On another special field trip on the magic school bus, Ms. Frizzle's class learns about the ocean and the different creatures that live there.

A special field trip on the magic school bus allows Ms. Frizzle's class to get a first-hand look at major parts of the human body and how they work.

When Ms. Frizzle, the strangest teacher in school, takes her class on a field trip to the waterworks, everyone ends up experiencing the water purification system from the inside.

Ms. Frizzle and her class explore the senses by traveling on the magic school bus in and out of an eye, ear, mouth, nose, and other parts of both human and animal bodies

When Arnold wishes he had more information for his family tree, Ms. Frizzle revs up the Magic School Bus and the class zooms back to prehistoric times. First stop: 3.5 billion years ago! There aren't any people around to ask for directions. Luckily Ms. Frizzle has a plan, and the class is right there to watch simple cells become sponges and then fish and dinosaurs, then mammals and early primates and, eventually, modern humans. It's the longest class...

Describes the life cycle of a trout from the laying of eggs in a hatchery to maturity