Science Quizzes, Questions & Answers

We offer a wide range of science quizzes covering chemistry, biology, physics, astronomy, and more. Read more

Science Quizzes By Grade

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Cell Biology Genetics Evolution Ecology Human Anatomy And Physiology Botany Plant Biology Zoology Animal Biology Microbiology Biotechnology Molecular Biology Immunology Developmental Biology

Earth And Space Science Quizzes

Geology Meteorology Oceanography Environmental Geoscience Paleontology Climate Science Hydrology Natural Disasters Earth Systems And Cycles Soil Science

Astronomy Quizzes

Observational Astronomy Solar System Stars And Stellar Evolution Galaxies Cosmology Exoplanets Astrobiology Astronomical Instruments Space Exploration And Missions Celestial Mechanics And Orbits

Top Trending Science Quizzes

Science Quiz: Basic Questions And Answers

Are you curious about the world around you? Do you love exploring how things work? Then get ready to put your knowledge to the test with our exciting science quiz! This interactive quiz is designed to challenge your...

Questions: 15 | Attempts: 338010 | Last updated: Feb 28, 2025

Sample Question
What group of stars is the sun classified in?

Supernova

Yellow Dwarf

Red Supergiant

Hypernova

Science Quiz For Grade 9

Challenge your knowledge and sharpen your skills with this engaging "Science Quiz Class 9" assessment. Designed for students in grade 9, this quiz covers a range of fascinating topics, including biology,...

Questions: 20 | Attempts: 177609 | Last updated: Jun 23, 2025

Sample Question
Distance is a ________________ quantity.

Scalar

Vector

Grade 9 Science Quiz: Review Key Concepts

Get ready to test your knowledge with our engaging Science Quiz for Grade 9! This detailed quiz is designed to challenge students on key concepts covered in the Grade 9 science curriculum. From biology and chemistry to physics...

Questions: 40 | Attempts: 96136 | Last updated: Jun 25, 2025

Sample Question
When is an atom considered stable?

When it has a full outer valence shell.

When it has the same amount of electrons as protons.

When it has no neutrons.

When it has an odd number of valence electrons.

Test Your Science Basics: Science Quiz Bee

The Science Quiz Bee is designed to test your knowledge of scientific concepts, theories, and facts across different fields such as physics, chemistry, biology, and earth science. This quiz challenges your understanding of...

Questions: 15 | Attempts: 33489 | Last updated: Feb 28, 2025

Sample Question
What is the name of the hard rock that forms from loose volcanic ash cemented together?

Tuff

Cinders

Lapilli

Volcanic bombs

World's Hardest Science Quiz You'll Ever Take!

Challenge your scientific knowledge with our Hard Science Quiz! Put your expertise to the test and tackle some of the most complex science questions from diverse disciplines. Whether you are a science enthusiast or have a curious...

Questions: 10 | Attempts: 90675 | Last updated: Sep 22, 2024

Sample Question
What kind of small objects compose much of the universe?

Atoms

Dark matter

Anti-matter

None of the above

Popular Science Quizzes

ACE It Or SpACE Out? Try These Science Related Quiz Questions

Ace It or Space Out? Try These Science Related Quiz Questions

The "Science Quiz for Class 6" is designed to test your understanding of key scientific concepts that are introduced in the 6th-grade curriculum. This quiz covers topics like biology, chemistry, physics, and earth...

Questions: 15 | Attempts: 284803 | Last updated: Jul 15, 2025

Sample Question
What is the SI unit (International System of Units) of speed?

M/s

Cm/kg

Km/h

V/A

Science Quiz Questions For Grade 11 And 12

Science Quiz Questions for Grade 11 and 12

Are you ready to test your knowledge with a challenging science quiz? The Science Quiz Questions for Grade 11 and 12 cover key topics in physics, chemistry, and biology. The questions will assess your understanding of scientific...

Questions: 20 | Attempts: 69808 | Last updated: Feb 13, 2025

Sample Question
Why does a person sitting in a moving bus suddenly move forward when the bus suddenly stops?

Due to inertia

Due to brakes

Due to negative acceleration

Due to the force exerted by the machine

Recent Science Quizzes