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

Science Online Quiz for Kids and Adults

#1. What is the outermost layer of animal’s living cell?

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#2. In which layer of atmosphere International Space Station orbits?

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#3. Which layer of Earth’s atmosphere constitutes almost 75% of its mass?

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#4. Is there a central processing Unit in the brain?

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#5. In Earth’s anatomy what is the largest part of the earth?

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