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      Displaying 101-120 of 6433 resources
      • Thumb image for What's So Special about WaterResource Type: Document

        What's So Special about Water

        Grades: TK/K to 6
        Subjects: States of Matter (solids, liquids, gases), Physics, Solution Chemistry, Earth & Space Science and 4 additional..
        In this activity about water solubility and density, learners use critical thinking skills to determine why water can dissolve s...
        Views: 0Favorites: 0
      • Thumb image for What's So Special about WaterResource Type: Website / HyperLink

        What's So Special about Water

        Grades: TK/K to 6
        Subjects: States of Matter (solids, liquids, gases), Physics, Mathematics, Earth & Space Science and 2 additional..
        In this activity about water's cohesive and adhesive properties and why water molecules are attracted to each other, learners te...
        Views: 0Favorites: 0
      • Thumb image for What's My Ratio?Resource Type: Website / HyperLink

        What's My Ratio?

        Grades: 6 to 9
        Subjects: Number Sense, Rates and Proportions
        In this activity, students use linear measurement and calculators to investigate proportionality and determine the constant rati...
        Views: 0Favorites: 0
      • Thumb image for What's My Ratio?Resource Type: Website / HyperLink

        What's My Ratio?

        Grades: 6 to 9
        Subjects: Number Sense, Rates and Proportions, Professional Development
        In this activity, students use linear measurement and calculators to investigate proportionality and determine the constant rati...
        Views: 0Favorites: 0
      • Thumb image for What's My Number?Resource Type: Website / HyperLink

        What's My Number?

        Grades: TK/K to 9
        Subjects: Number Sense, Parts of a Whole (Fractions, Decimals & Percent), Mathematics, Algebra & Functions
        Combine logic and numbers in this game for all ages. Players start with a 10x10 grid of the numbers 1 to 100. One person chooses...
        Views: 0Favorites: 0
      • Thumb image for What's in the Water?Resource Type: Document

        What's in the Water?

        Grades: TK/K to 9
        Subjects: Classification, History-Social Science, Earth & Space Science, Life Sciences and 4 additional..
        In this investigation learners explore the differences between, and interdependence of, living and nonliving elements in a water...
        Views: 0Favorites: 0
      • Thumb image for What's for Dinner?Resource Type: Document

        What's for Dinner?

        Grades: TK/K to 6
        Subjects: Our Solar System, Classification, History-Social Science, Earth & Space Science and 4 additional..
        In this activity (page 7-8 of the PDF), learners will create a food web and explore food sources for different organisms. They w...
        Views: 0Favorites: 0
      • Thumb image for What Shall I Wear Today?Resource Type: Document

        What Shall I Wear Today?

        Grades: TK/K to 6
        Subjects: Mathematics
        In this activity, learners examine possible combinations (outcomes) by creating different outfits with shirts and pants and crea...
        Views: 0Favorites: 0
      • Thumb image for What on Earth is Plate Tectonics?Resource Type: Website / HyperLink

        What on Earth is Plate Tectonics?

        Grades: TK/K to 9
        Subjects: Geology & the Dynamic Earth, Earth & Space Science, Earth's Resources, Weather, Climate & Atmosphere
        Discusses the crust, mantle and core with text and schematic drawings. Links to other sections of the same publication on the li...
        Views: 0Favorites: 0
      • Thumb image for What Molecules Make the Holes in Bread?Resource Type: Document

        What Molecules Make the Holes in Bread?

        Grades: TK/K to 12
        Subjects: States of Matter (solids, liquids, gases), Physics, Chemical Reactions & Stoichiometry, Earth & Space Science and 2 additional..
        In this activity, students will discover why there are holes in bread. By mixing water, yeast and sugar, students will see bubbl...
        Views: 0Favorites: 0
      • Thumb image for What Lives HereResource Type: Document

        What Lives Here

        Grades: TK/K to 6
        Subjects: Agriculture & Natural Resources, Classification, History-Social Science, Evolution and Adaptation and 5 additional..
        In this outdoor activity/field trip, learners explore an aquatic site such as a pond, lake, stream, river or seashore to find an...
        Views: 0Favorites: 0
      • Thumb image for What Kind of Continental Margin am I? Active or Passive?Resource Type: Website / HyperLink

        What Kind of Continental Margin am I? Active or Passive?

        Grades: No grades selected.
        Subjects: Geology & the Dynamic Earth, Earth & Space Science, Earth's Resources
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        Views: 0Favorites: 0
      • Thumb image for What Is Uranium?Resource Type: Website / HyperLink

        What Is Uranium?

        Grades: No grades selected.
        Subjects: Agriculture & Natural Resources, Earth's Resources
        This site contains a detailed description about the properties of uranium and some of its applications in the energy industry. T...
        Views: 0Favorites: 0
      • Thumb image for What is the Hydrosphere?Resource Type: Website / HyperLink

        What is the Hydrosphere?

        Grades: TK/K to 9
        Subjects: Earth & Space Science, Earth's Resources, Ecology & Ecosystems
        This page defines and describes the hydrosphere and provides several photographs.
        Views: 0Favorites: 0
      • Thumb image for What is the fate of CO2 produced by fossil fuel combustion?Resource Type: Website / HyperLink

        What is the fate of CO2 produced by fossil fuel combustion?

        Grades: No grades selected.
        Subjects: Agriculture & Natural Resources, Weather, Climate & Atmosphere
        This assignment uses a box-model to simulate the earth's carbon cycle. The model hindcasts the atmospheric CO2 increase during t...
        Views: 0Favorites: 0
      • Thumb image for What is Fusion?Resource Type: Website / HyperLink

        What is Fusion?

        Grades: 6 to 9
        Subjects: Current Science, Technology, Nuclear Energy, Measurement, Tools, and Data Analysis and 3 additional..
        This page defines and desribes fusion. It explains why we should be interested in it as a renewable source of energy.
        Views: 0Favorites: 0
      • Thumb image for What is Beringia?Resource Type: Website / HyperLink

        What is Beringia?

        Grades: No grades selected.
        Subjects: Agriculture & Natural Resources, Geography, Earth's Resources
        This brief article by the National Park Service describes the history and location of the Bering Sea land bridge.
        Views: 0Favorites: 0
      • Thumb image for What is Alternating Current?Resource Type: Website / HyperLink

        What is Alternating Current?

        Grades: TK/K to 9
        Subjects: Physics, Electricity & Magnetism
        This article discusses alternating current and compares it to direct current. Schematic drawings are included.
        Views: 0Favorites: 0
      • Thumb image for What Is a Theory?Resource Type: Website / HyperLink

        What Is a Theory?

        Grades: 6 to 12
        Subjects: Science
        In these two audio interviews from NOVA Online, learn about the difference between the common understanding of the word "theory"...
        Views: 0Favorites: 0
      • Thumb image for What Is a Seed?Resource Type: Document

        What Is a Seed?

        Grades: TK/K to 6
        Subjects: Agriculture & Natural Resources, Technology, Measurement, Tools, and Data Analysis, Life Sciences, Structure and Function in Living Things
        In this activity learners observe seeds, discuss what they are, and predict what they will become by creating a picture using ac...
        Views: 0Favorites: 0