四步大变身Four-step big change
蝴蝶变身记Butterfly Metamorphosis
毛毛虫钻进蛹，出来变成蝴蝶。A caterpillar enters a pupa and emerges a butterfly.
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
蝴蝶四步Four butterfly steps
按生命周期顺序点。Tap life-cycle order.
第 3 站Stop 3
毛虫阶段 / 蝴蝶阶段Caterpillar / butterfly stage
谁在爬吃叶子？谁在飞吸花？Crawl-eat vs fly-sip?
🐛 毛虫阶段Caterpillar
🦋 蝴蝶阶段Butterfly
第 4 站Stop 4
变身记忆Change memory
翻开配对。Flip matches.