Science Bowl

GENERAL SCIENCE

General Science - 40

GENR-93; Multiple Choice:  How many time zones are there in the CONTIGUOUS United
States? 

w) 3 
x) 4 
y) 5 
z) 6 

ANSWER:  X -- 4 

 
GENR-93; Multiple Choice:  In the United States, coal is the energy source that produces  the
highest percentage of our electricity.  Second is: 

w) hydropower 
x) oil 
y) nuclear energy 
z) solar energy 

ANSWER:  Y -- NUCLEAR ENERGY 

 
GENR-93; Multiple Choice:  The first controlled nuclear chain reaction took place in what year?   

w) 1895 
x) 1910 
y) 1942 
z) 1945 

ANSWER:  Y -- 1942 

 
GENR-93; Multiple Choice:  The radioactive element most commonly detected in humans is:   

w) potassium-40 
x) cobalt-60 
y) iodine-131 
z) plutonium-238 

ANSWER:  W -- POTASSIUM-40