Easy
Science & Nature
The Solar System, Explained
A friendly tour of the planets, moons and the star at the middle of it all.
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Which planet is closest to the Sun?
Science & Nature
How the universe, the planet and everything living on it actually work.
Science is the largest section on QuizKite, and the one where explanations matter most. Knowing that a proton is positively charged is trivia. Knowing why that single fact determines the entire periodic table is understanding, and that is what these quizzes are built to give you.
Inside you'll find physics, chemistry and biology, along with the parts of science people actually meet day to day: the weather, the oceans, animals and birds, plants, the human body, the ground under your feet and the sky above it. The difficulty ranges from questions a curious ten-year-old could answer to a few that will catch out people who studied the subject.
Every answer comes with a short explanation of the mechanism behind it. That is deliberate. The mechanism is the part you remember a week later.
Difficulty mix
New to this section? Start here
The Solar System, Explained
A friendly tour of the planets, moons and the star at the middle of it all.
25 easy
33 medium
12 hard
6–9 min each
Topics in Science & Nature
Choose a subject
Science & Nature
8 quizzes · 81 questionsThe universe, the atom, and every living thing in between.
- The Solar System, Explained Easy
- How Science Actually Works Medium
- Dinosaurs & Prehistoric Life Medium
- Weather & Climate Easy
Animals & Wildlife
7 quizzes · 70 questionsRecords, behaviour and the logic of how animals live.
- How Animals Became Domestic Medium
- How Animals Find Their Way Medium
- Animal Names and Groups Easy
- Insects and Invertebrates Medium
Oceans & Marine Life
7 quizzes · 70 questionsThe water covering most of the planet, and what lives in it.
- Sharks, Rays and the Fish Between Them Medium
- Currents, Trenches and the Sea Floor Hard
- Coral Reefs and the Shallow Sea Medium
- Whales, Dolphins and Porpoises Easy
Space & Astronomy
7 quizzes · 70 questionsPlanets, stars and how we came to know any of it.
- Gravity, Orbits and Getting There Hard
- Telescopes and How We Look Medium
- Space Race Firsts Medium
- How Stars Live and Die Hard
Biology
5 quizzes · 50 questionsCells, inheritance and how living things work.
- Ecosystems & Food Webs Easy
- Evolution & Natural Selection Medium
- Genes, Alleles & Inheritance Hard
- Inside the Living Cell Medium
Chemistry
5 quizzes · 50 questionsElements, reactions and what everything is made of.
- Discoveries That Made Chemistry Medium
- Everyday Chemistry Explained Easy
- How Atoms Bond and React Hard
- The Elements Up Close Medium
Medicine & The Body
5 quizzes · 50 questionsHow the body works and how medicine learned to help.
- Milestones in Medicine Hard
- The Senses, Explained Medium
- The Heart and the Blood Medium
- Bones, Muscles & Joints Easy
Physics
5 quizzes · 50 questionsForces, energy and the rules everything obeys.
- Electricity and Magnetism Hard
- Light, Sound and Waves Medium
- Energy, Heat and Temperature Medium
- Motion, Mass and Momentum Easy
Birds
3 quizzes · 30 questionsFlight, feathers and the last living dinosaurs.
Environment & Climate
3 quizzes · 30 questionsThe systems that keep the planet habitable.
Geology & Earth Science
3 quizzes · 30 questionsRocks, plates and the planet's deep history.
- The Shape of the Land Medium
- Minerals, Crystals and Gemstones Medium
- Rocks, Plates & Deep Time Medium
Mathematics
3 quizzes · 30 questionsNumbers, shapes and the ideas underneath them.
Natural Disasters
3 quizzes · 30 questionsExtreme events, and the science of predicting them.
- Disasters That Changed History Hard
- How Disasters Are Measured Medium
- When the Earth Turns Violent Medium
Plants & Gardening
3 quizzes · 30 questionsHow plants live, and how to keep them alive.
- The Lives of Trees Medium
- A Gardener's Year Easy
- Roots, Leaves & Seeds Easy
Psychology
3 quizzes · 30 questionsMemory, behaviour and why people do what they do.
- When the Findings Did Not Hold Hard
- How Memory Gets Things Wrong Medium
- Memory, Bias & Behaviour Medium
Most played
Popular Science & Nature quizzes
Medium
Oceans & Marine Life
Sharks, Rays and the Fish Between Them
Cartilage instead of bone, electrical senses, and the fish that break every rule.
Sample question
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Sharks and rays differ from most fish because their skeletons are made of what?
Medium
Science & Nature
How Science Actually Works
Hypotheses, controls, peer review and the difference between a theory and a guess.
Sample question
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In science, a "theory" means what?
Hard
Space & Astronomy
Gravity, Orbits and Getting There
Why orbiting is falling, what escape velocity means, and how spacecraft actually travel.
Sample question
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An object in orbit is best described as doing what?
Medium
Space & Astronomy
Telescopes and How We Look
How astronomers actually see things, and why some telescopes sit in space or underground.
Sample question
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A refracting telescope gathers light using what?
Medium
Animals & Wildlife
How Animals Became Domestic
Which animals we tamed, roughly when, and why so few of them worked.
Sample question
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Which animal is generally accepted as the first domesticated by humans?
Medium
Animals & Wildlife
How Animals Find Their Way
The journeys animals make, and how they navigate without any of our instruments.
Sample question
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Which bird makes the longest annual migration of any animal?
Hard
Psychology
When the Findings Did Not Hold
Replication, pre-registration and the famous psychology results that stopped standing up.
Sample question
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In research, replication means what?
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The physics came first. Tyndall measured infrared absorption in 1859 and Arrhenius calculated the effect of doubling carbon…
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Two boxes, then a gap, then eight, then eighteen, and thirty elements marooned at the bottom. The lumpy outline of the periodic…
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Questions
About Science & Nature quizzes
How many Science & Nature quizzes are there?
70 published quizzes across 15 topics, 701 questions in total. Every one is researched, written and checked by hand.
How difficult are they?
The mix here is 25 easy, 33 medium and 12 hard. Difficulty is about how obscure the answers are, not how fast you have to be — there is no timer on any quiz.
How long does one take?
About 7 minutes on average, ranging from 6 to 9. Playing every quiz in this section would take roughly 8 hours.
Do I need an account?
No. Every quiz is free and playable straight away. An optional free account only saves your scores across devices.
Do you explain the answers?
Yes — every question has a short explanation of why the right answer is right, shown the moment you answer, whether you got it or not.