Sedimentary and Metamorphic Rocks
Practice Test
1.
What extrusive igneous rock has a mafic composition and a glassy texture?
SC.D.1.4.2
a.
diorite
b.
gabbro
c.
obsidian
d.
basaltic glass
2.
What is a substance that cannot be broken down into simpler substances with all the characteristics of the substance?
SC.A.2.4.2
a.
an element
b.
a gas
c.
a solid
d.
matter
3.
__________ metamorphic rocks are formed at high temperatures and medium to low pressures.
SC.D.1.4.2
a.
Contact
b.
Regional
c.
Low-grade
d.
Hydrothermal
4.
A glacial deposit often is __________.
a.
well-sorted
b.
cross-bedded
c.
rippled
d.
unsorted
5.
How is 100 000 000 written in scientific notation?
a.
1 x 100 000 000
b.
1 x 10
8
c.
1 x 10
-8
d.
1 x 100
8
6.
What part of an experiment is used to show that results are due to the condition being tested?
SC.H.1.4.1
a.
control
b.
independent variable
c.
hypothesis
d.
dependent variable
7.
What is a solid that has particles arranged in regular geometric patterns?
SC.A.1.4.1
a.
a crystalline structure
b.
an iconic compound
c.
a gas
d.
a covalent bond
8.
What makes a mineral a gem?
a.
its deep color
b.
its association with native elements
c.
its rarity and beauty
d.
its pearly luster
9.
The attraction of two atoms for a shared pair of electrons that hold the atoms together is called __________.
SC.A.1.4.5
a.
a compound
b.
a chemical reaction
c.
an ionic bond
d.
a covalent bond
10.
Symmetrical ripples are the result of sediments being moved __________.
a.
in a forward direction up an incline
b.
in a forward direction
c.
in a back-and-forth motion
d.
in a circular direction
11.
The number of protons in an atom's nucleus is the __________.
SC.A.2.4.1
a.
mass number
b.
radioactivity number
c.
atomic number
d.
isotopic number
12.
Which is not a compositional classification of a magma?
SC.D.1.4.2
a.
phaneritic
b.
andesitic
c.
basaltic
d.
rhyolitic
13.
Bases produce __________ in solution.
a.
oxygen ions
b.
hydrogen ions
c.
helium ions
d.
hydroxide ions
14.
The grains of a breccia most likely traveled __________ than the grains in a conglomerate.
a.
the same distance
b.
a shorter distance
c.
a farther distance
d.
a different distance
15.
What type of metamorphic rock is a result of increased pressure and temperature affecting large regions of Earth's crust?
SC.D.1.4.2
a.
hydrothermal metamorphism
b.
contact metamorphism
c.
foliated metamorphism
d.
regional metamorphism
16.
According to the table, which mineral is capable of scratching garnet?
Mineral
Color
Hardness
Gold
Metallic gold
2.5- 3
Apatite
Blue, green
5
Pyrite
Metallic pale brass, gold
6-6.5
Garnet
Red, deep red, brown
7.5- 8
Corundumm
Red, deep red
9
a.
gold
b.
pyrite
c.
corundum
d.
apatite
17.
Sedimentary layers with distinct grain sizes progressing from larger to smaller are called __________.
a.
glacial deposits
b.
layered deposits
c.
unsorted deposits
d.
graded beds
18.
What is a gas that is composed of positive ions and free electrons?
SC.A.1.4.3
a.
a liquid
b.
a plasma
c.
neon
d.
hydrogen
