1. Based on the most-widely accepted scientific theory of Earth's origin,
which major rock group formed before any other? (if you don't know the
modern theory, just make an educated guess -- or go on-line in search of
the answer.)
[A] igneous [B] sedimentary
[C] metamorphic
2. Choose the term that DOES NOT fit -- Metamorphic rocks and _________.
[A] shield [B] orogen
[C] basement [D] platform
3. Which of the three major rock types covers the largest surface area
of the U.S.?
[A] igneous [B] sedimentary
[C] metamorphic
4. Which rock group composes most of the Earth's crust?
[A] igneous [B] sedimentary
[C] metamorphic
5. Platform rocks were deposited in shallow marine water bodies called
_________.
[A] salinas [B] salt lakes [C]
continental lagoons [D] epicontinental seas
6. Division of solid Earth materials into the three rock groups (igneous,
metamorphic, and sedimentary) is an example of a(n) _______ classification.
The method you used in lab to identify minerals is an example of a(n) ________
classification.
[A] empirical, genetic [B] genetic, empirical
[C] genetic, genetic [D] empirical, empirical
7. Grain size in a rock is a useful indicator of genesis (origin). For
example, if molten rocks cools slowly, the resulting rocks have mineral
crystals that are more coarse-grained (i.e. larger). Grain size is one
of the three characteristics of ________.
[A] rocks
[B] minerals
[C] texture
[D] genesis
8. An important mechanism for producing widespread (global) regression
is _______.
[A] sea level fall [B] development of widespread
glaciers [C] increased evaporation
[D] decreased precipitation
9. According to the rock cycle, what processes would produce sediment
from an extrusive igneous rock?
[A] uplift and intrusion [B] transport, deposition
and lithification [C] chemical and physical weathering
[D] application of heat and pressure
10. Due to ________, diagrams often overestimate the _______ of large
Earth features.
[A] vertical exaggeration, height or depth [B] lateral
exaggeration, width or height
[C] vertical exaggeration, width or length [D] lateral
exaggeration, height or depth