Earth Science & Climate

What Gemstones and Minerals Are Found in Puerto Rico?

Does It Snow in Southern California?

How Was the Snake River Canyon Formed?

Are Emeralds Stronger Than Diamonds?

Where Is the Sea of Tranquility Located?

What Color Streak Would Real Gold Leave on Sandpaper?

Why Do Earthquakes and Volcanoes Occur in Patterns?

What Is the Average Temperature in the Taiga?

What Is It Called When Ice Falls From the Sky?

What Is a Water Dike? Definition, Types, and Construction

How Was Monument Valley Formed?

How Tall Were the Appalachian Mountains When Formed?

How Does Weathering Change the Physical Surface?

What Is a Raw Diamond and What Does It Look Like?

Where Will the Big One Hit? A Look at Major Fault Lines

What Type of River Channel Has Multiple Channels and Gravel Bars?

What Does a Planetary Nebula Look Like?

How Much Helium-3 Is on the Moon?

What Is a Sag Pond and How Does One Form?

Why Do Continents Generally Not Subduct?