Volcanism
Volcanic eruptions are the clear and dramatic expression of dynamic processes going on in planet Earth. The author, one of the most profound specialists in the field of volcanology, explains in a concise and easy to understand manner the basics and most recent findings in the field of volcanology.
Digtal Microscope
| Reticulite Reticulite is basaltic pumice in which nearly all cell walls of gas bubbles have burst, leaving a honeycomb-like structure. Even though it is less dense than pumice, reticulite does not float in water because of the open network of bubbles. The delicate glass threads between the bubbles are so fragile that reticulite was first called "thread-lace scoria" by the great American mineralogist, James Dana. It has also been called limu .  |
Volcano & Earthquake DK Eyewitness Books
Eyewitness Books provide an in-depth, comprehensive look at their subjects with a unique integration of words and pictures.
Learning Resources Gears! Gears! Gears! Oogly Googly
Includes motor and hand control, gears, springs, connecting blocks, two claws, and three eyeballs.
