K3 Science Games
Free science games for K3 (ages 5–6), each with a suggested starting level.
Mammal, bird, reptile, amphibian, fish or insect?
Start with: 4 groupsParts of a plant, seeds, pollination and photosynthesis.
Start with: Parts of a plantTen new trivia questions every day, plus practice quizzes.
Start with: Easy (ages 5–7)Fly round an animated solar system, discover every planet and complete rocket missions.
Start with: EasyChange the temperature, humidity and wind to make rain, snow, rainbows and storms.
Start with: EasyScience in K3
K3 is when many children start to read and work with numbers. These games give five- and six-year-olds quick, playful practice with the skills they are learning in class.
- Look things up together after a game. Find the countries on a map or the planets in a book.
- Ask “why?” questions. Why is a whale a mammal? Why is Venus so hot?
- Connect facts to real life: spot birds, insects and reptiles on your next walk.
Frequently asked questions
What science should my child know in K3?
In K3, children explore living things, materials, the Earth and space, and how things work, asking questions and testing ideas. Games like these make the key facts and vocabulary stick.
Are these K3 science games free?
Yes. Every game is free to play in the browser, with no download and no sign-up needed.
Which level should a K3 child start on?
Each game on this page shows a suggested starting level for K3. Move up a level after getting three stars two or three times in a row.
Extra help with K3 science
Success Tutoring tutors help children build confidence and get ahead in science.