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      Displaying 161-180 of 6433 resources
      • Thumb image for Wave MachineResource Type: Website / HyperLink

        Wave Machine

        Grades: 6 to 12
        Subjects: Chemistry, Physics, Light, Sound & Other Waves, Force & Motion, Earth & Space Science
        This is a great activity about wave interference. Learners will create their own wave machine and discover wave properties throu...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Water-Resources Reconnaissance of the Southeastern Part of St. Paul Island, Pribilof Islands, AlaskaResource Type: Document

        Water-Resources Reconnaissance of the Southeastern Part of St. Paul Island, Pribilof Islands, Alaska

        Grades: No grades selected.
        Subjects: No subjects selected.
        This 12-page PDF was prepared by the USGS to investigate sources of water and groundwater quality on St. Paul Island in order to...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Water-Resources Reconnaissance of St. George Island, Pribilof Islands, AlaskaResource Type: Document

        Water-Resources Reconnaissance of St. George Island, Pribilof Islands, Alaska

        Grades: No grades selected.
        Subjects: No subjects selected.
        This 15-page PDF was prepared by the USGS and provides information about sources of water and groundwater quality on St. George ...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Waterless Snow GlobeResource Type: Website / HyperLink

        Waterless Snow Globe

        Grades: TK/K to 9
        Subjects: Chemistry, Physics, Earth & Space Science, Electricity & Magnetism
        In this activity, the learner will investigate static electricity as they create a waterless snow globe. With confetti, a balloo...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Waterbottle MembranophoneResource Type: Website / HyperLink

        Waterbottle Membranophone

        Grades: TK/K to 9
        Subjects: Music, Education, Child Development & Family Services, Chemistry, Physics and 2 additional..
        In this activity, you'll use a straw, a water bottle and a paper tube to make an instrument that's very much like a saxophone. T...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Water WaysResource Type: Document

        Water Ways

        Grades: TK/K to 9
        Subjects: Current Science, Chemistry, Ecology & Ecosystems, Physics and 3 additional..
        In this activity, learners explore surface tension by adding pennies to cups which are "full" of plain water or soapy water. The...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Water TreatmentResource Type: Document

        Water Treatment

        Grades: 6 to 12
        Subjects: States of Matter (solids, liquids, gases), Human Anatomy & Physiology, Current Science, Chemistry and 6 additional..
        Water treatment on a large scale enables the supply of clean drinking water to communities. In this activity, learners develop m...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Water Quality Testing in your Local Water CycleResource Type: Website / HyperLink

        Water Quality Testing in your Local Water Cycle

        Grades: No grades selected.
        Subjects: No subjects selected.
        Students analyze local water chemistry by identifying and collecting local water samples, deciding upon questions they want to a...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Water Quality Criteria for IrrigationResource Type: Website / HyperLink

        Water Quality Criteria for Irrigation

        Grades: No grades selected.
        Subjects: Agriculture & Natural Resources
        This report describes the water quality criteria for irrigation including topics such as the origin of salts, quantifying salini...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Water Quality Assessment: Computer AnalysisResource Type: Website / HyperLink

        Water Quality Assessment: Computer Analysis

        Grades: No grades selected.
        Subjects: Earth's Resources
        Students use computer software to generate diagrams that facilitate the examination of ion concentrations in ground-water and th...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Water Quality and pH Levels in Aquatic EcosystemsResource Type: Document

        Water Quality and pH Levels in Aquatic Ecosystems

        Grades: 6 to 12
        Subjects: Life Sciences, Chemistry, Weather, Climate & Atmosphere, Structure and Function in Living Things and 10 additional..
        In this fun and in depth hands-on experiment, learners test various liquid samples (distilled water, lemon juice, vinegar, and b...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Water Quality AcquisitionResource Type: Website / HyperLink

        Water Quality Acquisition

        Grades: No grades selected.
        Subjects: No subjects selected.
        In this activity, students visit two sites to practice their field water sample collection and water quality assessment skills. ...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Water PropertiesResource Type: Website / HyperLink

        Water Properties

        Grades: TK/K to 9
        Subjects: Human Anatomy & Physiology, Current Science, Biochemistry, Chemistry and 4 additional..
        Simple description of the chemical and physical properties of water produced by the U.S. Geological Survey.
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Water Produced with Coal-Bed MethaneResource Type: Document

        Water Produced with Coal-Bed Methane

        Grades: No grades selected.
        Subjects: Agriculture & Natural Resources, Earth's Resources
        This 2-page PDF from the USGS provides information about water produced with coalbed methane. Topics include volumes and composi...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Water Pressure BlasterResource Type: Document

        Water Pressure Blaster

        Grades: TK/K to 6
        Subjects: States of Matter (solids, liquids, gases), Chemistry, Ecology & Ecosystems, Physics and 4 additional..
        In this experiment (located on pages 1-3 of the PDF), learners apply pressure to a water bottle (i.e. “push” on the water) to de...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Water PollutionResource Type: Website / HyperLink

        Water Pollution

        Grades: 6 to 12
        Subjects: No subjects selected.
        Get to know the four main types of pollution present in the environment, and then look at a variety of realworld examples as you...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Water IllusionsResource Type: Document

        Water Illusions

        Grades: TK/K to 9
        Subjects: States of Matter (solids, liquids, gases), Chemistry, Physics, Light, Sound & Other Waves and 3 additional..
        Learners demonstrate how water can distort, refract and magnify light. In an investigation called Underwater Differences, learne...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Water Holes to Mini-PondsResource Type: Document

        Water Holes to Mini-Ponds

        Grades: TK/K to 12
        Subjects: Life Sciences, States of Matter (solids, liquids, gases), Experimentation and the Scientific Method, History-Social Science and 8 additional..
        Dig a hole, line it, fill it with fresh water, and you have a water hole: a good place to study colonization. In this outdoor ac...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Water CycleResource Type: Website / HyperLink

        Water Cycle

        Grades: 6 to 12
        Subjects: No subjects selected.
        Control the path of a drop of water as it travels through the water cycle. Many alternatives are presented at each stage. Determ...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for Water co-produced with coalbed methane in the Powder River Basin, Wyoming: preliminary compositional dataResource Type: Website / HyperLink

        Water co-produced with coalbed methane in the Powder River Basin, Wyoming: preliminary compositional data

        Grades: No grades selected.
        Subjects: Agriculture & Natural Resources, Earth's Resources
        This USGS open-file report provides preliminary compositional data on water from 47 coalbed methane wells sampled between June, ...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0