冰水汽三兄弟Ice-water-vapor trio
冰块为什么会化Why Ice Melts
温度一变，水的样子就变。Change the temperature and water changes form.
第 1 站Stop 1
科学卡片Science Cards
点一下卡片翻过来。Pad 上点按就能翻。Tap a card to flip — tap works on Pad too.
第 2 站Stop 2
更像冰 / 更像水More like ice / water
固体硬还是液体流？Solid hard vs liquid flow?
🧊 像冰（固）Ice-like
💧 像水（液）Water-like
第 3 站Stop 3
冰的变化Ice changes
从冰到汽的常见顺序。Common ice-to-vapor path.
第 4 站Stop 4
耐心等待 10 秒Patient wait 10s
想象冰块慢慢化。Imagine ice slowly melting.
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准备好了就按下开始。Press start when ready.