Introduction
Science is everywhere โ from the chemistry behind cooking to the physics that keeps planes in the air. Whether you are revising for an exam or simply love learning how the world works, a good quiz is one of the best ways to lock knowledge into your memory.
These 40 science questions are split into biology, chemistry, and physics rounds. Each answer includes a short explanation to help you understand, not just memorise. Let's get started.
Biology (Questions 1โ15)
What is the powerhouse of the cell?
Think of your answer, then reveal it to check.
After reading an answer, close your eyes and explain it in your own words. This "active recall" technique is proven to boost long-term retention far more than re-reading notes.
Chemistry (Questions 16โ28)
What is the chemical symbol for gold?
Think of your answer, then reveal it to check.
Physics (Questions 29โ40)
What is the unit of force?
Think of your answer, then reveal it to check.