SKU: 72809971515

單位角色圖鑑 : 什麼都想拿來量量看! (14個領域、78個單位詞)

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單位角色圖鑑 : 什麼都想拿來量量看! (14個領域、78個單位詞): 1478 SI 86400 X 1001 1 2 3 YouTube GHF 9~12

作者: 星田直彥  |  譯者: 林美琪


★給好奇孩子的「超入門單位圖鑑書」★
你聽過公尺、公升、加侖,
但是你有聽過海里、光年、流明、勒克斯這些單位嗎?
課本上常出現、令人頭痛的單位詞,一本澈底搞懂!
輕鬆培養孩子的數感及量感!

        你知道最古老的「單位」是什麼嗎?
  想知道測量星球之間的距離,要用什麼單位嗎?
  公尺、公里、公分、毫米、碼,怎麼換算才正確?
  「馬力」的單位詞起源,真的跟馬有關係嗎?
 
  本書涵蓋14個領域、78個單位詞,
  將枯燥乏味的單位擬人化,變得親切有趣易懂,讓孩子不排斥學習。
  認識各種單位的起源、定義、用途及換算方法,
  從日常點滴累積科普素養,擴展對世界的眼界!
 
  ★從日常生活中認識單位,知識大躍進!
  「媽媽,這根樹枝有多長呢?」
  「爸爸,這塊石頭有多重啊?」
  「老師,那位選手跑得多快呀?」
 
  當我們要告訴別人某個東西有多長或多重時,如果只說「大約這麼長」、「大約這麼重」,無法表達出正確的長度及重量,因為每個人的感覺都不同,如果要充分溝通,就必須有一個「基準」,這個基準就是「單位」。
 
  原來在遠古時代,人們還曾經使用手掌、腳掌、手臂……來測量呢!但是這樣的測量方式不夠準確,所以不同國家開始建立屬於自己的測量方式與單位,隨著國際交流越來越密切,終於出現「國際單位制(SI)」的發明與認定,全世界有了一套測量的標準,再也不用為了測量大小事而爭吵啦!
 
  ★一起來認識讓生活更方便的「單位」 !
  ‧帥氣「公尺小哥」你可以叫我單位界的一哥,我出場的地方多到數不完,身高一公尺的人,張開手臂也差不多是一公尺喔!
  ‧秀氣「毫克小姐」秤量藥品是我的工作,可以準備一粒米感覺我的分量喔! 
  ‧淘氣「秒寶寶」我是表示時間的基本單位,一天大約有8萬6400秒,很酷吧!
  ‧美麗「瓦特大姊」我常運用在微波爐和電燈泡方面,用電流╳電壓,就能算出我有多少了!
  ‧調皮「西弗小鬼」我是表示放射線對生物的影響程度,醫院的X光也是放射線的一種喔!
  ‧可愛「牛頓小妹」我是表示力量的單位,將100克重的物品放在手心時,下壓的力量大約就是1牛頓喔!
 
  萬物都能量,從具體到抽象,各種生活事物都需要經過測量,看似難記又難懂的測量單位,原來我們每天都需要用到它!因為有了「單位」,我們的生活才會變得更加便利,趕快翻開本書,變身能靈活運用的單位達人吧!
 
本書特色
 
  特色1單位變身可愛角色,激發孩子的學習動力!
  特色2從單位起源、定義、用途及換算方法,一本全知道! 
  特色3從生活中培養孩子的觀察力、探究力、思考力!
  
專業審訂
 
  李柏蒼教授|國立臺灣海洋大學水產養殖學系副教授
 
聰明推薦
 
  米蘭老師|YouTube網紅自然教師
  洪進益(小益老師)|GHF教育創新學人獎得主、暢銷作家
  
  【適讀年齡】
  9~12歲 國小中高年級、國中生
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SKU: 72809971515

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