The Ocean Planet: Earth’s Blue Heart

Did you know every second breath you take comes from the ocean? This vast, blue expanse shapes our climate, fuels the water cycle, and holds the planet’s greatest extremes—from sunlit shallows to deep-sea trenches. Let’s break it down and explore Earth’s blue heart.

Earth Planet
Why the Ocean Matters

The ocean powers life on Earth—providing oxygen, food, climate balance, and more. Discover 6 ways it sustains us and why its protection is vital.

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How Did the Ocean Form, and Why is it Salty?

Earth is the Blue Planet, but how did its oceans form—and why are they salty? Dive into the origins and chemistry of the water that shapes our world.

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Ocean Basins and Features: Trenches, Ridges, and Plate Tectonics

Discover the dramatic landscapes beneath the waves—trenches, ridges, and plains shaped by plate tectonics that influence life, currents, and climate.

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The Ocean’s Layers – From Sunlit Waters to the Deep Sea

Explore the ocean’s layers, from the sunlit surface to the deep sea trenches, and discover the unique life and conditions in each mysterious zone.

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The Water Cycle and How the Ocean Shapes Our World

Discover how the ocean powers Earth’s water cycle, shapes climate and weather, and why protecting it is key to sustaining life on our blue planet.

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The ocean has more stories to tell—keep going!

Where to next?

Keep exploring marine science or discover more ways to be part of the wave.

EXPLORE BE THE WAVE RETURN TO START WITH THE BASICS
Seagulls Flying over a turquoise blue ocean