Which of these things is NOT a model in the sense used in the textbook?
a. Someone who is employed to appear in advertisements of merchandise.
b. A guess about the contents of a box based on the weight of the box and the sounds it makes when shaken.
c. A mathematical equation describing an observation of an unknown process.
d. An analogy to a known process or object.
e. A theory of what your cousin might have put in a box she sent you for your birthday.
Question 2
Microscopic properties of an object:
a. are just small versions of the macroscopic properties.
b. are completely unrelated to macroscopic properties.
c. are overall large scale properties.
d. are the properties of particles that make up the object.
e. are the average of many properties of individual particles.