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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. An atmospheric shield providing the Earth with protection from ultra-violet rays which can cause sun burn & skin cancer and the destruction of the delicate plant life which supports the planet's food chain.
seismic gap
ore deposit
continental shelf
ozone layer
2. A period of dryness & that when prolonged & causes damage to crops; a shortage of water.
secchi disk
mesosphere
magnetic polarity
drought
3. The surface between the zone of saturation and the zone of aeration.
disintegration (mechanical weathering)
Greenhouse Effect
water table
nautical mile
4. The uprush of a wave onto the beach followed by the return flow of the water down the beach slope in the intervals between waves.
streak
fault
swash and back wash
divergent boundary
5. 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.
fossil fuel
viscosity
exotic river
plate
6. The great circle on the Earth's surface passing through The North and South Poles & which is considered 0 degrees longitude. The prime meridian passes through Greenwich & England & and is used as a reference point for measuring longitude east and w
Prime Meridian
Pluto
nuee ardente
floodplain
7. Water that flows across watersheds during and immediately after severe rainstorms. In populated areas & stormwater runoff is often water that cannot be handled by existing sewer systems. Stormwater runoff is the leading source of water pollution in t
inner core
stratum
disintegration (mechanical weathering)
stormwater runoff
8. Banks of sand and silt along stream bank built by deposition in small increments during successive floods.
salinity
levees
crevasse
light-year
9. The persistence of wind-formed waves after wind ceases.
column
asthenosphere
swells
lithosphere
10. 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.
fossil
meander
light-year
oxbow
11. The distance light travels through a vacuum in one year.
collisional Boundary
light-year
Global Positioning System (GPS)
geyser
12. Any seismic wave that travels through the body of Earth & rather than along its surface.
granitic
body wave
epicenter
outcrop
13. A giant structure that contains hundreds of billions of stars.
denudation
weathering
escarpment
galaxy
14. A coral reef attached directly to the mainland.
elevation
bar
fringing reef
cementation
15. (Greek-Aphrodite)named after the Roman goddess of love. It is the planet closest in size to Earth and the second planted from the Sun.
nuee ardente
divergent boundary
Venus
focus
16. A blanket of wind-driven sand with an upper surface about a meter above ground level.
sandstorm
Earth system
seismic gap
suspension
17. Elongated rises on the ocean floor where basalt periodically erupts & forming new oceanic crust.
mid-ocean ridges
smelting
baseline study
Proterozoic
18. The accumulation of material in layers or beds.
fetch
salinization
stratification
suspended load
19. The level of light that penetrates through water.
moon
water clarity
chemical sediment
neptune
20. Molten rock & containing dissolved gases and suspended solid particles. At the Earth's surface & magma is known as lava.
compass Rose
geothermal energy
magma
asteroid
21. Synonym of intrusive. Antonym of volcanic. Applies to igneous rocks formed beneath the surface of the Earth; typically with large crystals due to the slowness of cooling.
plutonic
chlorofluorocarbons (CFC's)
asteroid
Cenozoic
22. 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.
lithification
biogenic sedimentary rock
tectonic Plates
fringing reef
23. The initial point within the Earth that ruptures in an earthquake & directly below the epicenter. The point within the Earth which is the center of an earthquake & at which strain energy is first released and converted to elastic wave energy.
focus
acid rain
crater
tide
24. A large area of flat or nearly flat land.
plain
magnetic pole
trench
groin
25. Similar to a groin but built to keep sand out of a harbor entrance.
salinization
jetty
gravity
mantle
26. A valley carved by glacier erosion and whose cross-valley profile has steep sides and a nearly flat floor & suggestive of a large letter 'you'.
lithosphere
archipelago
wave length
you-shaped valley
27. A conical volcano formed by the accumulation of pyroclastic debris around a vent.
convergent boundary
black smoker
compass Rose
cinder cone
28. The symbol used on a map to indicate directions & both cardinal and ordinal.
fold and thrust mountains
open pit mining
storm surge
compass Rose
29. 1. Breach in a natural levee . 2. Deep crevice or open fracture in glacier ice.
crevasse
tell
stratovolcano (composite volcano)
mineral deposit
30. A study designed to collect critical data to be used for comparison or as a control in a later study.
stormwater runoff
anemometer
baseline study
neptune
31. A major drainage divide separating the drainage to one ocean from another.
tidal inlet
climate
superposition
continental divide
32. The breaking away of ice from the front of the glacier when it ends in a lake or an ocean. Produces icebergs.
rainforest
ore
calving
glacier
33. A deposit of partly decayed plant remains in a very wet environment; marsh or swamp deposit of plant remains containing more than 50 percent carbon.
peat
soil
region
convection cell
34. The point on the Earth's surface directly above the focus of an earthquake.
longitude
kettle
basalt
epicenter
35. The surface between the zone of saturation and the zone of aeration.
water table
bar
mesosphere
fracture
36. Containing moisture.
rain shadow deserts
siltation
neptune
humid
37. The distance light travels through a vacuum in one year.
gemstone
light-year
shield volcano
stratification
38. A tool for measuring the relative clarity of water.
floodplain
secchi disk
Milky Way
galaxy
39. Glacial drift composed of rock fragments that range from clay to boulder size and randomly arranged without bedding.
surf
till (unstratified drift)
fjord
cleavage
40. A curved belt of volcanic islands lying above a subduction zone.
island arc
magnetic pole
convection cell
axis
41. A vertical conduit through the Earth's crust below a volcano & through Which magma has passed.
Mercury
period
pipe
fracture
42. A geometrical form taken by a mineral & giving external expression to orderly internal atomic arrangement.
crystal
salinity
siltation
current speed
43. 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.
nautical mile
absolute time
shield volcano
El Nino
44. An aggregate of one or more minerals in varying proportions.
viscosity
stratum
rock
Andromeda
45. The process of one plate descending beneath another.
equinox
scour
convergent boundary
subduction
46. The reflection of light on a given mineral's surface & classified by intensity and quality.
luster
solar system
foliated
moraine
47. The first scientist to make systematic use of the telescope in looking at the heavens.
drainage divide
Galileo
calving
foreshock
48. The mass of an object divided by its volume.
gemstone
silicate
density
plate tectonics
49. A narrow & elongate region in which one lithospheric plate descends relative to another.
Proterozoic
icecap
subduction zone
ozone
50. The rigid outer shell of the Earth. It includes the crust and uppermost mantle and is on the order of 100 km in thickness.
you-shaped valley
open pit mining
lithosphere
groundtruthing