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Matse 81 Exam 1 With Complete Solutions
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Matse 81 Exam 1 With Complete Solutions
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Solution 2024/2025Pepper
Matse 81 Exam 1 With Complete Solutions
Molecular solids are formed by: ANS✔✔ van der Waals bonding
According to the video Making Stuff: Stronger, abalone shell is made of calcium carbonate. What common household
item is also made of calcium carbonate? ANS✔✔ Chalk
Which one of the following topics was discussed in the video Making Stuff: Stronger. ANS✔✔ Magnets can be used to
test whether Naval ships are made from steel.
In Making Stuff: Cleaner, David Pogue is on a quest to: ANS✔✔ turn trash into electricity
According to The Secrets of the Terracotta Warriors, when did pottery figures replace human sacrifice in China? ANS✔✔
300 years before the First Emperor
The shear modulus is: ANS✔✔ the proportionality constant between strain and torsional stress
Which one of the following topics was discussed in the video The Secrets of the Terracotta Warriors. ANS✔✔ Atomic
composition was the main difference between Chinese Purple and Egyptian Blue.
Which one of the following topics was discussed in the video Hunting the Elements. ANS✔✔ Dmitri Mendeleev arranged
elements by weight and family
Which of the following topics were discussed in the video Making Stuff: Cleaner. ANS✔✔ Efforts to replace plastic car
parts, which usually end up in landfills when cars are disposed of.
Which of the following is a Green Design principle. ANS✔✔ If your process operates above room temperature, then
change the process to operate at a temperature closer to room temperature.
, Solution 2024/2025
Pepper
Obsidian is a naturally occurring: ANS✔✔ Glass
According to the TED-Ed video The 2,400-year Search for the Atom, the nucleus was discovered by Rutherford when this
occurred to the alpha particles shot at gold foil in his laboratory. ANS✔✔ Most of the particles went through the foil but
a few bounced backwards.
For a specific application a material is needed that is very strong but very lightweight. What class of materials would be
the best choice for this application? ANS✔✔ composite
These are the names of the three 'cultural' revolutions named for materials used during their historical era. ANS✔✔
Neolithic Age, Bronze Age, Iron Age
Soda containers made from this material will easily fracture if dropped. ANS✔✔ Glass
Iron: ANS✔✔ oxidation results in less metal to recycle
Which of the following topics were discussed in CASE STUDY or MATERIALS OF IMPORTANCE sections of the e-Book.
ANS✔✔ Welding of prefabricated steel sheets lead to increased Liberty Ship failures.
An early application of quantum mechanics led to the: ANS✔✔ Bohr model of the atom.
In a shear mechanical test, a test sample is subject to equal and opposite forces applied to: ANS✔✔ the top and bottom
of the sample and are parallel to those surfaces.
Which one of the following statements best describes the Bohr atomic model? ANS✔✔ Electrons behave like point
particles
What is green design? ANS✔✔ consideration is given to the cradle-to-grave environmental assessment of the product
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