🔬
Quiz collection · MIXED
Science & Space Explorer
Planets, the human body, inventions and the natural world.
About this collection
Questions drawn from science, astronomy, biology and the history of invention.
Each round is 10 timed questions picked at random, so it stays fresh every time you play. Read the explanation after each answer to remember it next time.
Sample questions in this quiz
- Question 1: Who among these is noted for the discovery of Hydrogen?🔑 Henry Cavendish
- Question 2: Approximately, what is the standard atomic weight of an oxygen atom?🔑 16 u
- Question 3: A diamond is a solid form of which element?🔑 Carbon
- Question 4: The Retina is a part of which human organ?🔑 Eye
- Question 5: O2 is the formula of what?🔑 Oxygen
- Question 6: Which of these planets lack a well-defined solid surface in the following?🔑 Jupiter
Categories in this pack
🔥 Hot
Science
Test your science knowledge with 367 timed questions.
📚 367 questions · ▶ 822Play
Animals And Nature
Wildlife, habitats and the wonders of the natural world.
📚 27 questions · ▶ 13Play
Human Body
Bones, organs and how the amazing human body works.
📚 10 questions · ▶ 6Play
🔥 Hot
Space And Astronomy
Planets, stars and the science of the universe.
📚 30 questions · ▶ 4Play
Great Inventions
The inventors and ideas that shaped the modern world.
📚 10 questions · ▶ 2Play