This superb site has detailed information about the composition of the atmosphere, how it is always changing, how it protects life on earth, and the destructive impact human activity has on it. There is an atmosphere design lab, as well as sections on atmospheric researchers and teacher resources.

This forensics anthropologist probes into the stories bones can tell about the environment, the life and the death of the past. [29:15]

An ornithologist from the National Museum of Natural History shares her research studying birds that have been struck by airplanes. Find out what can be learned from these studies. [27:45]

Smithsonian Education presents "Fossils: Footprints Across Time." Teachers can download this teaching package that introduces students to the study of fossils. Students will discover what fossils can teach us about the Earth as it was millions of years ago. In addition, they will also learn how paleontologists organize their findings into time charts to give us a better picture of Earth's geologic history. Students will enjoy the hands-on activities described in the lessons. Teachers will appreciate the student handouts provided, as well as the list of resources.

A site including lesson plans, photographs, and text about the offices of yesterday and those of today. Topics discussed include office equipment, office organization, globalization, and technology. Also included is an historical timeline of "corporate milestones" and lesson plans.

Plants have migrated around the world just like people. This site explains how several African plants and food crops made their way into American life.

Many components of a portrait of George Washington have been removed. You need to uncover them with the red spyglass. As you find each piece you will learn how it plays an important roll in the value of the painting and why the artist put it there.

The National Portrait Gallery provides this opportunity to view 12 portraits of George and Martha Washington from his Presidential years. Information of each portrait is available.

This site provides a detailed overview of pandas, and focuses on Mei Xiang & Tian Tian at the National Zoo. Content includes information on panda habitat and current conservation efforts, as well as including photos, live web cams, and more.

To the people of Madagascar woven cloth is more than just something nice to wear. Come explore the topic of textiles and their importance to these African people.

This complete site presents a wealth of information in fact sheet format. In addition, find out how Native Americans viewed the Gila monster and how a component of its venom is being investigated as a possible drug to treat type-2 diabetes.

In this webcast, Dr. Brian Huber, paleontologist, explains why tiny organisms called foraminifera are great indicators of changes in global environmental conditions. [29:16]

The volcano Krakatau is in Indonesia. Learn about its background information, description, frequently asked questions, items of interest and useful links.

A lot of links to Popocatepetl in Mexico. You can link to background information, graphics and images, items of interest, menu of interest and useful links.

The Smithsonian Institute presents a searchable database on volcanoes of the world. Search by region, volcano name, or eruption date. There is also a chronological list of large eruptions during the last 10,000 years.

As part of the Primates exhibit at the National Zoo, this site highlights various facts and interesting information on the Golden-Headed Lion Tamarin. In addition to several pictures, the site provides a description and information on habitat, diet, reproduction, and more.

Attack the Knack — investigates student motivation in science, and explores how the types of feedback students receive can influence self-perception, effort, persistence and learning. Explore the research: http://s.si.edu/1IwH5zS

Chemical Reactions in Action — explores student misconceptions about atoms, molecules, and chemical reactions and provides practical advice for pedagogical approaches. Explore the research: http://s.si.edu/1IwH5zS

Looks at how students learn both in and out of school, and how teachers can tap into misconceptions to facilitate the formation of new ideas. [6:26]

Fired Up About Energy – explores common student misconceptions related to the study of energy and suggests methods for effectively representing and discussing the topic in the classroom. Explore the research: http://s.si.edu/1IwH5zS