Earth Science & Climate

Where Is the Tropic of Cancer and What Countries Does It Cross?

How Much of the Earth Is Undiscovered?

How Much Are Geodes Worth Per Pound?

Is Quartz Man Made or Naturally Formed?

What Is a Tiger Eye Stone and How Does It Form?

Is the Potomac River Freshwater or Brackish?

Is 27 Degrees Freezing? What Happens at This Temperature

What Is the 2100 Vision for Our Planet’s Future?

When Do the Days Begin to Get Longer?

The Fossil Cycle: How Life Becomes a Fossil

What Do Snowflakes Look Like? Common Shapes and Designs

Can a Brinicle Kill You? The Ice Finger of Death Explained

Is It Always Day in Antarctica?

What Does SSE Wind Mean in Weather Reports?

Why Are There 2 Colorado Rivers in the United States?

What Is a Winter Weather Advisory and What Does It Mean?

What Is an Air Mass in Science and How Does It Form?

What Is the Average Barometric Pressure at Sea Level?

How Is a Warm Front Displayed on a Weather Map?

Why Does Japan Have So Many Earthquakes?