Test Your Knowledge Of Science With These Quizzes On Almost Every Topic.

Science Online Quiz for Kids and Adults

#1. An atom is 99.99999999%……..

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#2. If you increase the size of an atom to that of a football ground than nucleus is like size of a:…..

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#3. How much atoms are there in one human cell?

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#4. What is the diameter of Earth?

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#5. What is the known smallest thing in this universe?

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