1 of 165
Term
The radioactive isotopes uranium-238, uranium-235, and thorium-232
eventually decay to different, stable, daughter isotopes of ________.
A) iron
B) argon
C) strontium
D) lead
Give this one a try later!
D B
C A
Don't know?
, 2 of 165
Term
The lithospheric plates in modern plate tectonic theory differ
significantly from Wegener's continental drift hypothesis in that
________.
A) they are significantly thinner
B) several of the largest plates include both continental and oceanic
crust
C) it is the oceans that do all of the moving, not the continents
D) we now know that the plate motions are driven by massive
magnetic reversals
Give this one a try later!
C A
D B
Don't know?
, 3 of 165
Term
In ________ bonding one atom gives up electrons to another that
receives them.
A) covalent
B) ionic
C) metallic
D) polymorphic
Give this one a try later!
A C
D B
Don't know?
4 of 165
Term
Why doesn't quartz have any cleavages, only fractures?
A) All oxygens are shared between strongly bonded silicons in a 3-D
framework.
B) All of the metallic cations form strong webs between the silicate
chains.
C) It is made of pure silicon which is very strong.
D) It has strong helical chains in three perpendicular directions.
, Give this one a try later!
A C
B D
Don't know?
5 of 165
Term
________ are the three, basic categories of rocks in the rock cycle.
A) Crustal, lithospheric, and transform
B) Sedimentary, igneous, and metamorphic
C) Sedimentary, igneous, and volcanic
D) Weathered, sedimentary, and volcanic
Give this one a try later!
A C
D B
Don't know?
6 of 165
Term
Term
The radioactive isotopes uranium-238, uranium-235, and thorium-232
eventually decay to different, stable, daughter isotopes of ________.
A) iron
B) argon
C) strontium
D) lead
Give this one a try later!
D B
C A
Don't know?
, 2 of 165
Term
The lithospheric plates in modern plate tectonic theory differ
significantly from Wegener's continental drift hypothesis in that
________.
A) they are significantly thinner
B) several of the largest plates include both continental and oceanic
crust
C) it is the oceans that do all of the moving, not the continents
D) we now know that the plate motions are driven by massive
magnetic reversals
Give this one a try later!
C A
D B
Don't know?
, 3 of 165
Term
In ________ bonding one atom gives up electrons to another that
receives them.
A) covalent
B) ionic
C) metallic
D) polymorphic
Give this one a try later!
A C
D B
Don't know?
4 of 165
Term
Why doesn't quartz have any cleavages, only fractures?
A) All oxygens are shared between strongly bonded silicons in a 3-D
framework.
B) All of the metallic cations form strong webs between the silicate
chains.
C) It is made of pure silicon which is very strong.
D) It has strong helical chains in three perpendicular directions.
, Give this one a try later!
A C
B D
Don't know?
5 of 165
Term
________ are the three, basic categories of rocks in the rock cycle.
A) Crustal, lithospheric, and transform
B) Sedimentary, igneous, and metamorphic
C) Sedimentary, igneous, and volcanic
D) Weathered, sedimentary, and volcanic
Give this one a try later!
A C
D B
Don't know?
6 of 165
Term
