Executive producers, Andrew Schlessinger & Tracy Mitchell.
In English and Spanish.
Closed-captioned for the hearing impaired.
In its 4.5 billion-year history, the earth has undergone a great number of changes. Trace the evolution of the earth, peek deep inside at the varied layers, and examine how climate affects regions over time.
Special features: discussion questions & activities ; investigation data sheet ; chapter select.
Writer, Jim Walker ; music, The Hollywood Edge Powerhouse Music.