Two children and their cat learn all about the properties of the sun.

Discusses earthquakes, including the causes, how to stay safe during one, where they happen most frequently, and what happens when an earthquake occurs.

A brief introduction to coral reefs, including where they are found, how they grow, what lives in them, their importance, and efforts being made to protect and restore them.

A survey of the earth's rocks and minerals explores some of the ways they have been transformed into usable materials from talcum powder to silver jewelry, in a reference complemented by a bonus activity suggestion.