Earth Science & Climate

Does Gold Naturally Occur on Earth?

How Thick Are Saturn’s Rings and Why Are They So Thin?

How Much Does It Cost to Build a Fossil Fuel Power Plant?

What Caused Earth to Develop Layers as It Cooled?

When Does It Get Dark After Daylight Savings?

How Many Major Tectonic Plates Are There?

Which Is More Dangerous a Tornado Watch or Warning?

Where Does It Rain the Most in the US?

How Long Is a Galactic Year and How Is It Measured?

What Surfaces Have High Albedo and Why?

What Is the Purple Light in the Sky and What Causes It?

When Do Faults Occur and What Causes Them?

How Common Is Silver and Where Does It Come From?

Is 17 Miles Per Hour Wind Considered Strong?

What Is Taconite and How Is It Processed Into Steel?

Why Are the Cliffs of Dover White?

What Happens During the Mature Stage of a Thunderstorm?

How to Determine the Dew Point: Methods and Calculations

Where Does Rain Come From and How Is It Formed?

How Does the Gradient of a River Affect Its Flow?