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      Displaying 581-600 of 6433 resources
      • Thumb image for Allactaga tetradactyla: InformationResource Type: Website / HyperLink

        Allactaga tetradactyla: Information

        Grades: No grades selected.
        Subjects: No subjects selected.
        Allactaga tetradactyla: Information
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for What is a Compound?Resource Type: Website / HyperLink

        What is a Compound?

        Grades: TK/K to 9
        Subjects: Chemistry, Atomic Structure, Classification, Elements & the Periodic Table and 2 additional..
        This page defines, describes and gives examples of chemical compounds.
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Build a Composting BioreactorResource Type: Document

        Build a Composting Bioreactor

        Grades: TK/K to 9
        Subjects: Earth & Space Science, Measurement, Tools, and Data Analysis, Ecology & Ecosystems, Earth's Resources and 2 additional..
        In this activity (page 19 of the PDF) learners will create a soda bottle bioreactor by exploring the science of composting, comp...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Measurement: Long and ShortResource Type: Website / HyperLink

        Measurement: Long and Short

        Grades: TK/K to 6
        Subjects: Measurement & Tools, Measurement & Geometry
        In this activity, students compare the length of two objects (buses, saws, bridges, etc.) and select which is shorter or longer....
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Wikipatterns.comResource Type: Website / HyperLink

        Wikipatterns.com

        Grades: PS/Pre-K to 12
        Subjects: Web 2.0 & Social Networking, Measurement, Tools, and Data Analysis, Information Technology, Network Design and Systems, Technology
        This site provides a guide to the major stages of wiki adoption. It explores patterns of behavior that encourage wiki use and an...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Speed, Eggs and Slam!Resource Type: Website / HyperLink

        Speed, Eggs and Slam!

        Grades: TK/K to 6
        Subjects: Chemistry, Mathematics, Earth & Space Science, Physics and 2 additional..
        In this fun hands-on activity, learners create a safety device to protect an egg "passenger" in a toy car crash. Newton's First ...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for What's the BuzzResource Type: Website / HyperLink

        What's the Buzz

        Grades: TK/K to 6
        Subjects: Chemistry, Earth & Space Science, Light, Sound & Other Waves, Physics
        In this physics activity, learners explore how sound is created by vibrations. They make a "buzzer" out of a rubber band, a craf...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for What's That Sound?Resource Type: Website / HyperLink

        What's That Sound?

        Grades: TK/K to 9
        Subjects: Chemistry, Earth & Space Science, Light, Sound & Other Waves, Physics
        This game plays a dozen different sounds, altered to simulate what they would sound like if you had hearing loss. You try to ide...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Transformations - DilationResource Type: Website / HyperLink

        Transformations - Dilation

        Grades: 6 to 12
        Subjects: Angles & Pythagorean Theorem, Measurement & Geometry
        In this interactive simulation, students are able to visualize and manipulate objects to understand dilation transformations. St...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for What's So Special about WaterResource Type: Document

        What's So Special about Water

        Grades: TK/K to 6
        Subjects: Chemistry, Earth & Space Science, Properties of Matter, Area & Volume and 4 additional..
        In this activity about water solubility and density, learners use critical thinking skills to determine why water can dissolve s...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Accidental DiscoveriesResource Type: Website / HyperLink

        Accidental Discoveries

        Grades: 5 to 8
        Subjects: Science
        This segment from Swift: Eyes through Time traces the history military officers and engineers discovering a strange phenomenon i...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Modeling One Step Equations : Activity BResource Type: Website / HyperLink

        Modeling One Step Equations : Activity B

        Grades: 6 to 12
        Subjects: No subjects selected.
        Solve a linear equation using a tile model. Use feedback to diagnose incorrect steps.
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for GeoSpy Geography QuizResource Type: Website / HyperLink

        GeoSpy Geography Quiz

        Grades: TK/K to 12
        Subjects: Geography, Earth & Space Science
        This online interactive geography quiz from National Geographic tests learners' knowledge of continents, countries, states, and ...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Surface Area and VolumeResource Type: Website / HyperLink

        Surface Area and Volume

        Grades: TK/K to 9
        Subjects: Area & Volume, Measurement & Tools
        This Java applet enables students to form and rotate three-dimensional rectangular and triangular prisms and observe how changin...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Gammarus fasciatus: InformationResource Type: Website / HyperLink

        Gammarus fasciatus: Information

        Grades: No grades selected.
        Subjects: No subjects selected.
        Gammarus fasciatus: Information
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Notoryctes typhlops: InformationResource Type: Website / HyperLink

        Notoryctes typhlops: Information

        Grades: No grades selected.
        Subjects: No subjects selected.
        Notoryctes typhlops: Information
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Magnification vs. ResolutionResource Type: Document

        Magnification vs. Resolution

        Grades: TK/K to 12
        Subjects: Chemistry, Our Solar System, Mathematics, Human Anatomy & Physiology and 3 additional..
        This fun and simple hands-on astronomy activity lets learners explore the difference between telescope magnification and resolut...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Taphonomy: New Branch of PaleontologyResource Type: Website / HyperLink

        Taphonomy: New Branch of Paleontology

        Grades: No grades selected.
        Subjects: No subjects selected.
        This site contains an article by Ivan Efremov from a 1940 issue of the Pan-American Geologist. This article was the first to def...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Ordeal by Check: An introductory activity about the Nature of ScienceResource Type: Website / HyperLink

        Ordeal by Check: An introductory activity about the Nature of Science

        Grades: No grades selected.
        Subjects: No subjects selected.
        This is an introductory activity about the Nature of Science (NOS) that can be used on the first day of a laboratory class. It i...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Acid RainResource Type: Document

        Acid Rain

        Grades: 9 to 12
        Subjects: Chemistry, Earth & Space Science, Science, Ecology & Ecosystems and 5 additional..
        Due to the presence of dissolved gases such as carbon dioxide, rainfall is naturally acidic. The release of other gases and chem...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0