
pathogen
22. A type of disintegration in which jointed rock is forced apart by the expansion of water as it freezes in fractures.
frost wedging
ground water
caldera
eustatic change in sea level
23. An instrument that detects & magnifies & and records vibrations of the Earth & especially earthquakes.
basin
Mars
seismograph
subduction zone
24. Igneous. Antonym of intrusive. Synonym of volcanic. Pertaining to igneous rocks or features formed from lava released on the Earth's surface.
crystal
extrusive
light-year
flood
25. Lacking in rainfall & very dry.
anemometer
delta
arid
watershed
26. Lava extruded beneath water characterized by pillow shapes.
ozone depletion
convection cell
Pillow Lava
foreshock
27. The point on the Earth's surface that is directly above the focus of an earthquake.
erosion
epicenter
decomposition (chemical weathering)
petroleum
28. The distance between two successive wave crests or troughs.
wave length
Proterozoic
atlas
triangulation
29. The remains of an extremely massive star pulled into a small volume by the force of gravity.
comet
Modified Mercalli Scale
black hole
meander
30. To change back and forth uncertainly.
fluctuate
isthmus
levees
rock cycle
31. The zones of seismic activity long which plates are in contact.
moraine
plate boundaries
isostasy
wave trough
32. The accumulation of material in layers or beds.
sedimentary rock
erosion
stratification
crust
33. A molecule composed of three atoms of oxygen and mostly found in the stratosphere. Though beneficial in the upper atmosphere & at ground level & ozone is called photochemical smog & and is a respiratory irritant and considered a pollutant.
lahar
moon
aquatic
ozone
34. A lake in an abandoned meander.
till (unstratified drift)
moraine
oxbow lake
abundant metal
35. The straightening and/or deepening of a river channel.
channelization
moraine
pipe
caldera
36. Living on land.
zone of saturation
terrestrial
p- wave (primary wave & compressional wave)
geologic column
37. The current geologic era & which began 66.4 million years ago and continues to the present.
Cenozoic
Mercury
dust bowl
arid
38. A vent in the surface of the Earth & from which lava & ash & and gases erupt.
volcano
prairie
intensity
erratic
39. The level of light that penetrates through water.
ore deposit
ground moraine
particulate air pollution
water clarity
40. The production of living matter by organisms that make food using sunlight or chemicals. Usually expressed as grams of carbon per square meter per year.
smelting
beach
primary productivity
ozone layer
41. The height of a place above sea level.
Mars
latitude
dust devil
elevation
42. Woodland that usually gets at least 100 inches of rain each year.
rainforest
open pit mining
asteroid
hemisphere
43. The chronological sequence of units of Earth time.
boundary
geologic time scale
rift (graben)
inertia
44. A planetary satellite.
ozone layer
moon
black hole
isostatic change in sea level
45. A method of sediment transport in which the turbulence of a fluid is able to keep particles supported in the fluid.
particulate air pollution
stratification
geology
suspension
46. A volcano in the shape of a flattened cone & broad and low & built by very fluid flows of basaltic lava.
liquefaction
shield volcano
Global Positioning System (GPS)
Mercury
47. An abandoned meander .
elevation
inertia
oxbow
swells
48. An instrument used to measure the speed of wind.
eon
Mesozoic
moraine
anemometer
49. A broad & mound-like mass of glacier ice that usually spreads radially outward from a central zone.
meander
ice sheet
salinization
atoll
50. A large volume of dust-sized particles lifted high into the atmosphere.
dust storm
ozone depletion
lava dome
abundant metal