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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 sedimentary rock composed primarily of biogenic sediments.
biogenic sedimentary rock
lithification
zone of saturation
biogenic sediment
2. The process by which ocean floors spread laterally from crests of main ocean ridges. As material moves laterally from the ridge & new material replaces it along the ridge crest by welling upward from the mantle.
current speed
seafloor spreading
swells
chalk
3. The upper horizons in a soil & through which gravitational moisture travels & removing soluble decomposition products.
rock
dust bowl
solar system
zone of leaching
4. A measure of the strength of an earthquake based on the amount of movement recorded by a seismograph . compare Richter scale.
silicate
triangulation
Paleozoic
magnitude
5. Imaginary lines on a map or globe that measure distance in degrees north or south of the equator. Latitude lines extend horizontally & from east to west on a globe.
scale
magma
latitude
subtropical deserts
6. The breaking away of ice from the front of the glacier when it ends in a lake or an ocean. Produces icebergs.
wave trough
calving
chalk
anemometer
7. The point on the Earth's surface that is directly above the focus of an earthquake.
seismoscope
denudation
epicenter
pahoehoe
8. An aggregate of one or more minerals in varying proportions.
rock
telescope
discharge
inner core
9. A sea level change due to change in load on Earth's crust.
sand dune
volcanic ash
isostatic change in sea level
oceanic crust
10. Woodland that usually gets at least 100 inches of rain each year.
rainforest
zone of leaching
Pangea
magnetic equator
11. Till deposited from main body of glacier during ablation.
Greenhouse Effect
isostatic change in sea level
ground moraine
stalagmite
12. 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.
creep
Proterozoic
strip mining
chalk
13. The peak flow of water that tops the banks of a stream channel.
sand dune
lava
flood
storm surge
14. 1. A low & bowl-shaped area of land surrounded by higher lands. 2. any large depression in which sediments are deposited.
Copernicus & Nicholas
compression fossil
basin
magma
15. A small ice sheet.
aquatic
comet
Global Positioning System (GPS)
icecap
16. The amount of material a stream carries in suspension.
estuary
ground moraine
suspended load
water table
17. Evidence in rock of the presence of past life & such as a dinosaur bone & an ancient clam shell & or the footprint of a long-extinct animal as well as life history artifacts.
frost wedging
fossil
suspension
biogenic sediment
18. The process by which ocean floors spread laterally from crests of main ocean ridges. As material moves laterally from the ridge & new material replaces it along the ridge crest by welling upward from the mantle.
barrier reef
secchi disk
seafloor spreading
galaxy
19. A vent on the seafloor from which hydrothermal fluids are emitted. Upon mixing with seawater and cooling & the fluids precipitate a cloud of fine-grained sulfide minerals that resembles a cloud of black smoke.
black smoker
ozone
precipitation
compass Rose
20. An era of geologic time lasting from 570 to 245 million years ago.
lithification
Paleozoic
convection
comet
21. The peak flow of water that tops the banks of a stream channel.
intertidal zone
weathering
flood
back swamp
22. A cavity in a lava & formed by the entrapment of a gas bubble during solidification of the lava.
stalagmite
vesicle
humid
hemisphere
23. Plutonic. Antonym of extrusive. Pertaining to igneous rocks or features formed by the emplacement of magma in pre-existing rocks.
intrusive
subtropical deserts
icecap
crevasse
24. Any natural concentration of a valuable material in the Earth's crust & whether that material can be extracted profitably or not.
mineral deposit
quarrying
Cenozoic
Uniformitarianism
25. A seismic body wave that involves particle motion from side to side & perpendicular to the direction of wave propagation. S-waves are slower than P-waves and cannot travel through a liquid.
plutonic
boundary
s- wave (secondary wave & shear wave)
silicate
26. A rigid segment of the Earth's lithosphere that moves horizontally and adjoins other plates along zones of seismic activity. Plates may include portions of both continents and ocean basins.
plate
transcontinental
thermal spring
salinization
27. Rock formed from the accumulation of sediment & Which may consist of fragments and mineral grains of varying sizes from pre-existing rocks & remains or products of animals and plants & the products of chemical action & or mixtures of these.
sedimentary rock
seismic gap
epoch
Richter scale
28. A process of land degradation initiated by human activity & particularly in the zones along the margins of deserts.
desertification
sandstorm
drainage divide
surf
29. The dust-sized & sharp-edged & glassy particles resulting from an explosive volcanic eruption.
Mercury
volcanic ash
ecosystem
star
30. The way in which a rock or mineral breaks in random patterns rather than cleaving
Gondwana
fracture
chalk
igneous rock
31. The seaward edge of coast between low tide and effective wave action.
convection
seafloor spreading
asthenosphere
shore
32. A measure of acidity.
epicenter
nuee ardente
transform boundary
pH
33. Bent rock strata.
climate
rift (graben)
magnetic pole
fold
34. A device built to study distant objects by making them appear closer.
erratic
Cenozoic
telescope
nautical mile
35. 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
tide
intensity
erosion
36. Living in water.
liquefaction
aquatic
fluctuate
flash flood
37. A ridge of high water associated with a hurricane and which floods over the shore .
meander
density
lava dome
storm surge
38. A layer of sedimentary rock; plural is strata.
seamount
stratum
cleavage
exotic river
39. A volcano that is composed of alternating layers of lava and pyroclastic material & along with abundant dikes and sills. Viscous & intermediate lava may flow from a central vent. Example: Mt. Fuji in Japan.
Modified Mercalli Scale
stratovolcano (composite volcano)
Hale-Bopp
crust
40. Any object that revolves around another object in space.
foliated
satellite
wave trough
geyser
41. Elongated rises on the ocean floor where basalt periodically erupts & forming new oceanic crust.
fracture
Proxima Centauri
mid-ocean ridges
continental rise
42. A volcanic mountain on the seafloor. If flat-topped & it is a guyot.
scour
seamount
cave
decomposition (chemical weathering)
43. A worldwide change in sea level & such as caused by melting glaciers.
mesosphere
eustatic change in sea level
scour
pyroclastic
44. A device containing a free-swinging magnetic needle that is attracted to Earth's magnetic North Pole. Used to determine direction of travel.
scientific model
compass
permafrost
Hale-Bopp
45. A group of islands; an expanse of water with scattered islands.
fault
anemometer
archipelago
soil
46. 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.
shore
chemical sedimentary rock
neptune
estuary
47. The tectonic region in which two plates meet.
boundary
transcontinental
convergent boundary
volcanic ash
48. Heat transport by direct transfer of energy from one particle to another & without moving the particle to a new location.
galaxy
conduction
vesicle
pH
49. A community of plants and/or animals and its physical environment & regarded as a unit.
Cenozoic
icecap
lithification
ecosystem
50. Sediments produced directly by the life processes of plants or animals.
satellite
biogenic sediment
sand dune
zone of aeration