為什麼看大樹的年輪就能知道他幾歲

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為什麼看大樹的年輪就能知道他幾歲

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哈囉~小朋友們!我是小艾姊姊!
你們有沒有想過,為什麼看大樹的年輪就能知道他幾歲呢?
讓小艾姊姊來給你回答


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哈囉~小朋友們!我是小艾姊姊!今天我們來解開大樹的小祕密喔!你們有沒有看過樹幹切開後,有一圈一圈的花紋呀?那叫「年輪」唷!

其實呀~大樹每年都在偷偷寫「成長日記」呢!春天夏天陽光暖暖、雨水多多,大樹就長得**超~快**,樹幹會變得**鬆鬆軟軟**,顏色淺淺的;但秋天冬天冷冷的,大樹就長得**超~慢**,樹幹變得**緊緊硬硬**,顏色深深der~這樣一快一慢、一淺一深,就變成了一圈圈的「樹木日記本」啦!就像我們畫圖用深色蠟筆和淺色蠟筆交替畫圈圈一樣!

下次看到年輪,記得數數有幾圈,就能猜猜大樹幾歲囉!

小艾姊姊最新發布:

Hi, I’m Eric — a proud dad, passionate foodie, and Metro Vancouver family-activities blogger. Blogging is where my interests come together — exploring great food, discovering fun places for kids, and helping families get out and play. You can often find restaurant finds on https://604foodcritics.com and family adventures here on https://kidsfun.ca. For Mandarin-speaking families, I also host a Spotify show: https://open.spotify.com/show/65CIWjZWm5Nzk0PZy9iTea — reach out anytime if you want to talk food or family fun.