Answer briefly to the following questions:
1.
According to the principle of uniformitarianism, ________.
A.
geologic processes we observe today have operated in the past
B.
animals evolved at a uniform rate
C.
all of the planets formed from a uniform solar nebula
D.
early Earth was covered by a uniform magma ocean
2.
The process by which an originally homogeneous Earth developed a dense core and a light crust is called ________.
A.
metamorphism
B.
differentiation
C.
accretion
D.
compression
3.
Which of the following choices lists events in chronological order, from oldest to youngest?
A.
Earth aggregates, Earth differentiates, oldest Moon rocks form, giant impact(s) occurs.
B.
Nebula evolves to Sun and planetisimals, giant impact(s) occurs, molten Earth cools, Earth differentiates.
C.
Nebula evolves to Sun and planetesimals, Earth aggregates, molten Earth cools, age of oldest meteorite.
D.
Molten Earth cools, Earth aggregates, giant impact(s) occurs, Earth differentiates.
4.
Which part of the Earth depicted in the figure above is molten?
A.
crust
B.
mantle
C.
outer core
D.
inner core
5.
Fifty percent of the Earth's crust is made up of which element?
A.
iron
B.
silicon
C.
oxygen
D.
aluminum
6.
Which of the following statements is
false
?
A.
Igneous rocks are linked to weathering in the hot interior of the Earth.
B.
Metamorphic rocks are linked to mountain building events.
C.
Both igneous and metamorphic rocks are linked to erosion by interaction with the atmosphere and hydrosphere.
D.
Sedimentary rocks are formed from both metamorphic and igneous rocks.
7.
The asthenosphere is ____________.
A.
cool and strong
B.
cool and weak
C.
hot and strong
D.
hot and weak
8.
The motion of a flowing material where hot matter rises from the bottom and cool matter sinks to the surface is called ___________.
Answer:
9.
Isotopes of an element have different numbers of __________.
Answer:
10.
Sodium has an atomic number of 11. How many electrons will the sodium ion Na
+
have?
Answer:
11.
Which of the following statements about feldspar is
false
?
A.
Feldspar is harder than calcite.
B.
Feldspar is softer than corundum.
C.
Feldspar is the most abundant mineral in the Earth's crust.
D.
Feldspar is a sheet silicate.
12.
Which of the following rock types is the
least
abundant in the Earth's crust?
A.
igneous
B.
sedimentary
C.
metamorphic
D.
Igneous, sedimentary, and metamorphic rocks are equally abundant.
13.
Explain current status of the Universe using the
Oscillating Universe Cosmology
scenario.
Answer:
14.
What's the difference between
photosynthesis
and
respiration
processes. If photosynthesis and respiration are reciprocal, why do we
not
have equal amount of carbon dioxide and oxygen in the atmosphere?
Answer:
15.
Explain why it is easier to find outcrops in hilly or mountaineous terrain than in the coastal region.
Answer:
16.
Enumerate
different types of silicate structures along with an example mineral in each type
Answer:
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