This activity allows students to better understand aquifers and the issues of climate, spring flow, environmental protection, and water use. The activity centers around a constructed ground-water system and contains vocabulary, materials, procedures for two labs, data sheets and information on analyzing the data. Full description.

This site provides an overview of the earth's atmospheric greenhouse effect by briefly exploring the atmospheres of nearby planets and discussing the greenhouse gases of our atmosphere. Information at this site helps students to understand that the greenhouse effect is what makes this planet suitable for life as we know it and that the earth's atmosphere contains trace gases, water vapor, carbon dioxide, ... Full description.

This demonstration is designed to show the effect of acid on statues and buildings. Students will learn how acid rain is an air pollution problem as the teacher discusses the slow deterioration of statues and buildings due to the weak acid rain that falls on them. Students will learn that the sulfur and nitrogen compounds that contribute to acid rain primarily come from man-made sources, such as industries ... Full description.

Web Weather for Kids offers hands-on classroom activities for students to learn about selected severe weather phenomena. Each activity has step-by-step instructions, materials lists, and guiding questions for students. A Teacher Tips page offers implementation strategies for teachers. Phenomena covered include the formation of thunderstorms, lightning, and tornados. Students explore the concepts of ... Full description.

This site, from the Miami Museum of Science, provides an overview of the basic scientific concepts behind a hurricane. A collection of projects allows students to build their own weather station. These include making a psychrometer to measure air humidity, wind spirals, chimes, a wind scale tool to measure wind speed, a wind scale streamer to measure wind direction, and a barometer and air pressure ... Full description.

The Gulf of Maine Aquarium hosts this two-part activity. The focus is on seasonal changes in the mass balance of the Antarctic Ice Sheet. Part 1 uses an atlas and satellite imagery to examine the geography of the region and the changing boundaries of the ice sheet. Part 2 tracks annual changes in sea ice. There is an animation page showing changes in ice cover around Antarctica during 1991, and links ... Full description.

This site contains a series of six posters all relating to water education: wetlands, water use, waste water, navigation, ground water, and water quality. Each poster includes information about the topic as well as related classroom activities. The objective of the water-resources education program is to stimulate interest in and provide a basic knowledge of water resources for students in grades ... Full description.

The goal of the PALEOMAP Project is to illustrate the plate tectonic development of the ocean basins and continents, as well as the changing distribution of land and sea during the past 1100 million years. In the section on Earth history you can select any time period, read about that period, and see the plate distribution during that period. There is also a section on climate history where you can ... Full description.

Virtual Earthquake is an interactive web-based program designed to introduce the concepts of how an earthquake epicenter is located and how the Richter magnitude of an earthquake is determined. Virtual Earthquake shows the recordings of an earthquake's seismic waves detected by instruments far away from the earthquake. The instrument recording the seismic waves is called a seismograph and the recording ... Full description.

This site allows teachers to use data from ocean drifting buoys to integrate ocean science into their classroom science and math instruction. It offers educational activities and curriculum materials developed and tested by teachers. Lesson plans on currents, moving water, building and tracking drifters are also available. Alternatively, educators may opt to use only the data, background information ... Full description.