English or Spanish dialogue; closed-captioned, subtitled for the deaf and hard of hearing.
Title from container.
Host: Bill Nye.
Grade level: 4 and up.
This episode finds Bill Nye going to the depths of the Earth (literally) to explain how the Earth's surface and its inner mantle differ.
Special features: Fully indexed "chapters" correlated to National Science Standards; interactive glossaries and quizzes; bonus footage of never-before-seen segments, interviews and demos; on-disk implementation guide.