Explains how and why a thunderstorm occurs and gives safety steps to follow when lightning is flashing.

Discusses why earthquakes happen, what their sometimes devastating effects can be, where the danger zones are, and what measures people can take to safeguard themselves.

29,028 feet tall and still growing?! Even though Mount Everest measures 29,028 feet high, it may be growing about two inches a year. A mountain might be thousands of feet high, but it can still grow taller or shorter each year. Mountains are created when the huge plates that make up the earth's outer shell very slowly pull and push against one another. Read and find out about all the different kinds of mountains.

Describes the formation and characteristics of igneous, metamorphic, and sedimentary rocks and how to recognize and collect them.

Describes how magnets work and includes instructions for making a magnet and a compass.