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Discover the amazing properties of water's surface tension as you make metal paper clips float on water. You'll learn about the forces that hold water molecules together and how insects like water ...
来自MSN19 天
27 At Home Science for KidsThis simple experiment shows how a vortex forms, making it a perfect hands-on learning activity for kids. Learn how water "walks" with this colorful science experiment! Kids will love creating a ...
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