Fun online KS1 and KS2 science games for kids

Fun science games to play online

Illustration of a young boy at a desk, using a ruler and pencil to take a measurement.

Make learning science lots of fun with these online science games from BBC Bitesize. Each science game is designed for school children with an aim to help improve their science knowledge and skills.

Our cool science games are suitable for children in key stage 1, key stage 2 and key stage 3 in England and Wales, First to Third/Fourth levels in Scotland or P1 to Y10 in Northern Ireland.

You can play our fun Bitesize primary games and secondary games at home or in the classroom so choose one of our fun science games below and get learning!

Key stage 1 science games

Galaxy Pugs

Join the Pug Star in this fun online KS1 science game set in space.

Put your science skills to the test as you help the Galaxy Pugs explore the planet. Answer questions about plants, food chains, the human body, objects and materials and much more!

Dinosaur Discovery

Put your primary science skills to the test as you make predictions, use scientific equipment and perform experiments to find the answers to lots of questions about dinosaurs!

As you play this KS1 science game, you will be working scientifically to become a dino expert!

Seymour Science: Smashing Seasons

Practise your KS1 science skills by joining Seymour Science and his friends in his garden to explore the seasons: spring, summer, autumn and winter.

Learn what makes each season special, compare seasonal changes and see how they affect animals and the weather.

Key stage 2 science games

Science Bots

Test your KS2 science skills as you help the Science Bots complete their experiments. Answer questions about Earth and space, electricity, sound, magnets and many more science topics, in this fun science game in space.

Operation Ouch! It Takes Guts

Travel through the different parts of the human digestive system and use your KS2 science knowledge to explore their functions.

With Dr Chris, Dr Xand and Dr Ronx, you need to travel through the digestive system from the mouth… to the bum!

Operation Ouch! Billy Bones and the Snot Zombies

Put your knowledge of the human skeleton to the test as you search the hospital with Dr Chris, Dr Xand and Dr Ronx, to collect Billy’s bones and put him back together.

Collect rib-tickling bone facts along the way to help you learn more!

Operation Ouch! Billy Bones and the Snot Zombies

Earth Squad, Go!

Build and test your KS2 science skills as you play this BBC Bitesize science game. Join the Earth Squad and use your knowledge of the living world to help answer questions about plants, animals and humans.

Collect stars as you go to unlock cool outfits to dress your character and move from squad rookie to squad pro!

Junkateers

Join Jack, Sam and Jo on their mission to tidy up the planet in this fun KS2 science game. Build and test your science skills with different missions.

Learn and practise your knowledge of magnets, scientific methods and electric circuits.

Seymour Science: Lights, Sound, Power!

Play this interactive game to practise your lower KS2 science skills and learn all about light, sound and electricity.

Join Seymour Science in his workshop and use your science skills to help Seymour and his friends to get ready for their new show.

Horrible Science: Stinky Space

Practise your Key Stage 2 skills around Earth and space with Horrible Science.

Play this interactive game and join Pipette on her epic mission through the Solar System. Find the perfect planet, collect aliens and learn some revolting facts about space along the way!

Food Chain Challenge

Key stage 3 science games

Atomic Labs

Get hands-on with KS3 science investigations in this BBC Bitesize science game, Atomic Labs! Conduct science experiments from twelve different topics, across all three science practices of physics, biology and chemistry.

More Bitesize games

We have loads more games to play for all of your favourite subjects.