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Results 51 - 60 of 1106 DLESE Reviewed Collection = DLESE Reviewed Collection <<  2 3 4 5 6 7 8 9 10  >>
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In this activity, learners will explore the question, What is the chance that we are the only life in the universe? They determine what we need to know to predict the chances of extraterrestrial life. They then make estimates of the number of worlds in the Milky Way galaxy that have life using the Drake equation. This is activity 5 of 5 in "Astrobiology in your Classroom: Life on Earth..and Elsewhere?" ... Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12)
Resource type: Classroom activity, Guide for instructor, Lesson plan
Subject: Biology, Mathematics
 
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This is a lesson about the requirements for life on another planet. Learners will grow organisms in one of 12 classroom environments and identify common requirements (such as water, nutrients, and energy). They will also design a mission to identify habitable places by searching for water, nutrients, and energy. A math extension explores measuring calories. This is activity 2 of 5 in "Astrobiology ... Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12)
Resource type: Guide for instructor, Lesson plan
Subject: Biology, Mathematics
 
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This is an activity about the discovery of water ice on Mars. Learners will create physical models using Earth samples to answer the question, "is it more likely that high altitude regions of Mars are composed of icy dirt (with ice filling the pore space of soils) or dirty ice (with dust sprinkled through a mostly icy surface)?" Included are teacher and student guides and a powerpoint with gamma ray ... Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Classroom activity, Guide for instructor, In-situ dataset
Subject: Biology, Space science
 
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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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Results 51 - 60 of 1106 <<  2 3 4 5 6 7 8 9 10  >>