MindYourLogic

100+ Science Riddles to Test Your Knowledge and Enjoy the Challenge"

About Riddles

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!
61.
Riddles

Smallest bone in human body riddle 

What is the smallest bone in the human body? 
The smallest bone in the human body is the stapes bone in the middle ear. 
62.
Riddles

Inside and outside your body riddle 

I can be good for you, I can be bad, I can be found all over inside and outside your body. I am microscopic, single-celled and have no nucleus. 
Bacteria 
63.
Riddles

Chemical symbol for oxygen 

What is the chemical symbol for oxygen? 
The chemical symbol for oxygen is O. 
64.
Riddles

Eat a lot of iron riddle 

What can eat a lot of iron without getting sick? 
Rust. 
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65.
Riddles

Chemical symbol for calcium

What is the chemical symbol for calcium? 
The chemical symbol for calcium is Ca. 
66.
Riddles

Hottest body in the solar system

I am the hottest body in the solar system, and I keep everyone warm. Who am I? 
Sun 
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72.
Riddles

Name of the layer of gas riddle

What is the name of the layer of gas surrounding the Earth? 
The name of the layer of gas surrounding the Earth is the atmosphere. 
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74.
Riddles

Chemical symbol for gold 

What is the chemical symbol for gold? 
The chemical symbol for gold is Au. 
75.
Riddles

Chemical formula for methane 

What is the chemical formula for methane? 
The chemical formula for methane is CH4.