Which one of the following is NOT true for minerals? - ANSWERSThey can be a liquid, solid, or gas
Which of the following is a mineral? - ANSWERSIce
Which of these are the positively charged charged particles in an atom's nucleus? - ANSWERSProtons
When in contact with hydrochloric acid, whi...
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Which one of the following is NOT true for minerals? - ANSWERSThey can be a liquid,
solid, or gas
Which of the following is a mineral? - ANSWERSIce
Which of these are the positively charged charged particles in an atom's nucleus? -
ANSWERSProtons
When in contact with hydrochloric acid, which mineral gives off bubbles of carbon
dioxide gas? - ANSWERSCalcite
The appearance or quality of light reflected from the surface of a mineral is known as
_____________ - ANSWERSLuster
If an atom has an equal number of electrons and protons, it would be considered
_____________ - ANSWERSElectrically neutral
Due to the arrangement of weaker bonds in their crystal lattice, the tendency of certain
minerals to break along smooth, parallel planes is known as ________. -
ANSWERSCleavage
Which of the following properties would be least useful for identifying a sample of
calcite? - ANSWERSWhite color
The ____________ mineral group reacts to hydrochloric acid. - ANSWERSCarbonate
The terms bladed, fibrous, cubic, and platy describe __________ - ANSWERSCrystal
habit
____________ is the powdered form of the mineral - ANSWERSStreak
________________ is the softest mineral and __________ is the hardest mineral on
Mohs scale. - ANSWERSTalc; Diamond
The physical property that sets the mineral pyrite aside from the others is its
_______________ - ANSWERSCrystal habit
Which of the following silicate minerals is the most abundant in Earth's Crust? -
ANSWERSFeldspar
, What element is the most abundant in the Earth's crust by weight? - ANSWERSOxygen
If you find a mineral that you think to be topaz what two minerals could you use in a
scratch test to help determine if the mineral is indeed topaz? - ANSWERSCorundum
and Quartz
Hardness describes a minerals ____________ - ANSWERSresistance to being
scratched
What is the basic foundation of Moh's hardness scale? - ANSWERSIf a mineral
scratches an object, then the mineral is harder than the object.
Name the hardest and softest mineral on the Moh's scale. - ANSWERSDiamond
(hardest) and Talc (softest)
What mineral is not scratched by a fingernail, but is scratched by a cooper penny? -
ANSWERSCalcite
Which of the following statements about the rock cycle is correct? - ANSWERSA
sedimentary rock subjected to intense heat and pressure will become a metamorphic
rock
An Igneous rock that cools rapidly is likely to have ____________ crystals -
ANSWERSSmall
Which igneous texture is characterized by two distinctively different crystal sizes? -
ANSWERSporphyritic
Granite and Gabbro have similar ______ - ANSWERScourse-grained texture
Obsidian is characterized by its ________ texture. - ANSWERSGlassy
The figure shows a 5-centimeter long rock consisting of black and white sand-sized
grains.
Examine the rock sample here. Did it form at the surface or below the surface, and how
do you know? - ANSWERSIt formed below the surface, because of its texture (grain
sized)
Which kind of rocks may contain fossils? - ANSWERSSedimentary
_____________ is formed when carbon dioxide dissolves in rainwater, and this mildly
reactive substance aids chemical weathering. - ANSWERSCarbonic Acid
Before sedimentary rock can be formed, sediment must be produced (weathered from
preexisting rocks), transported, deposited, and ________. - ANSWERSLithified
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