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#1. Which is the only body part that is fully grown from birth?
#2. What is the process by which a liquid changes into a gas?
#3. What is the chemical element with the symbol Fe?
#4. What is the scientific theory that explains the origin of the universe?
#5. What is the process by which plants convert sunlight to energy?
#6. Which planet has the most moons?
#7. What is the smallest unit of matter?
#8. How many elements are in the periodic table?
#9. What scientific theory proposed that Earth revolves around the sun?
#10. How many bones do we have in an ear?
#11. Where is the strongest human muscle located?
#12. What is the name of the world's first artificial satellite?
#13. Which planet in the Milky Way is the hottest?
#14. Which planet is closest to the sun?
#15. What is the outermost layer of the Earth’s atmosphere called?