為什麼秋天樹葉會掉

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為什麼秋天樹葉會掉

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哈囉~小朋友們!我是小艾姊姊!
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哈囉~小朋友們!我是小艾姊姊!今天要解答一個「魔法級」的問題:為什麼秋天樹葉會變黃、還會飄落下來呢?

答案藏在「樹寶寶的保暖計畫」裡唷!當涼涼的秋天來臨,樹木知道冬天快到了,白天變短、陽光變少——就像我們冷的時候要穿毛衣一樣,樹木也要保存能量!

祕密在葉子裡的小精靈「葉綠素」會慢慢休息,藏了一夏天的黃色、橘色色素就露出來啦! 接著樹木會在葉柄處形成一層「小隔板」,像輕輕關上門一樣,讓葉子優雅地乘著風飛舞落地~

這樣樹木就能把水分和營養留給樹幹,暖暖地睡個覺,等春天再長出綠油油的新葉子唷! 下次看到落葉,記得跟樹說:「你好聰明呀~」

小艾姊姊最新發布:

Hi, I’m Eric — a proud dad, passionate foodie, and dedicated independant travel advisor with Expedia Cruises. 🍜✈️ Blogging is where all my interests come together — exploring great food, discovering fun family activities, and inspiring others to travel the world with curiosity and joy.You can often find me tasting my way through local restaurants on 🍜https://604FoodCritics.com🍜 or sharing family-friendly adventures on ✈️https://kidsfun.ca✈️For Mandarin-speaking families, I also host a Spotify show introducing children to fun and educational topics: 🎧https://open.spotify.com/show/65CIWjZWm5Nzk0PZy9iTea🎧If you ever want to talk food, travel, or family adventures, feel free to reach out! ✉️ Email: [email protected] 🌐 Website: https://expediacruises.com/en-US/EricKai