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!

I am a lack of space riddle 

16. 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 element with the atomic number 1

19. Riddles
What is the name of the chemical element with the atomic number 1? 
    • The name of the chemical element with the atomic number 1 is hydrogen.

Chemical formula for table salt 

21. Riddles
What is the chemical formula for table salt? 
    • The chemical formula for table salt is NaCl (sodium chloride). 

I can measure heat 

22. Riddles
I am a god, a planet, and I can measure heat. What am I? 
    • Mercury 

Chemical symbol for calcium

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

Chemical symbol for oxygen 

27. Riddles
What is the chemical symbol for oxygen? 
    • The chemical symbol for oxygen is O.