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Brains On! Science podcast for kids
How deep does the sand go on the beach?
Feb 20, 2024
Molly and Leon dive into the world of sand at the beach, chatting with sand expert Stan and discussing why beaches are losing sand. They explore the depth of sand, its origins, and the impact of human activities on beach sand. Listen for a new mystery sound and learn why sand is a valuable, depleting resource.
25:27
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Quick takeaways
- Sand is formed through the breakdown of rocks and minerals over millions of years, resulting in various colors depending on their source.
- Beaches are losing sand due to climate change and human activities like construction, leading scientists to explore solutions like recycling glass into sand and restoring natural sand flows.
Deep dives
The Formation of Sand
Sand is made from rocks and minerals breaking down over millions of years. It comes in different colors depending on its source, such as black sand made from volcanic rock and white sand made from parrotfish poop.
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Listen to the best highlights from the podcasts you love and dive into the full episode