Science Bowl

GENERAL SCIENCE

General Science - 38

GENR-93; Multiple Choice:  Biomass energy is: 

w) formed through photosynthesis 
x) caused by heat due to the large mass of the earth 
y) has been used for only a few years 
z) is effective in only certain regions of the United States   

ANSWER:  W -- FORMED THROUGH PHOTOSYNTHESIS 

GENR-93; Short Answer:  What is the technique of detecting the position of objects by producing 
very high frequency sound waves and listening to the echos?   

ANSWER:  SONAR 

 
GENR-93; Multiple Choice:  A thermocouple is used to measure   

w) pressure 
x) current 
y) strain 
z) temperature 

ANSWER:  Z -- TEMPERATURE 

 
GENR-93; Short Answer:  What metal is obtained from the mineral malaclite?   
 

ANSWER:  YOPPER 

  
GENR-93; Multiple Choice:  The most suitable motor oil for use in a car in cold weather is:   

w) a high viscosity oil 
x) a low viscosity oil 
y) a medium viscosity oil 

ANSWER:  X -- A LOW VISCOSITY OIL 

 
GENR-93; Multiple Choice:  The process by which a substance absorbs moisture upon exposure 
to the atmosphere is called: 

w) efflorescence 
x) deliquescence 
y) dehydrogenation 
z) desalination 

ANSWER:  X -- DELIQUESCENCE