| Everyday Science: A Quiz
 
 
 
  1. What microorganisms live in the large intestine and help digest
        certain food and make vitamins?A. E. coli
 B. Amoebae
 C. Salmonella
 D.
        All of the above
 2. What is the minimum wind speed for a tropical storm
          to be classified as a hurricane? A. 63 mph
 B. 74 mph
 C. 96 mph
 D.
        156 mph
 3. What is the function of ozone? A. A bleach
 B. A protection
          from ultraviolet rays
 C. A deodorant
 D. All of the above
 4. How much
          power can an electrical power grid store at any given time? A. 0 megawatts
 B. 50,000 megawatts
 C. 100,000 megawatts
 D. 500,000 megawatts
 5.
          The undifferentiated cells, or stem cells, in an embryo have the potential
              to become: A. Muscles
 B. Bones
 C. Nerves
 D. All of the above
 
 
 Quiz Answers: 1. A; 2. B; 3. D; 4. A; 5. D
 
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