Is the science quiz free?

Yes. Every quiz on Exampractice is completely free — no payment, no subscription and no adverts. No account is needed to play; sign in whenever you like and your scores, streak, level and friends are kept across devices.

How many questions are there and how long does it take?

A set is 10 questions with 15 seconds each, so a full round takes under three minutes. Questions run from easy to hard and no two sets are the same.

How is the quiz scored?

Easy questions are worth 100 points, medium 200, hard 400 and extra hard 800. Consecutive correct answers add a streak bonus of up to 15%, and in Quick Play a fast answer adds up to 20% more.

Can I play against friends?

Yes. Add friends with their code and you see each other’s scores on every set, or start a group for your office, family or pub team with a fixed number of rounds.

Do the questions get harder?

Yes. Everyone starts on Starter sets and unlocks Regular, Advanced and Expert mixes by finishing sets accurately — extra-hard questions only appear from Advanced onwards.

Free Science Quiz

Chemical symbols, the bones in your ear, what a light-year measures and which planet spins the wrong way. Science questions are the ones people are surprised to still know — and surprised to have forgotten.

This week

Be the first on the board this week

Difficulty

4 levels

Starter to Expert · easy, medium, hard and extra hard

What the science quiz covers

Easy questions cover school science; harder ones reach into units, elements, famous experiments and the scientists behind them.

Chemistry: elements, symbols and reactions
Physics: forces, energy, light and units
Biology and the human body
Famous scientists and discoveries

How it works Full rules

1. Ten questions, easy first. Every set runs from easy to the hardest your level allows, 15 seconds each.
2. Points for difficulty, speed and streaks. 100–800 points a question, up to +15% for a streak and +20% for a quick answer.
3. Same set, other people. Your score lands on a board with everyone who played that set, and on the weekly world board.

Sample science questions

A few from the easier end. In the game you get four options and 15 seconds.

By what name is the Aurora Borealis more commonly known?
- The Pritzker Prize
- The US Republican Party
- The Anglican Church
- The Northern Lights
Show answer
The Northern Lights
What part of the eye controls how much light enters?
- The heart
- The spleen
- The iris
- The hamstrings
Show answer
The iris
What's the hardest natural substance on Earth?
- Diamond
- Jupiter
- Carbon
- Adrenaline
Show answer
Diamond
By what process do species change or become new species over time?
- Evolution
- Superposition
- Eureka
- Triton
Show answer
Evolution
Which part of the eye appears as a dark circle in the center of the iris?
- The pancreas
- The pupil
- The spleen
- The bladder
Show answer
The pupil
What branch of science studies the Earth's rock structure and history?
- Geology
- Neon
- Reflection
- Work
Show answer
Geology

Also try

Questions people ask

Is the science quiz free?: Yes. Every quiz on Exampractice is completely free — no payment, no subscription and no adverts. No account is needed to play; sign in whenever you like and your scores, streak, level and friends are kept across devices.
How many questions are there and how long does it take?: A set is 10 questions with 15 seconds each, so a full round takes under three minutes. Questions run from easy to hard and no two sets are the same.
How is the quiz scored?: Easy questions are worth 100 points, medium 200, hard 400 and extra hard 800. Consecutive correct answers add a streak bonus of up to 15%, and in Quick Play a fast answer adds up to 20% more.
Can I play against friends?: Yes. Add friends with their code and you see each other’s scores on every set, or start a group for your office, family or pub team with a fixed number of rounds.
Do the questions get harder?: Yes. Everyone starts on Starter sets and unlocks Regular, Advanced and Expert mixes by finishing sets accurately — extra-hard questions only appear from Advanced onwards.