"geo-logic"

Re-create Life in One of the Most Ancient Geologic Eras

Examine the Mineral Composition of Metamorphic Rocks.

Give Your Students a Lesson in Economics as Well as Geology

Ideal learning tool for introductory geology classes.

Geometric Shapes and Structures of Crystalline Minerals.

Thirty-two hand selected plant and animal fossils with a classroom activity set.

Designed by Professionals for Professionals

The Jolly Logic Altimeter analyzes flight altitude, acceleration, top speed, flight duration, and six other important flight statistics.

Clearly reflect images for lessons on symmetry, congruency, lines and planes.

Dynamically explore The Earth on a web browser!