A student demonstration which illustrates that rotating water has a curved surface called a parabola.

The USGS explains the definition of a river and how a river is supplied with water. Included is a cross section of a river. Click Home to access the site in Spanish.

Science Bob presents instructions for a science demonstration of how to build a soap-powered model boat using common supplies with information on how it works.

Making your own bubble solution is fun, but sometimes the bubbles don't seem to work as well as the solutions you buy in the store. In this experiment you can test if adding corn syrup or glycerin to your bubble solution will make it...

Students simulate a sinkhole, and discover the geological catalysts that happen beofore sinkholes occur.

[Free Registration/Login may be required to access all resource tools.] Wind picks up water and forms ocean waves that travel along the surface.

Explains what is meant by the deposition of sediments by wind and water and provides examples of the resulting landforms.

Students identify the watershed they live in and study the pathway of surface runoff which ultimately becomes the source of water used at home,

Watch Scientist Joe fashion art out of water, paint, and surface tension. Links to video of the experiment.

Students are challenged to create a submarine that will dive down through the water and come back to the surface. This site includes the challenge, tips, a lesson plan, and a place for students to document their engineering design process.

This tutorial by Bill Nye explains how to create a tool for looking through the surface of water without being thwarted by reflections.