Use the help links below to enable Flash in your web browser:

Unfortunately your device probably doesn't support Flash.

This resource was created by a third party. All of the games and resources Topmarks creates are tablet-friendly!

Close Help

Microorganisms

Spot the micro-organisms at work in the scene and find out more about each type. Can you sort them into good and bad micro-organisms?

Science Game

View Fullscreen 9-11 year olds

Topmarks - primary resources, interactive whiteboard resources, and maths and literacy games