Earth & Space Page 603

More in Earth & Space

  1. Can Frost Form When Temperatures Are Above 32 Degrees?

    Air temperature isn’t the only factor for ice formation. Learn the scientific reasons frost can deposit when the thermometer reads above 32°F.

    By Brittany McCarthy
  2. How Mountain Ranges and Winds Affect Precipitation

    Understand how mountain ranges and wind patterns control the global distribution of rain, snow, and arid climates.

    By Brian Radcliffe
  3. What Is Green Amethyst Called? The Answer Is Prasiolite

    Prasiolite is the green quartz often mislabeled as amethyst. Explore its rare natural occurrence, common heat treatment, and geological sources.

    By Diane Morgan
  4. Where Should a Weather Station Be Located and Why?

    Your weather station’s accuracy depends less on the equipment and more on ideal physical placement. Find out why.

    By Denise Vega
  5. What Is the Liquid Limit of Soil and How Is It Measured?

    Learn what the Liquid Limit is—the precise moisture boundary where soil loses its strength—and how this critical value is determined for engineering projects.

    By Dwayne Wallace
  6. Which Continent Has the Most Mountains?

    Which continent has the most mountains? Geographers use peak density and average elevation to find the definitive answer.

    By Brian L. Hart
  7. Is 30.06 Barometric Pressure Considered High?

    Decode the meaning of 30.06 inHg. Discover how this specific pressure compares to averages and predicts stable weather conditions.

    By Denise Vega
  8. How Many Major Mountain Ranges Are in the US?

    Classifying the US’s major mountain systems requires careful geological criteria. Explore the geography, scope, and deep history of each primary system.

    By Brian L. Hart
  9. What Do Raindrops Really Look Like?

    The shape of a raindrop changes based on its size and speed. Learn the surprising physics behind rain’s real form.

    By Denise Vega
  10. What Is the Function of an Anemometer?

    Discover the function and varied mechanisms of the anemometer, the key instrument for accurately quantifying air velocity and its impact on modern life.

    By Laura Davies
  11. What Is an Ice Field? Formation, Structure, and Examples

    Understand what defines an ice field, how its structure is shaped by mountains, and how it differs from ice caps and ice sheets.

    By Oscar Grant
  12. Are There Plants on Other Planets?

    Learn how scientists are searching for self-sustaining alien life by analyzing atmospheric gases and exploring alternative biology.

    By Lynn Norris
  13. What Color Is Magma? The Science Behind the Glow

    Magma’s apparent color is dictated by incandescence, chemistry, and cooling. Discover the science behind the glow and how composition changes it.

    By Keisha Boateng
  14. Do All Fossils Come From Animals That Are Extinct?

    Explore the criteria that determine if ancient remains belong to an extinct or still-living species.

    By Amanda Ramirez