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Results 51 - 60 of 212 DLESE Reviewed Collection = DLESE Reviewed Collection <<  2 3 4 5 6 7 8 9 10  >>
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This lesson is comprised of three parts grouped to enable student understanding of classifying organisms. In part one of the lesson, students classify imaginary organisms represented by a mix of breakfast cereals, candies, nuts, raisins, etc. according to similar characteristics. Students use a flow chart to show the characteristics by which they divided the imaginary organisms into groups. In part ... Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Lesson plan
Subject: Biology, Mathematics
 
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This textbook chapter summarizes the changes in the ecosystems found in the world's forests. This is chapter 2 in the unit, A New World View, which introduces global systems science, emphasizing the concepts of environmental diversity, Earth as a system, and sustainability. The resource includes a textbook chapter, integrated hands-on and inquiry activities, links to current news articles, and a suite ... Full description.
Grade level: High (9-12)
Resource type: Book - text
Subject: Biology, Ecology
 
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This textbook chapter presents a real case study involving the the logging of an old stand forest from three perspectives, that of the environmentalists, the wood products industry, and a politician. An associated writing activity engages students in reviewing the different viewpoints, and writing a "letter to the editor" for or against the logging of old growth forest. This is chapter 3 in the unit, ... Full description.
Grade level: High (9-12)
Resource type: Book - text
Subject: Biology, Ecology
 
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This textbook chapter outlines the historical development of the Theory of Natural Selection, presenting classic evidence including Darwin's study of finch beak variation in the Galapagos Islands and Kettlewell?s investigation of the pepper moth in England. A simulation activity depicting the process of natural selection is included. The resource includes a link to current news articles and a teacher's ... Full description.
Grade level: High (9-12)
Resource type: Book - text
Subject: Biology, Ecology
 
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In this textbook chapter, students are introduced to Mendelian inheritance and the biological processes through which changes in DNA are created and propagated within a population. An activity teaches students about dominant and recessive alleles, using coin tosses to complete a Punnett Square. Sickle cell anemia is provided as an example of evidence of natural selection in human populations, and ... Full description.
Grade level: High (9-12)
Resource type: Book - text
Subject: Biology, Ecology
 
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This textbook chapter tells the story of DDT and the the near-extinction of the Perigrine Falcon. The role of the Rachel Carson's best-seller, Silent Spring, and the role of research in the recent recovery of bird populations in the United States are highlighted. Wildlife biologist Janet Linthicum and her work with Perigrine Falcons is profiled. The resource includes a link to current news articles ... Full description.
Grade level: High (9-12)
Resource type: Book - text
Subject: Biology, Ecology
 
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This textbook chapter makes the case for preserving desert old growth forests, and endangered species. The captive breeding program for the black-footed ferret is presented as a case study. Students learn about conservation practices they can do, such as adopting a species or garden. The chapter includes an authentic unit assessment where students produce an essay on a biodiversity topic. The resource ... Full description.
Grade level: High (9-12)
Resource type: Book - text
Subject: Biology, Ecology
 
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This is a lesson about the search for life on Mars. Learners will participate in three activities. In the first activity (Imaginary Martians) learners will compare a fictional organism with what they know about life on Mars today. In the second activity (Looking for Life), learners will define important features of a living organism and use them to analyze three different soil samples. In the third ... Full description.
Grade level: Intermediate (3-5), Middle (6-8)
Resource type: Classroom activity, Guide for instructor
Subject: Biology, Space science
 
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Highlights of Laura Ingalls Wilder's classic children's novel, Little House on the Prairie, provides passages where hypothermia is evidenced. It is suggested that these passages can be used as examples within a general unit on health and the human body, or even as an introduction to a writing assignment on observations. This resource is from PUMAS - Practical Uses of Math and Science - a collection ... Full description.
Grade level: Primary (K-2), Intermediate (3-5), Middle (6-8)
Resource type: Ref. material
Subject: Biology, Physics
 
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This collection of activities presents learners with intriguing questions about the universe and provides an opportunity to explore topics related to the search for life beyond our own planet. The collection includes eight existing classroom activities that have been adapted for after school school settings. Each activity can be completed in one hour, however some activities require advance preparation. ... Full description.
Grade level: Middle (6-8)
Resource type: Classroom activity
Subject: Biology, Space science
 
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Results 51 - 60 of 212 <<  2 3 4 5 6 7 8 9 10  >>