Science Quiz #507
Science and Nature Quiz for 3 October 2018
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
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2
What is the inner core of the Earth believed to consist of?
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3
Of four balloons filled respectively with ozone, carbon dioxide, oxygen and ammonia, which gas will make its balloon float?
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4
The genus of beautiful and venomous marine fish called Pterois, which is invading and dominating the west Atlantic, Caribbean Sea and Mediterranean Sea, is native to where?
D
Across the Indo-Pacific region
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5
What is the mathematical result of dividing any real number other than zero, by zero?
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6
What thin, circular structure in the eye controls the diameter and size of the pupil and the amount of light reaching through it?
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7
In 2003, which planet passed 55.76 million km from earth, the closest since the Stone Age?
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