Another A+ lesson on the impact of climate change comes to you from the National Earth Science Teachers Association. In this installment, learners model the stratification of water in lakes due to temperature differences. The lab also...

Lesson 4 is part of a 22 lesson plan unit on boat safety and water sports. This lesson plan is about dangerous sea creatures, mainly in the ocean. There is a link to find pictures of the creatures discussed. It is suggested to click...

Students examine relationships and interactions between different types of water. They experiment with colored water of different temperature and salinity and discuss how the results relate to real ocean currents.

Despite seventy percent of the world's surface being covered with water, there is a potential shortage of this natural resource. Only a small percentage is fresh water and much of that is inaccessible or threatened. Learn about fresh...

A comprehensive exploration of rivers and lakes, their importance to biodiversity and to humans, how we use them, threats they face, and what is being done to conserve them.

A massive amount of information about groundwater. Topics covered include groundwater basics, humans and groundwater, groundwater quality, and its place in the water cycle. Includes true-and-false quiz and a Q&A section, as well as a...

How can you learn to build your own watershed? This site features an activity to illustrate the basic properties of a watershed. Don't miss out.

An interactive lecture where students discover that although the world is approximately three-fourths water, much of that water is inaccessible, or unfit for human use.

Discover why water is so important, especially clean water. Find out where water comes from and how we can make it safe to drink and free from pollution.