AdLit
Ad lit.org: Guide: Tracking Trash: Flotsam, Jetsam and the Science of Ocean Motion
Part of Houghton Mifflin's excellent Scientists in the Field series Tracking Trash introduces Dr. Curtis Ebbesmeyer, a "trash tracker", who studies where trash goes when it is "spilled" in the ocean, to determine the direction of ocean...
University of Michigan
University of Michigan: Animal Sign Guide
Use this guide to help you identify signs from different animals in the wilderness. Identify tracks, chew marks, signs from animals that build, eggs, and the like.
National Geographic
National Geographic: Build a Magnetometer
Hands-on project where the learner constructs a magnetometer to monitor and measure changes in earth's magnetic field. These changes can then be used to track solar storms.
Texas Instruments
Texas Instruments: Science Today: Clearing the Bar
In this activity, students will explore the effects of two critical physical factors on potential success in the pole vault event in track and field.