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7.4 Matter Cycling & Photosynthesis

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Students figure out that they can trace all food back to plants, including processed and synthetic food. They obtain and communicate information to explain how matter gets from living things that have died back into the system through processes done by decomposers. Students finally explain that the pieces of their food are constantly recycled between living and nonliving parts of a system.

Material Type: Lesson, Lesson Plan, Module, Teaching/Learning Strategy, Unit of Study

Author: OpenSciEd

Inside the DNA

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Students conduct their own research to discover and understand the methods designed by engineers and used by scientists to analyze or validate the molecular structure of DNA, proteins and enzymes, as well as basic information about gel electrophoresis and DNA identification. In this computer-based activity, students investigate particular molecular imaging technologies, such as x-ray, atomic force microscopy, transmission electron microscopy, and create short PowerPoint presentations that address key points. The presentations include their own explanations of the difference between molecular imaging and gel electrophoresis.

Material Type: Activity/Lab

Authors: Mircea Ionescu, Myla Van Duyn

Grade 7 Module 2: Rational Numbers

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In Grade 6, students formed a conceptual understanding of integers through the use of the number line, absolute value, and opposites and extended their understanding to include the ordering and comparing of rational numbers. This module uses the Integer Game: a card game that creates a conceptual understanding of integer operations and serves as a powerful mental model students can rely on during the module.  Students build on their understanding of rational numbers to add, subtract, multiply, and divide signed numbers. Previous work in computing the sums, differences, products, and quotients of fractions serves as a significant foundation.

Material Type: Module

Sample SIOP Lesson Plan

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The Sheltered Instruction Observation Protocol (SIOP) was developed by Jana Echevarria, Mary Ellen Vogt, and Deborah J. Short. The SIOP lesson plan makes content material more comprehensible to English Language Learners. This lesson clearly defines content objectives and language objectives. 

Material Type: Lesson Plan

Author: Sally Camacho

The Transatlantic Slave Trade

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This collection uses primary sources to explore the Transatlantic Slave Trade. Digital Public Library of America Primary Source Sets are designed to help students develop their critical thinking skills and draw diverse material from libraries, archives, and museums across the United States. Each set includes an overview, ten to fifteen primary sources, links to related resources, and a teaching guide. These sets were created and reviewed by the teachers on the DPLA's Education Advisory Committee.

Material Type: Primary Source

Author: Franky Abbott

Hispanic Heritage and History in the United States

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Since 1988, the U.S. Government has set aside the period from September 15 to October 15 as National Hispanic Heritage Month to honor the many contributions Hispanic Americans have made and continue to make to the United States of America. Our Teacher's Guide brings together resources created during NEH Summer Seminars and Institutes, lesson plans for K-12 classrooms, and think pieces on events and experiences across Hispanic history and heritage.

Material Type: Teaching/Learning Strategy

North American Slave Narratives

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As stated in the DocSouth Collections, "North American Slave Narratives" collects books and articles that document the individual and collective story of Black people struggling for freedom and human rights in the eighteenth, nineteenth, and early twentieth centuries. This collection includes all the existing autobiographical narratives of self-emancipated and formerly enslaved people published as broadsides, pamphlets, or books in English up to 1920. Also included are many of the biographies of self-emancipated and formerly enslaved people and some significant fictionalized first-person accounts of enslavement published in English before 1920.

Material Type: Diagram/Illustration, Interactive, Lecture, Primary Source, Reading

Author: DocSouth Collections