Digital Library for Earth System Education

    Forming a Hypothesis

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    Provides pedagogical insight concerning the skill of hypothesizing The resource being annotated is: http://www.dlese.org/dds/catalog_DLESE-000-000-008-484.htm

    A Study of Junior High Students' Perceptions of the Water Cycle

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    Provides pedagogical insight concerning learners' pre-conceptions and misconceptions about the water cycle The resource being annotated is: http://www.dlese.org/dds/catalog_DWEL-000-000-000-109.htm

    What Are Some Factors That Affect Seasonal Patterns?

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    The purpose of this resource is to have students use GLOBE data and graphing tools to compare the influence of latitude, elevation, and geography on seasonal patterns. Students analyze the graph of the past year's maximum and minimum temperatures at their site. They compare this graph to similar graphs for two other sites and list which factors that might cause the patterns to be different and investigate one in depth. Educational levels: Middle school, High school

    Design and Assessment of an Interactive Digital Tutorial for Undergraduate-Level Sandstone Petrology

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    This study describes the goals, features and effectiveness of a digital interactive tutorial which was created to provide undergraduates a 'virtual microscope' resource for learning sandstone petrology. The goal of the tutorial is to provide students exposure to the highly visual subject matter of petrography outside the confines of organized laboratory exercises. The hope is that widespread use of such digital interactive formats will allow students to gain high levels of expertise with description and interpretation of earth materials despite the reduced amounts of hands-on laboratory practice that are allowed by modern curricula. Educational levels: Graduate or professional

    The Effect of Multiple Formats on Understanding Complex Visual Displays

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    Students in introductory science courses frequently have difficulty comprehending complex graphics such as contour maps. Computer-assisted instruction (CAI), because of its ability to convey the same information in different formats, may help students gain necessary graphic interpretation skills. This article describes a research project in which students practiced reading two temperature maps in either a standard black and white contour or a color-enhanced contour format. They were then divided into groups and tested using only standard contour maps. The tests examined comprehension of the distribution of sea surface temperature, oceanographic phosphate concentration, and brain activation. Results suggest that having students practice with differently formatted maps of the same information improves later comprehension of standard contour maps. Educational levels: Graduate or professional

    The Rhyming Peg Mnemonic Device Applied to Learning the Mohs Scale of Hardness

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    NOTE: This is a large file, 55.7mb in size! This article describes the use of the rhyming peg mnemonic device to teach Moh's scale of hardness. The "pegs" consist of a set of words, each rhyming with a number from one to ten, to which the mineral names are linked. The mnemonic drawings are incorporated into a poem. This technique is effective because it is meaningful, helps students organize information, provides many associations, uses the creative thinking skill of visualization of images, and focuses student attention. Educational levels: Graduate or professional

    The Warped Galaxy ESO 510 G13 Lithograph

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    This lithograph is part of a series designed to bring the latest Hubble Space Telescope images into the classroom. In the educational activity, In Search of ... Galaxies, students are introduced to the topic of galaxies, formulate questions, conduct research, organize their materials, and present a report describing galaxies. Educational levels: Middle school, High school

    ChemMatters: Special Issue on NASA's EOS Aura Mission (Sept. 2001)

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    This EOS-Aura special edition of ChemMatters is the first of four special issues focusing on atmospheric chemistry and the Aura mission. It features articles on global climate change, asthma and air pollution, good and bad ozone, and spectroscopy. ChemMatters is a quarterly publication of the American Chemical Society (ACS) geared to a high school audience. The magazine is designed and written to demystify everyday chemistry. Educational levels: High school

    The Inverse Square Law of Light

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    This activity gives an easy way for students to measure the relationship between distance and brightness. Once students discover the relationship, they can begin to understand how astronomers use this knowledge to determine the distances to stars and far away galaxies. Educational levels: Middle school, High school, Middle school, High school

    Space Math: Lunar Math

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    This booklet includes 17 problems relating to the Moon and its exploration. Images from NASA are analyzed to determine image scales and the physical sizes of various crates and features. The probability of meteor impacts near a lunar colony are calculated, and the horizon distance is determined using simple geometry. Also covered are: determining the mass of the Moon, a simple model for the lunar interior, heat flow rates, extracting oxygen from lunar rock, and lunar transits and eclipses. (8.5 x11, 28 pages, 11 color images, PDF file) Educational levels: Intermediate elementary, Middle school, High school
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