Earth Science & Climate

What Is the Deepest Cave in the World?

What Is Mars’ Nickname and Why Is It Called That?

Why Are the Hawaiian Islands All Volcanoes?

What Is Mount Everest Made Of?

Where Does the New Day Officially Start?

When Was the Last Earthquake in Virginia?

How Are Emissions Tracked and Reported?

Is There a Planet Bigger Than the Sun?

When Is Summer in Antarctica?

When Will the Earth Run Out of Water?

How Was Light Created? From Atoms to the Cosmos

How Long Does Lava Rock Last?

Is Soil a Homogeneous or Heterogeneous Mixture?

Is There Only One Path Through the Rock Cycle?

When Did People Notice Continents Fit Like Puzzle Pieces?

Are Deltas Formed by Erosion or Deposition?

Which Ocean Formed as a Direct Result of the Breakup of Pangaea?

In Which Direction Is Hawaii’s Chain of Islands Moving?

Does the Environment Affect the Soil?

Is Amethyst a Rock or a Mineral?