However , she accidentally drives the bus into the water , and the bus freezes .
Ms. Frizzle thinks it is fitting to learn about heat in the land of ice and cold , so she takes the class to the Arctic .
Frizzle accidentally drives the bus into the water , and the bus freezes .
Ms. Frizzle thinks it is fitting to learn about heat in the land of ice and cold , so she takes the class to the Arctic .