Science Quiz #71
Science and Nature Quiz for 26 May 2010
A new science quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.
1
What is dichlor-diphenyl-trichlorethane used for?
Select from the options above.
2
What is a natural number called if it has exactly two distinct divisors?
Select from the options above.
3
Which of these is food for a dragonfly?
Select from the options above.
4
What occurs when a ray of light meets an obstacle such as a fine wire?
Select from the options above.
5
What was developed at the Bell Telephone Company under the direction of Dr William Shockley?
Select from the options above.
6
Which of the following is an alloy of copper and zinc, sometimes containing lead, tin or iron?
Select from the options above.
7
What is the "First Law of Robotics" devised by Isaac Asimov in his science fiction stories?
A
A robot must protect its own existence at all costs
B
A robot must keep itself very clean at all times
C
A robot must open doors for people, even if it has its arms full
D
A robot may not injure a human being or, through inaction, allow a human being to come to harm.
Select from the options above.
