Science Worksheet With Answers
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13ROUND ROBIN 6
TOSS-UP
1) LIFE SCIENCE
Multiple Choice Which of the following accounts for the largest increase in
cancer death rate in the USA between the years 1900 and 1990:
W) lung
X) breast
Y) colon
Z) stomach
ANSWER: W) LUNG
BONUS
1) LIFE SCIENCE Multiple Choice
The structure of DNA proposed by Watson and Crick was
partly based on the x-ray work of:
W) Louis Pasteur
X) Rosalind Franklin
Y) Linus Pauling
Z) Eleonore Rubinstein
ANSWER: X) ROSALIND FRANKLIN
TOSS-UP
2) PHYSICAL SCIENCE
Multiple Choice If light is passed through two pin holes and the
patterns allowed to overlap on a wall, the pattern produced by the intersection of waves is called:
W) an intersection pattern
X) an interference pattern
Y) an arcing pattern
Z) a construction pattern
ANSWER: X) AN INTERFERENCE PATTERN
BONUS
2) PHYSICAL SCIENCE
Short Answer Add a second proton and two neutrons to the
hydrogen nucleus and you have which element?
ANSWER: HELIUM (ACCEPT: He)
Junior National Science Bowl
Round Robin 6
Page 1
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