Noaa: National Ocean Service: Tides Online

A great resource for explaining and understanding tides. Find out what tides are and why it is so important to monitor them. This is an extensive tutorial followed by a set of review questions. All of the information can be downloaded as...

Illustrated tutorial explains the numerous factors which shape ocean currents. Animations help students visualize how these aspects constantly affect the water movement in the ocean and how scientists use this information to study ocean...

Illustrated tutorial explains nonpoint source pollution and its role in the health of the environment. Students learn about different sources of pollution and how these pollutants contaminate the land, air, and water. Click on the links...

Illustrated tutorial explains the history and science of geodesy. Animations help students visualize how scientists measure and monitor the size and shape of the Earth and the location of points on its surface.

Illustrated tutorial explains estuary ecosystems. Animations and illustrations help students become more familiar with the plant and animal communities which make up this coastal habitat.

The National Weather Service presents this comprehensive site on lightning. Learn how lightning is created, what makes the sound of thunder, and ways to be safe during a storm. Learning lessons, frequently asked questions, and review...

Here's a comprehensive list of lesson plans offered by the National Weather Service covering the gamut of weather topics from the atmosphere to synoptic meterology. The plans include objectives, supplies necessary for the lesson, teacher...

Online school for weather presents a complete guide to the ocean and its effect on our weather such as El Nino, hurricanes, floods, and droughts. Explores layers of the ocean, sea water, waves, tides, rip currents, and more. A review...

Online school for weather presents an abundance of information about tsunamis. Explore how they form, where they occur, how to prepare for one, and how to survive one. A review quiz and lesson plans are included for further enhancement...

Online school for weather presents much information about clouds. Discover how they form, the different types, their colors, and more. A review quiz and lesson plans are included for further enhancement of the topic.