When their class project for Ocean Awareness Day falls into Ms. Frizzle's fish tank, Tim and his classmates board the Magic School Bus with their teacher for a real underwater adventure.

Ms. Frizzle's class swims in a fish tank and a coral reef.

When the class project on coral reefs accidentally falls into the aquarium, Mrs. Frizzle and the class take a field trip and learn all about the Great Barrier Reef and the amazing creatures that claim it as their home. Illustrations.

When CatKid goes on a field trip to an aquarium and the teacher announces a prize will be given to the winner of an underwater treasure hunt, CatKid is determined to win with her best friend Maddie's help.

When CatKid goes on a field trip to an aquarium and the teacher announces a prize will be given to the winner of an underwater treasure hunt, CatKid is determined to win with her best friend Maddie's help.