Physics 1408

Since you may take the online quizzes as often as you like, your highest average should be pretty good. However, in order to keep track, you must fill out the student name and id# part of the form.

Question 1. Part of the scientific method involves formulating a scientific (or testable) hypothesis. This means that the hypothesis is

(a) definitely true.

(b) probably true.

(c) capable of being proved true, but not false.

(d) probably a bad idea.

(e) capable of being proved true or false by experiment.

 

 

Question 2. In any given year, the outcome that is less likely than being struck by lightning is

(a) a fatal bicycle crash     (b) drowning     (c) choking to death     (d) winning the state lottery     (e) death by car crash

 

 

Question 3. A reasonable order-of-magnitude estimate for the number of times that a heart beats in an average human lifetime of 70 years is

(a) 2X10¹³    (b) 2X10¹¹    (c) 2X10⁹    (d) 2X10⁷    (e) 2X10⁵

 

 

Question 4. According to a recent intelligence estimate, America is least likely to be attacked by terrorists using

(a) airplanes     (b) cars/trucks     (c) ships     (d) the U.S. mail     (e) an I.C.B.M.

 

 

Question 5. As a country, we are spending (by far) the most money to defend against a terrorist attack by

(a) airplanes     (b) cars/trucks     (c) ships     (d) the U.S. mail     (e) an I.C.B.M.

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