MATSE EXAM #2 2025 QUESTIONS AND
ANSWERS
According to the course reading, copper is found most readily in this form. - ANS copper
carbonate
According to the course reading, the Egyptians used tin to do this. - ANS make copper harder
A unit cell is: - ANS the small group of atoms that when repeated form the complete
material.
The atoms in a body centered lattice occupy the following locations: - ANS the corners and
center (middle) of the cube
For the orthorhombic crystal system: - ANS a ≠ b ≠ c and all the interaxial angles are equal to
90°
The hexagonal closed packed structure: - ANS has the stacking sequence of ABABAB...
An anisotropic material: - ANS is a material in which properties vary depending on which
crystallographic direction the measurements are taken.
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, A vacancy is a: - ANS point defect in which an atom is missing from a lattice site in the
crystal.
An alloy is a material: - ANS in which impurity atoms have been added.
An edge dislocation is a: - ANS linear defect that centers on the line that is defined along the
end of the extra half-plane of atoms.
In Metal: The Secret Life of Materials, the narrator, Mark Miodownik, is a: - ANS materials
scientist
According to the video, the first clue to discovering copper may have been: - ANS green
streaks
According to Mark Miodownik, remnants from early smelting has been found: - ANS on a
hillside
In the video, the very surprising fact about metals is: - ANS they are made of crystals
When you hit a metal, the atoms: - ANS form a wave of shuffling atoms
Iron replacing bronze was delayed because: - ANS iron is difficult to work with
iron: - ANS can be purified by pounding out impurities.
Henry Bessemer, with help from Robert Forrester Mushet, developed a way to: - ANS mass
produce large quantities of quality steel.
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Page
@COPYRIGHT @THEBRIGHT 2025/2026
ANSWERS
According to the course reading, copper is found most readily in this form. - ANS copper
carbonate
According to the course reading, the Egyptians used tin to do this. - ANS make copper harder
A unit cell is: - ANS the small group of atoms that when repeated form the complete
material.
The atoms in a body centered lattice occupy the following locations: - ANS the corners and
center (middle) of the cube
For the orthorhombic crystal system: - ANS a ≠ b ≠ c and all the interaxial angles are equal to
90°
The hexagonal closed packed structure: - ANS has the stacking sequence of ABABAB...
An anisotropic material: - ANS is a material in which properties vary depending on which
crystallographic direction the measurements are taken.
1
Page
@COPYRIGHT @THEBRIGHT 2025/2026
, A vacancy is a: - ANS point defect in which an atom is missing from a lattice site in the
crystal.
An alloy is a material: - ANS in which impurity atoms have been added.
An edge dislocation is a: - ANS linear defect that centers on the line that is defined along the
end of the extra half-plane of atoms.
In Metal: The Secret Life of Materials, the narrator, Mark Miodownik, is a: - ANS materials
scientist
According to the video, the first clue to discovering copper may have been: - ANS green
streaks
According to Mark Miodownik, remnants from early smelting has been found: - ANS on a
hillside
In the video, the very surprising fact about metals is: - ANS they are made of crystals
When you hit a metal, the atoms: - ANS form a wave of shuffling atoms
Iron replacing bronze was delayed because: - ANS iron is difficult to work with
iron: - ANS can be purified by pounding out impurities.
Henry Bessemer, with help from Robert Forrester Mushet, developed a way to: - ANS mass
produce large quantities of quality steel.
2
Page
@COPYRIGHT @THEBRIGHT 2025/2026
