Challenging Science Quiz
Question 1 of 10
Which of the following is used as a rating scale to grade gasoline?
Question 2 of 10
With no middle ear, these animals can't really hear, but they can be trained to follow the movements of a flute. What are they?
Question 3 of 10
What keeps a duck dry even though it spends almost all its time in the water?
Question 4 of 10
As David St Hubbins might know, what kind of procedure are you having done if your doctor orders up a lumbar puncture?
Question 5 of 10
What did ancient farmers probably use to tell the passing of seasons?
Question 6 of 10
A NASA deep space probe's ion propulsion was inspired by the otherwise awful episode Spock's Brain, of what TV series?
Question 7 of 10
The third right arm of what eight-armed creature is also its reproductive organ?
Question 8 of 10
What does a conchologist collect?
Question 9 of 10
When the needle stops spinning on a magnetic compass, what is it pointing to?
Question 10 of 10
Batteries range from AAAA to G, although you mostly only see D batteries and three other kinds. Which of these is not one of them?

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