Contains plans for seven lessons that teach students to use more expressive synonyms in their written and oral language. In addition to objectives and standards, this instructional plan contains printable resources for the lessons as well as an interactive and assessment and reflection activities.

This activity is used to practice making tables for investigating a geometrical problem and to develop techniques for trying different constructions to prove a theorem.

This activity can be used as a formative assessment review of algebra and coordinate geometry.

Instructions for making paper peace cranes and directions on how to share the story of the peace crane.

Twelve of Vincent Van Gogh's paintings of fields and trees are on view at this page from the Webmuseum. The enlarged views show the actual texture of the paint. "Wheatfield with Cypresses" has a link to a detailed description and connects to related artists.

Did you know the ancient Greeks first identified the three states of matter? Read about how the molecules differ in solids, liquids, gases, and plasma. View photographs and watch how the molecules move in each state. If you're really interested, read about a recently discovered fifth state of matter!

In this adapted video segment, ZOOM guest Laura shows us some of the natural features of Yellowstone National Park, including geysers, hot springs, fumaroles, and mud pots, as well as some of the wildlife.

Contains plans for three lessons to improve reading comprehension using a visualizing strategy called sketch-to-stretch. In addition to objectives and standards, this instructional plan contains links to sites used in the lessons as well as assessment and reflection activities.

Contains plans for two lessons that ask students to compose their own vocabulary lists by selecting words that are unfamiliar to them. In addition to objectives and standards, this instructional plan contains links to sites used in the lessons as well as assessment and reflection activities.

This article provides an overview of the free online tool VoiceThread and discusses how elementary teachers might use it in language arts and science classes. Resources provided.

Volcanoes are one of the most dynamic, powerful, and visible forces on Earth. This interactive resource adapted from the National Park Service uses images to describe different types and parts of volcanoes, volcanic rocks, magma, and where volcanoes form.

Contains plans for an eight-lesson cross-curricular unit that uses the history of voting to teach reading and research skills. In addition to objectives and standards, this instructional plan contains links to sites used in the lessons as well as assessment and reflection activities.

In this activity, students use a motion detector to create Distance versus Time graphs. They experiment with various Distance-Time graphs and write mathematical descriptions of motion with constant velocity.

This video segment adapted from Last Oasis explores the use of new dams as a way to provide or store water. In the 1990s, the city of Denver was looking for a new source of water for its growing population, and its plan to build a new dam suddenly became highly controversial.

Students are asked to explain how climate and extreme weather events affect people's lives in this writing exercise provided by Science Now!

Read the incredible story of Cabeza de Vaca in his own words. He tells of his many years-long journey across the South, and writes as an ethnologist about the Native Americans he encounters. A fascinating account!

This site from PBS contains a transcription of the three documents concerning the purchase of Louisiana from France. There is a link to other documents.

On this PBS website you can read the text of the Supreme Court ruling on the legality of the removal of the Cherokees from Georgia by the Georgia legislature and Georgia's prosecution of a man living on those lands.

A variety of pictures are provided to help study many economic concepts. Could be a good classroom activity.

Air Canada is Canada's largest airline carrier. Founded in 1937, its history and expansion are traced on this site.