Chapter 4 - Rocks (Review 2) Question Preview (ID: 11542)


Rock Cycle And Types Of Rocks. TEACHERS: click here for quick copy question ID numbers.

Detrital rocks are ______.
a) made of fragments of other rocks
b) formed from magma
c) precipitated from solution
d) all of these

The rock cycle indicates that each type of rock can ______.
a) provide materials to make other rocks
b) form other types of rocks
c) be changed by natural processes
d) all of the above

Pumice, obsidian, and scoria are kinds of ______.
a) granite
b) volcanic glass
c) intrusive rocks
d) andesitic rocks

A rock is ______.
a) always made of molten material
b) a mixture of minerals, organic matter, volcanic glass, or other materials
c) a pure mineral
d) either igneous or sedimentary

The crystals that form in slowly cooling magma are generally ______.
a) nonexistent
b) invisible
c) tiny
d) large

Detrital rocks are named according to ______.
a) their ages
b) their locations
c) the size and shape of the sediments
d) the color of the sediments

Sedimentary rocks are usually classified as ______.
a) intrusive or extrusive
b) foliated or nonfoliated
c) basaltic, granitic or andesitic
d) detrital, chemical or organic

All ______ rocks are made from molten material.
a) igneous
b) sedimentary
c) metamorphic
d) mineral

______ is an example of a chemical sedimentary rock.
a) limestone
b) gneiss
c) obsidian
d) sandstone

______ is an example of an foliated metamorphic rock.
a) Slate
b) Chalk
c) Basalt
d) Marble

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