As part of a larger online exhibit on fossils and what fossils are, this site specifically deals with the formation of fossils. A six-step, detailed chart is provided with specific information explaining each step.

As an online exhibit on meteorites, this site discusses the primary types of meteorites including iron meteorites, stony-iron meteorites, and stony meteorites.

This particular site is part of a larger online exhibit from the Natural History Museum covering various aspects of fossils and fossil research. Here, seven types of fossils are listed and each type is given a picture representation.

Part of an online exhibit on bats, this section focuses on bat senses: sight, olfaction (smell), echolocation, and hearing.

The information provided at this site is part of a larger online exhibit centered on fossils and fossil research. The shark tooth is listed as one type of fossil and here it is pictured and described.

Brief article examines what meteorites are, the different types, and where they came from.