Earth Science & Climate

How Far Do You Think a Plate Can Move in One Year?

How Accurate Are Weather Forecasts 5 Days Out?

What Is the Weather Like in Grasslands?

When Do the Days Start to Get Shorter?

What Is Stigmaria? The Fossil Roots of Ancient Swamps

Why Are Deserts Important to the Earth?

How Many Acres Are Added to the Big Island Each Year?

How Much Salt Is in Fresh Water?

How Does Wind Erosion Happen?

Is There Gravity in Space?