Earth on Edge : Ecosystems
This site provides information about the six ecosystems on which life on Earth most heavily depends: agricultural, forest, freshwater, grassland, coastal, and urban. It is part of a Public Broadcasting System (PBS) project, which includes a discussion guide. Ecosystems are described as communities of interacting organisms and the physical environment in which they live. The goods and services that ecosystems provide are said to form the foundation of human economies. Ecosystems purify air and wa
Author(s): Gregory Mock,Wendy Vanasselt

Teachers' Days, Delights, and Dilemmas: Wayside Teaching
Wayside teaching is all about building and sustaining positive relationships with students. Before we explore this concept further, take a moment to examine your wayside teaching attitudes, approaches, and actions by completing the self-analysis in Figure 1.,Volume 42, Number 3
Author(s): Sara Davis Powell

Quick take on Pythagoras and his theorem
A topic once reserved for high school geometry, the Pythagorean theorem is now part and parcel of the middle school curriculum. These resources offer visual demonstrations that can make the abstract theorem more concrete for students and lead them in analyzing the mathematical relationships involved, as recommended by the Principles and Standards for School Mathematics. The last resource offers background information on Pythagoras himself.
Author(s): NSDL Middle School Portal Staff

Theories
This activity will help the students understand that science theories change in the face of new evidence, but those changes can be slow in coming. Students will observe how scientific theories change over time, Be introduced to the sophistication of the geocentric model and the time it took to change the theory underpinning the heliocentric model, Compare the heliocentric model to the geocentric model.
Author(s): Creator not set

Lines of best fit using least squares
Fit a line to the data in a scatter plot using your own judgment. Then compare the least squares line of best fit.
Author(s): ExploreMath.com,Brian Sharp

Indicators of Middle School Implementation: How Do Kentucky's Schools to Watch Measure Up?
Using responses of school personnel to a statewide survey, this study examined the perceived level of implementation of key tenets of the middle school concept as outlined by This We Believe: Successful Schools for Young Adolescents (National Middle School Association, 2003) in schools designated a Kentucky School to Watch as compared to nondesignated schools.,Volume 32, Number 6
Author(s): Christopher M. Cook,Shawn A. Faulkner,Lenore J. Ki

Literacy for Middle School Students: Challenges of Cultural Synthesis
What does research suggest for middle level readers? Stronger attention to the literacy learning of middle level students and a greater degree of interplay between researcher and practitioner agendas.,Volume 28, Number 1
Author(s): Mary F. Roe

Difference of Squares
This lesson uses a series of related arithmetic experiences to prompt students to generalize into more abstract ideas. In particular, students explore arithmetic statements leading to a result that is the factoring pattern for the difference of two squares. An excellent teaching idea on how to help students walk the bridge from arithmetic to algebra.
Author(s): David Slavit,NCTM Illuminations

Synergy, Percussion 1-Introduction
Synergy is a percussion quartet.  This teacher-made tutorial video provides step-by-step playing instructions for the piece of music titled Synergy. (01:51)
Author(s): No creator set

TED402 Session 2 Spring 2012
Educational Psychology with Jeff Miller 02/01/12
Author(s): No creator set

Hi everybody, my name's Mike and this is the Let's Speak Italian podcast. So you've been listening to the first few lessons, and hopefully you're learning how to speak Italian.

Well with the first 100 lessons completed, I wanted to release the first few lessons for free as a little teaser so that you can see just how easy it is to learn to speak Italian. Now, by going to the website, you can buy the first 100 lessons for only \$15.00. That includes 100 lessons, plus 20 review lessons as
Author(s): No creator set

Casey Carlson
Author(s): No creator set

Human and the Horse
Author(s): No creator set

Latitude and Longitude
Do you know the difference between latitude and longitude lines on a map? Learn what latitude and longitude lines do, and how to read them on a map. The video is just over two minutes in duration.
Author(s): No creator set

Author(s): The Economist

Science Bulletins: On the Hunt for a Balanced Diet
Biologists had long assumed that predators were more concerned with the quantity of their food than the quality, but a recent study shows that nutritional value dictates how predatory ground beetles choose their prey. An international team of scientists led by University of Exeter and Oxford researchers collected more than 500 ground beetles in Denmark. One group of beetles was allowed to select from food sources with varying amounts of fat and protein, while the other group was given a fixed di
Author(s): No creator set

èª­æ›¸æ¡ˆå†…
Description not set
Author(s): Creator not set

Edgar Allen Poe "La MÃ¡scara de la Muerte Roja" (Parte 2 en EspaÃ±ol)
Este cuento de Edgar Allen Poe, sigue los intentos del Príncipe Próspero, quien quiere evitar una plaga peligrosa conocido como la Muerte Roja. Trata de evitar la enfermedad escondiéndose en su monasterio. La voz del orador complementa la atmósfera del cuento. Parte 2 (8:51)

Author(s): No creator set

Introduction to Ancient Greek History
This 33 minute video is a university lecture by Professor Donald Kagan who explains why people should study the ancient
Greeks. He argues that the Greeks are worthy of our study not only
because of their vast achievements and contributions to Western
civilization (such as in the fields of science, law, and politics) but
also because they offer a unique perspective on humanity. A good overview for high performing students.

Author(s): No creator set

Fooled by Nature: Lungfish
On Animal Planet's series "Fooled by Nature, In Africa, the lungfish has
the capability of breathing air outside of the water. Without rain or
water, the lungfish can hibernate for four years.

Author(s): No creator set