Perimeter of a trapezoid
A web page and interactive applet show how to compute the perimeter of a trapezoid. A trapezoid is shown that can be resized by dragging its vertices. As you drag, the perimeter is continuously recalculated. Text on the page explains that the perimeter is the sum of the sides. For those who prefer it, in a formula that is given. Applet can be enlarged to full screen size for use with a classroom projector. This resource is a component of the Math Open Reference interactive geometry reference boo
Perimeter of a parallelogram
A web page and interactive applet show how to compute the perimeter of a parallelogram. A parallelogram is shown that can be resized by dragging its vertices. As you drag, the perimeter is continuously recalculated. Text on the page explains that the perimeter is the sum of the sides. For those who prefer it, in a formula that is given. Applet can be enlarged to full screen size for use with a classroom projector. This resource is a component of the Math Open Reference interactive geometry refer
Not in Our Town Northern California: Reversing Vandalism - San Francisco, CA
"Not In Our Town Northern California: When Hate Happens Here" looks at five communities that are dealing with hate violence. This Educator Guide addresses events in San Francisco. An art exhibit was organized at the main branch of the San Francisco Public Library in response to the vandalism of over 600 gay-oriented texts. This Guide includes discussion ideas and activities related to hate crimes.
Chinese Chestnut Tree Identification
The Chinese Chestnut is commonly mistaken for the American Chestnut. Here are some pointers on the differences between the two. The American Chestnut Society is attempting to re-establish the latter in the North American forest, and biotype diversity requires many American Chestnut crosses with resistant forms.
Annelids
Annelids are segmented animals. They have soft bodies and no legs. They usually move by crawling.
Adolescent Literacy Part II
This project is designed to put relevant and helpful online resources into the hands of teachers making the transition between Strategic Reading and Second Semester English. You will find a list of Read-Alike resources, Rubric Generators, and downloadable blank templates for planning weekly reading and/or writing lessons.
TRMM Rainmap for September 1998: North Africa
Monthly average rainfall over northern Africa for September 1998 as measured by TRMM. High rainfall rates are in red.
Tommaso Treu and Mike Shara Discuss Super Massive Black Holes
Mike Shara, curator in the Department of Astrophysics at the American Museum of Natural History, sat down with Tommaso Treu, physics professor at the University of California, Santa Barbara, to discuss the importance of understanding super massive black holes and dark matter at the 217th American Astronomical Society meeting in Seattle, Washington. Treu also explained how he came to work in this specialized field.
For more information, visit http://www.amnh.org
Perimeter of a rhombus
A web page and interactive applet show how to compute the perimeter of a rhombus. A rhombus is shown that can be resized by dragging its vertices. As you drag, the perimeter is continuously recalculated. Text on the page explains that the perimeter is the sum of the sides. For those who prefer it, in a formula that is given. Applet can be enlarged to full screen size for use with a classroom projector. This resource is a component of the Math Open Reference interactive geometry reference book pr
science experiment with acetic acid and sodium bicarbonate
Science experiment with acetic acid and sodium bicarbonate (baking soda and vinegar) giving off carbon dioxide among other things
Cause of short gamma-ray bursts
This three minute video explains some of the interesting facts about gamma-rays and it also has a written script that helps students follow this fast moving video. Good graphics. Video is on bottom of page.
For students who have a good background in this area.
The Story Keepers Easter Bible Story-Part 2 of 9
In part 2 of this animated Bible Easter video, Ben the baker must move Miriam and her family to the catacombs to keep safe
from the guards and Nero. The story is told of what a good friend Mary was to Jesus and also the story of the Last Supper and Jesus' betrayal. Ben's family is held hostage by the guards. This is a wonderful resource to introduce the Easter story to children. Content is appropriate for elementary age children. Part two of nine. (9:31)
Development of a Transgenic Murine Model for Human Herpesvirus-6 Infection - J. Reynaud
Development of a Transgenic Murine Model for Human Herpesvirus-6 Infection - J. Reynaud
Exercice 16 (Arithmétique dans Z) [00339]
Exo7. Exercices de mathématiques pour les étudiants.
Bonus (à 5'05'') : calcul de puissance modulo p.
Retrouvez la correction écrite sur http://exo7.emath.fr
Why Bastiat Is Still Great [Introduction to The Bastiat Collection (2011), a fantastic new edition, containing all his most important works in a pocket size at an incredibly low price. It is a treasure. An MP3 audio file of this article, narrated by the author, is available for d (〜2010年)形式化の問題
形式化という概念を、人文学、情報学、数学基礎論の歴史、社会科学等を融合・横断した視点から考察する。
