Did You Know? Earth's Longest Mountain Range Is Underwater!
The Mid-Ocean Ridge stretches for tens of thousands of miles beneath the ocean, making it Earth's longest mountain chain.
The Longest Mountains Are Under the Sea! 🌍
The Mid-Ocean Ridge runs across the seafloor for about 50,000 miles. Most of it is hidden underwater.
Color & Discover 🎨
Color an ocean cross-section with mountains below the waves. Ask: “What else might be hidden on the ocean floor?”
