Science Quiz #814
A new science quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.
Q1. Which of these is not a fish?
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Q2. When was observational evidence first accepted by the scientists of the time that the Milky Way is not the only galaxy in the universe?
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Q3. Which of these is the name of 13 books written in Alexandria around 300 BC, a collection of definitions, axioms, theorems, constructions and proofs was used as the basic text on geometry throughout the Western world for about 2,000 years?
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Q4. The refraction phenomenon known as "looming" can result in seeing what?
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Q5. Following work in 2016 on observations in Hubble's Ultra Deep Field how many galaxies are there estimated to be in the known universe?
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Q6. Which star shines brightest in Earth's sky?
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Q7. Photosynthesis is the system used by which of these to create food?
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