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When exposed to the high temperatures created by burning airplane fuel, steel columns in both towers lost strength, putting too much load on other structural supports.

When exposed to the high temperatures created by burning airplane fuel, steel columns in both towers lost strength, putting too much load on other structural supports.

Center towers lost strength rapidly when the fire reached 400 degrees Fahrenheit. Concrete heated to that temperature, though, doesn’t undergo significant physical or chemical changes; it maintains most of its mechanical properties. In other words, concrete is virtually fireproof.

educators are sellers of ideas

Games have the potential to make math more relevant or engaging, Pink said, but if they lead to standardized thinking about getting to the one right answer, that can be problematic

If the only aim of a game is for points and badges, the game has little benefit for the player. For a game to be compelling and a good source of learning, it should be capable of providing rapid, robust, regular, and meaningful feedback.

Envision Education www.envisionschools.org Envision Education was founded in 2002 on this simple idea. We believe the current achievement gap reflects a systemic failure to understand how kids learn, what motivates them to learn, and what they need in order to learn well. We employ the best practices of high school design —rigorous college-preparatory curricula, small and personalized learning environments, and a focus on measurable results—and add a truly innovative model that emphasizes project-based learning, development of Deeper Learning skills, integration of arts and technology into core subjects, real-world experience in workplaces, and a uniquely rigorous assessment system. Each Envision Education school employs specific learning tactics built upon the four key R’s: Rigor, Relevance, Relationships, and Results. Vibrant learning communities apply compassion and high expectations to inspire and empower students. Our approach is specifically designed to increase student engagement, deepen integration and understanding, promote active learning, and ensure college success. We hold all our students to rigorous academic standards while providing the necessary supports—academic, emotional, and behavioral—so they can achieve success in college and life. Scope: United States

a discrete set of standards and outcomes

we've spent billions of dollars on technology that by almost every measure has had little or no widespread effect.

wikiriver.org All the news about WikiLeaks in one place,

raction Hunt Posted by:lismac #130700 Please Signin We walked around the school in small groups armed with cameras and looked for fractions occuring in our school. Each child had to find one scene to capture with the camera. Another group stayed in the classroom and created their fractions with classroom materials. Example- 10 pencils. 9 were yellow and one was red. Then the small groups would come to our computer and insert their picture. Each child then inserted text boxes to type in the fractions. Example- 9/10 of the pencils are yellow. 1/10 of the pencils are red. 9/10 + 1/10= 10/10 They could choose the fonts and colors and such... they used word art to add their names. They loved it! We also do one using multiplication.