On a special field trip in the magic school bus, Ms. Frizzle's class learns first hand about different kinds of rocks and the formation of the earth. With CD.
Dorothy Ann loves her physics book. Ralphie loves baseball. Ms. Frizzle combines the two in a "Frictionless Baseball Game" and the whole class learns about pushes and pulls.
Arnold accidentally swallows his miniturized classmates and he becomes the field trip. Arnold's digestive system is full of twist, turns and surprises.
