Science Quizzes & Trivia

Test your knowledge of science facts and applications through our awesome online science quizzes! Enhance your knowledge or learn something completely new by answering science quiz questions based on biology, chemistry, physiology, astronomy and more.
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You think you won the science contest in your school; you can crush every science quiz? I challenge you to take on the world with this quiz, well, only if you can. All the best in the world's hardest science quiz you'll...

Questions: 13  |  Attempts: 47138   |  Last updated: Sep 8, 2020
  • Sample Question
    How did the dinosaurs die out?

In today's era, every single child is curious by nature. Nowadays, Children questions more to satiate their hunger for knowledge and who believe in scientific facts for every phenomenon occurring around their environment....

Questions: 20  |  Attempts: 53469   |  Last updated: Oct 27, 2020
  • Sample Question
    Squirrel monkey is a type of __________?

Are you ready for a pop quiz? That’s right! In the following questionnaire, we’ll be looking at one of the essential studies in human history – science! We’ll be looking at the core three topics that...

Questions: 10  |  Attempts: 27232   |  Last updated: Sep 16, 2020
  • Sample Question
    Why a man sitting in a moving bus suddenly moves forward when the bus suddenly stops?

Mark the correct answers !  Good Luck!  

Questions: 17  |  Attempts: 11792   |  Last updated: Jan 15, 2021
  • Sample Question
     Which of these animals does NOT have a skeleton?

Welcome to the ultimate Key Stage 3 (KS3) Science. It's a perfect practice test for students in Year 7, Year 8, and Year 9. With over 30 questions, it covers the fundamental topics of science. So, if you are interested in...

Questions: 30  |  Attempts: 13383   |  Last updated: Jun 11, 2020
  • Sample Question
    What is the word equation for respiration ?

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Science Questions & Answers

Why would dissolving salt in water be considered a physical change?
Dissolving salt in water is considered a physical change simply because it is only the state of matter that has been changed. Most times, physical changes can be reversed, and you would get your solute and solvent substances back. For example, after
What is the lightest halogen?
The lightest halogen is fluorine. Halogens are elements that belong to group 17 of the periodic table. These elements include fluorine, chlorine, bromine, iodine, and astatine. They all fall into this group because each of them has seven valence elec
Which is the most stable chemical compound?
It might actually be a bit hard to establish a chemical compound as the most stable one. But I will actually lay out some facts, and I hope I make sense to you. First of all, I will like to talk about copper ion (Cu++ ions). This substance has a ver
What is the study of stars called?
The branch of science that studies stars is known as astronomy. Simply put, astronomy is the study of the physical universe beyond the Earth's atmosphere. In other words, it is the study of everything that exists beyond the Earth's atmosphere. This i
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