Earth Science & Climate

How Deep Is the Sand in Egypt?

What Feeds Lake Mead? The Sources of Its Water

Which Is Colder: Uranus or Neptune?

How Are Revolution and Year Related?

Is the San Andreas Fault Active?

Is Sand Living or Nonliving? A Scientific Explanation

Is There Oil in Minnesota? A Look at the Geological Evidence

What Is One Important Role That Ocean Waters Have in Heating Earth?

How Is Topaz Made? The Geological Process Explained

Does Mars Have a Liquid Core?

What Are the Characteristics of Natural Salt (NaCl) Deposits?

Can the Dew Point Be Negative?

What Is a Wadi? The Life of a Desert Riverbed

Where Do Floods Mostly Occur in the United States?

How Far Away Are the Clouds?

How Does Heat Energy Reach the Earth From the Sun?

What Are Silicate Minerals and Their Structure?

How Are Shifting Sand Dunes an Example of Physical Weathering?

Where Is the Windiest Place in the US?

When Is the Latest Sunrise of the Year?