Visit to An Ocean Planet: Earth's Hydrologic Cycle
The hydrologic cycle is the continual movement of water from one place to another and from one state of matter to another. This site describes a demonstration in which a teacher or small group of students constructs a simple model of the hydrologic cycle. Written instructions and a list of materials are provided. A short list of links to related topics and a vocabulary are also included.
Rukkileib meie laual
Voldik (pub ja pdf formaadis), mis räägib rukkileiva kasulikkusest, ajaloost. Sisaldab vanasõnu, huvitavaid fakte ja retspete.
Snakes On A Plain
Field ecologist Bruce Means shows off an Eastern diamondback rattlesnake (Crotalus adamanteus) that he caught near Tallahassee, Fla. (2:13)
Leopard Flatworm swimming thru the Bermuda reef
Washington Crossing the Delaware
© 2000–2016 The Metropolitan Museum of Art. All rights reserved.
Begrippen : Inkoopprijs, verkoopprijs, winst en verlies Een presentatie rond de begrippen 'inkoopprijs, verkoopprijs, winst en verlies'. Via voorbeelden worden de begrippen uitgelegd aan de leerlingen.
Een presentatie rond de begrippen 'inkoopprijs, verkoopprijs, winst en verlies'. Via voorbeelden worden de begrippen uitgelegd aan de leerlingen.
Stressed and Strained
Students are introduced to the concepts of stress and strain with examples that illustrate the characteristics and importance of these forces in our everyday lives. They explore the factors that affect stress, why engineers need to know about it, and the ways engineers describe the strength of materials. In an associated literacy activity, while learning about the stages of group formation, group dynamics and team member roles, students discover how collective action can alleviate personal feeli
Fusion: Testing the First Hydrogen Device
This video segment adapted from AMERICAN EXPERIENCE features original footage of the U.S. test of the first hydrogen device, code-named "Mike", that would trigger thermonuclear fusion.
Ingredients for Life: Carbon
This video segment adapted from NOVA illustrates why carbon is at the center of life on Earth. It also asks whether carbon-based life might exist on other planets.
Little Rock Nine
This collection of photos shows scenes from the controversial desegregation of Central High School in Little Rock, Arkansas in 1957.
A Class Divided 3: An Interview with Jane Elliott
In this Web-exclusive interview for FRONTLINE, Jane Elliott discusses her abiding sense that her lesson on bigotry is as necessary today as it was in 1968.
Excerpts from the March on Washington, Part 2
This audio compilation, recorded live at the 1963 March on Washington, pays tribute to the women -- both leaders and widows of slain leaders -- of the Civil Rights movement.
A nonsense sentence is provided and children are required to work out the answers to some questions.
Song in the Curriculum
This teaching resource is aimed at higher level. It includes two methodologies which enable students to engage a number of syllabus requirements simultaneously: one on the general theme of teaching by topic; the second a specific lesson plan for one particular song.
"A Less Reliable Form of Birth Control": Miriam Allen deFord Describes Her Introduction to Contracep
Despite major cultural, legal, and medical impediments the use of birth control, including abortion, by American women was widespread at the turn of the century. In their quest to control unwanted pregnancies, American women could be surprisingly resourceful in the methods they used. In this audio excerpt from a 1974 interview with historian Sherna Gluck, Miriam Allen deFord described methods of birth control in vogue in the 1910s, including spermicides, douches, the Dutch pessary (an early diap
"I Am Obliged to Reside in America": A Gay Immigrant Tells His Story in 1882
The reasons immigrants had for leaving their homelands and coming to America were as diverse as the backgrounds of the immigrants themselves. Although most immigrants came to the United States for economic reasons some sought a new home because of persecution based on their politics, religious beliefs, or even their sexual orientation. In this 1882 letter sent to medical writer and sexologist Dr. Richard von Krafft-Ebing, a thirty-eight-year-old German-born merchant explained how a homosexual ar
"I Always Had Pads with Me": A G.I. Artist's Sketchpad, 1943-1944
In the wake of the attack on Pearl Harbor and the declaration of war, thousands of Americans enlisted in the U.S. armed forces. Among them was twenty-year-old Bronx resident Ben Hurwitz. Like many of the men and women who entered military service, Hurwitz (who changed his name to Brown after the war) kept a record of his experiences. But his "journal" was a sketchpad, and, during his two years in North Africa and Italy, Corporal Hurwitz drew and painted at every opportunity. Hurwitz's pictures a
"It Was Considered Low Music": Pianist Eubie Blake on the Birth of Ragtime at the Turn of the Centur
Ragtime music, with its syncopated, polyrhythmic style, was born, according to cultural historian Robert Snyder, in the 1890s in the black saloons and brothels of southern and Midwestern cities like Baltimore and St. Louis. By the end of the 19th century ragtime had assumed a place at the center of American popular music and remained there until the 1920s. Ragtime meant a tinkling piano and no one played the ragtime piano any better or longer than Eubie Blake, born in Baltimore in 1887. In this
A Chinese Immigrant Makes His Home in Turn-of-the-Century America
In this autobiographical sketch published in 1903 in the Independent magazine (which ran a series of about eighty short autobiographical "lifelets" of "undistinguished Americans" between 1902 and 1906), Chinese immigrant Lee Chew looked back on his passage to America, and his years as a launderer and merchant on both the East and West coasts.