Earth Science & Climate

What Is a Crest in Waves and Why Is It Important?

Why Is the Mesosphere Important to Earth?

What Are Geological Processes and How Do They Work?

How Long Is Jupiter’s Orbit Around the Sun?

How Much Energy Is in a Bolt of Lightning?

What States Have a Tropical 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?