The Magic School Bus and the Science Fair Expedition is the eleventh book in the original book series.
The students are agonizing over the upcoming science fair. A field trip to the nearby science museum provides inspiration and in the galleries. They discover a model school bus which conveys them back in time where they meet famous scientists such as Galileo and the Curies and witness pivotal discoveries.
- This book is the first one in the original series to include more modern technology such as flat panel monitors when it comes to computers.