Here are 100+ science riddles for you to enjoy! Looking for a science related riddles challenge? Check out our collection of chemistry riddles, physics riddles, biology riddles! They'll make you think and teach you scientific riddles things. Test yourself with this 100+ science riddles with answer. Whether you love science or just want some brain-teasing fun, these riddles are perfect. Put your thinking cap on and get ready to solve the mysteries of the universe, one science riddle at a time!

Chemical formula of water 

17. Riddles
What is the chemical formula for water? 
    • The chemical formula for water is H2O. 

I am a lack of space riddle 

19. Riddles
I touch your face. I am in your words. I am a lack of space and beloved by birds. What am I? 
    • Air 

Chemical formula for ammonia

20. Riddles
What is the chemical formula for ammonia? 
    • The chemical formula for ammonia is NH3.

Chemical formula for methane 

23. Riddles
What is the chemical formula for methane? 
    • The chemical formula for methane is CH4. 

Chemical symbol for calcium

27. Riddles
What is the chemical symbol for calcium? 
    • The chemical symbol for calcium is Ca.