How Are Seashells Formed - 搜索视频

How Seashells Are Made | Reactions Science Videos - American Chemical Society

How Seashells Are Made | Reactions Science Videos - American Chemical Society

In this video, we explain how crumbly chalk and tough seashells are made of the same stuff.

acs.org2022年12月7日

短视频

Have you seen seashells on the seashore and wondered where they come from? 🐚 Well, contrary to popular belief, sand dollars are not sea shells at all! They're actually a type of burrowing sea urchin and have thousands of little hairs that enable them to move about the seabed. They are commonly spotted on the Northern California coastline and are named for their coin-like shape. 🪙 Keep an eye out for them on your next coastal trip. Please do not take home sand dollars, seashells or sea creature

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Have you seen seashells on the seashore and wondered where they come from? 🐚

FacebookVisit California

Making a hole in a shell

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Making a hole in a shell

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