重力是將物體拉向地球的力,導致球滾下山。它作用於所有物體,加速它們朝向地面,除非受到阻力。晶狀體調整其形狀以將光線聚焦在視網膜上,從而實現清晰的視覺。它的工作原理就像相機鏡頭一樣,可以銳化圖像。植物利用空氣中的二氧化碳,以及陽光和水,在光合作用過程中產生葡萄糖和氧氣。這個過程為植物生長提供動力。手電筒使用儲存在電池中的化學能,這些能量轉換為電能來為燈供電。這種反應發生在電池的電芯中。蝙蝠發出聲波,這些聲波從物體上彈回,使它們能夠在完全黑暗中導航和狩獵。這個過程稱為回聲定位。地球核心中鈾和釷等元素的放射性衰變產生熱量。這種熱量驅動地質過程,如板塊構造。腎臟過濾血液以去除廢物,形成尿液排出。它們還調節水分和電解質平衡。沉積岩是由沉積物層(如沙子或泥漿)長時間壓實和膠結形成的。例子包括砂岩和石灰岩。白血球是免疫系統的一部分,攻擊細菌和病毒等病原體。它們有助於保護身體免受疾病侵害。易燃性是物質在氧氣存在下點燃和燃燒的能力。例如,汽油是高度易燃的。根將植物固定在土壤中,並吸收水分和養分。它們提供抵抗風和其他力量的穩定性。在標準大氣壓力(1 大氣壓)下,水在 100°C 時沸騰。這是水從液體變為氣體的時候。海星可以再生失去的觸手,在某些情況下,甚至可以從單個觸手再生整個身體。這種能力幫助它們從受傷中恢復。蹺蹺板是一種槓桿,以支點為樞軸來抬起或平衡重量。它利用機械優勢來移動物體。胃中的鹽酸分解食物並殺死有害細菌。它為消化創造酸性環境。蒸騰作用是水份通過植物的運動,從葉子蒸發。它有助於運輸養分並冷卻植物。水銀是唯一在室溫(約 25°C)下保持液態的金屬。由於其獨特的性質,它被用於溫度計。氫鍵形成於水分子之間,這是由於氫原子和氧原子之間的吸引力。這些鍵賦予水獨特的性質,例如高表面張力。粒線體透過細胞呼吸產生 ATP,即細胞的能量貨幣。它們為大多數細胞活動提供動力。颶風從溫暖的海水中汲取能量,海水蒸發並為其強大的風提供燃料。通常需要超過 26.5°C 的水溫。氮氣是地球大氣層中最豐富的氣體,約佔 78%。它相對惰性,對生命過程至關重要。當液體失去足夠的能量而變成固體時,就會發生凝固,就像水變成冰一樣。它發生在物質的凝固點。小腦協調像平衡和姿勢這樣的自願運動。它微調運動技能以實現流暢的動作。振動的吉他弦通過引起空氣分子的振動來產生聲能。這些振動以波的形式傳播,產生音樂。鈣是構建強壯骨骼和牙齒的關鍵礦物質。它儲存在骨骼中,並支持結構完整性。分解者,如真菌和細菌,分解死亡的植物和動物,將養分循環回生態系統。它們對於養分循環至關重要。紅血球含有血紅蛋白,它在肺部結合氧氣並將其運送到身體組織。它們還將二氧化碳帶回肺部。催化劑降低化學反應所需的能量,加速反應而不被消耗。酶是常見的生物催化劑。手推車充當槓桿,輪子作為支點,使用戶能夠以更少的力氣舉起重物。它通過機械優勢來放大力量。光合作用利用陽光、水和二氧化碳來產生葡萄糖和氧氣。這是植物創造自身能量的方式。氦氣比空氣輕,導致聲帶在吸入時振動得更快,從而產生高亢的聲音。它通常用於氣球。變質岩是當現有岩石受到強烈的熱和壓力作用而改變時形成的,例如大理石來自石灰石。這個過程發生在地球深處。大腸從消化後的食物中吸收水分,形成固體廢物。它也容納有益的細菌以幫助消化。質量是物體中物質量的量度,通常以公斤為單位。它保持恆定,無論在哪裡。食物將化學能儲存在碳水化合物和脂肪等分子的鍵中。 這種能量在消化過程中釋放以供身體使用。當水蒸氣冷卻並變成液態水時,就會發生凝結,就像草地上的露水一樣。 它是水循環的關鍵。袋鼠,有袋動物,有一個育兒袋,它們的幼崽(稱為小袋鼠)在出生後在其中發育。 育兒袋提供安全和營養。安培測量電路中電流的流動速率。 它是電學中的一個基本單位。雄蕊,花的雄性部分,產生用於繁殖的花粉。 它由花藥和花絲組成。突變是生物體 DNA 序列的變化,可能導致新的特徵。 它是遺傳變異的一個主要驅動因素。You scored 0 out of 40You scored 1 out of 40You scored 2 out of 40You scored 3 out of 40You scored 4 out of 40You scored 5 out of 40You scored 6 out of 40You scored 7 out of 40You scored 8 out of 40You scored 9 out of 40You scored 10 out of 40You scored 11 out of 40You scored 12 out of 40You scored 13 out of 40You scored 14 out of 40You scored 15 out of 40You scored 16 out of 40You scored 17 out of 40You scored 18 out of 40You scored 19 out of 40You scored 20 out of 40You scored 21 out of 40You scored 22 out of 40You scored 23 out of 40You scored 24 out of 40You scored 25 out of 40You scored 26 out of 40You scored 27 out of 40You scored 28 out of 40You scored 29 out of 40You scored 30 out of 40You scored 31 out of 40You scored 32 out of 40You scored 33 out of 40You scored 34 out of 40You scored 35 out of 40You scored 36 out of 40You scored 37 out of 40You scored 38 out of 40You scored 39 out of 40You scored 40 out of 40
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NextNext QuizIncorrectCorrectGenerating your resultRetryOops, Quizday rookie! Don't worry, even the greatest quiz masters had to start somewhere. You may have stumbled this time, but every mistake is an opportunity to learn and grow. Keep on quizzing, Quizday newbie, and let your thirst for knowledge guide you towards greatness!Hooray for trying, Quizday explorer! You may not have aced the quiz this time, but you're like a brave adventurer trekking through uncharted territories. Keep exploring, Quizday fan, and let your inquisitive spirit be your guide to the riches of knowledge. Who knows what wonders await you on your next quiz quest?Great effort, Quizday adventurer! You're like a curious cat exploring the world of trivia with wide-eyed wonder. Keep on quizzing, Quizday fan, and let your enthusiasm for knowledge propel you towards success. Remember, even the most experienced quiz champions started somewhere. You're on your way to greatness!Hooray for taking the Quizday challenge! 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愛因斯坦精英
腦袋是否充滿了智慧?這份愛因斯坦等級的科學測驗是您證明自己是真正大師的門票!從點燃您好奇心的問題到讓您頭昏眼花的挑戰,這個測驗是對您科學知識的激動人心的考驗。您能勝過最棘手的謎題,還是會像一顆失控的小行星一樣墜毀?無論您是內心深處的怪咖還是想成為愛因斯坦,現在都是時候站出來發光發熱了。這不是普通的測驗,而是一場爭奪腦力至上的戰鬥!接受挑戰,解開謎團,看看您是否有加入前 5% 精英的智慧。不要等待,立即加入並在科學偉人中佔據一席之地!