Describes the role that collisions with meteors, comets, and asteroids have played in the history of Earth and other planets in the solar system and examines what is being done to protect Earth from future collisions.
The kids in Ms. Frizzle's class learn lessons about space rocks when they board the Magic School Bus, now a space-bus, to try to head off a huge asteroid that is heading directly for Walker Elementary School.
Describes in simple terms the meteors, comets, and asteroids that are part of our solar system and discusses the various theories concerning their origin and their effect on life on Earth.
