In this virtual field trip students learn about the formation of tornadoes. Students also visit websites where they can research various types of information about tornadoes.

Browse pictures of severe storms, such as blizzards, cyclones, ice storms, and typhoons, while exploring the causes and often dangerous effects of these natural weather phenomena.

A student learning module with a focus on the relationship of temperature and salinity with density, ocean-influenced weather patterns, and how light and sound move through ocean water.

Fourth graders explore the erosive effects of waves, streams, glaciers, and wind.

[Free Registration/Login Required] Students read about different types of March weather including: clouds, blizzards, thunder, lightning, and rainbows. A question sheet is available to help students build skills in cause and effect.

Learn about acid rain and the devasting effects it has on the U.S., particularly on our nation's capital and monuments.

Windows to the Universe offers information on the Earth's atmosphere. The site contains links to a weather crossword puzzle and images.

Through this resource, students explore the history, causes, effects, and patterns of El Nino.

Want to know what the current weather conditions are in space? Find everything here you may want to know about the latest solar flares, sunspots, asteroids and more. Site also includes essential web links to quench any user's thirst for...

A discussion of the interactions between the four spheres of Earth and how they affect weather and climate. The slideshow is divided into two parts. The first deals with interactions between the atmosphere and the hydrosphere and the...

Learn about the study of the Sun's influence on the solar system called Heliophysics. This site contains videos on topics like Space Weather, Solar Variability, the Heliosphere, Earth's Magnetosphere, and the Earth's Upper Atmosphere.

In this activity, students explore the effect of chemical erosion on statues and monuments. They use chalk to see what happens when limestone is placed in liquids with different pH values. They also learn several things that engineers...

The day after Hurricane Katrina hit the Gulf Coast, article discusses the conditions of New Orleans and other areas effected. Article is from August 30, 2005.

USA Today presents a regularly updated archive of El Nino and La Nina stories, descriptions, and overviews. An excellent resource to learn what these storms are, how they began, and their onging history.

Students are introduced to the concept of air quality by investigating the composition, properties, atmospheric layers and everyday importance of air. They explore the sources and effects of visible and invisible air pollution. By...

Excellent discussion and illustration of the water cycle.

Excellent discussion and illustration of the water cycle. Explained in an easy to understand format.

Welcome to Planet Ark's daily Reuters World Environment News - the most comprehensive source of environmental news on the Net. To read previous news stories, please use the search engine below to find stories relating to any...

A discussion from the Oklahoma Climatological Survey of the thermal factors effecting the movement of air masses in the atmosphere. Numerous topics such as methods of heat transfer, latent heat, phase changes (including sublimation and...

NOAA has produced a series of topic papers for use by teachers and students. This paper is on the increase of radio wave activity and the effects solar emissions have on it. PDF format.

A comprehensive guide to climate change in Canada. This site offers both a national look and then looks at the implications of climate change on specific regions and provinces.

A thorough explanation of acid rain with a focus on the following topics: what is acid rain, the pH scale measures acidity, what does acid rain do, and what can I do about acid rain.

Animated resource helps young researchers understand what global warming and the greenhouse effect mean.

The earth has some unusual properties that make its' weather suitable for life. This activity allows you to change four properties (earth's size, rotation speed, angle of the sun, and ocean size) to see what effects they would have on...