Earth / Van Rose, Susanna

Explores the secrets of the Earth, answering such questions as what is at the center of the Earth? Why is sea water salty? How was our atmophere created? What does the ocean floor look like?.

A microscopic black hole has accidentally fallen into the Earth's core and the entire planet is in danger of being destroyed within two years.

Explores the secrets of the earth, and discusses questions such as what is at the center of the earth, why the sea is salty, how the atmosphere was created, and what the ocean floor looks like.

Introduces basic facts about geography, weather, and the composition of the Earth with instructions for related experiments and projects.

Explores the secrets of the Earth, answering questions about the what lies beneath the Earth's crust, why sea water is salty, what the ocean floor looks like, why Africa is splitting apart, and other topics.