PBS
Jean Michel Cousteau: Ocean Adventures: Whale Navigation
Interesting site explores how whales navigate the waters without a sense of sight. Learn about the noises they use to communicate to migrate.
Smithsonian Institution
Kids'castle: The Tail of the Whale
A great article abstract about Orca whales. Use this site to learn how whales travel great distances, and about the personal struggle of one baby orca.
University of Houston
University of Houston: Engines of Our Ingenuity: No. 381: Civil War Submarine
A short discussion about the invention of the submarine and its use by both the Confederates and the Federals in the Civil War. This is a transcript of an accompanying radio broadcast.
Text Project
Text Project: Fyi for Kids: Counting Endangered Animals [Pdf]
This FYI for Kids (Volume 5, Issue 2) article focuses on counting endangered animals including how they count them and why. It uses two examples of the use of modern technology to count endangered animals: panthers and humpback whales.