22.A.细节理解题.根据文章最后一段的"…at this point the water is dense enough for the egg to float."可知加入盐的水密度比较大,可以导致蛋漂浮起来,故答案为A. 23.C.细节理解题.根据文章最后一段"…the denser the liquid is,the easier it is for an object to float in it."可知液体的密度比较...
18.He wants to know why empty glass bottles can float(漂浮) on the water. He should ask his C teacher for help. A. music B. art C. physics D. maths 相关知识点: 试题来源: 解析 答案见上18.C[提示:考查名词辨析。 句意:他想知道 为什么空玻璃瓶会浮在水面上。 他应该向他的 老 师寻求...
Why does ice float in water? - George Zaidan and Charles Morton 1,862,962 Views 27,474 Questions Answered TEDEd AnimationLet’s Begin… Water is a special substance for several reasons, and you may have noticed an important one right in your cold drink: ice. Solid ice floats in ...
Ice is the solid phase of water. The density of water is high compared to other liquids. this is because of the hydrogen bonding between water molecules. Many physical properties of water are related to the hydrogen bonds between water molecules....
asend the hat off 送帽子[translate] aOne day Ben said to himself ,"Why can't the wind help me float across the water?And I'm going to fly . Ben got his big kite 一天本对他自己认为, “为什么风不能帮助我横跨水漂浮?并且我飞行。 本得到了他的大风筝[translate]...
Why do dogs float in water?你可能也会喜欢 Dad Jokes : Funny Jokes App Dads Daily - daily dad jokes Lentil AI: Photo Art Generator
Why do things float in water? Objects are made up of very tiny molecules. Molecules can be packed in close together like in a rock or more spread out like in bubble wrap. The positioning of molecules affects the density of an object. Objects with tightly packed molecules are more dense th...
If steel is heavier than water, why are ships able to ___ on the sea? A. float B. fly C. fall D. flow 相关知识点: 试题来源: 解析 【答案】A【翻译】如果钢比水重,为什么船能在海上漂浮?【解析】考查动词辨析。A. float 漂浮;B. fly 飞;C. fall 落下;D. flow 流动。根据语境可知...
Mr. Allen held out a glass of water with three ice cubes in it. “Why do things float?” he asked the class. No one said a word. The whole class was 1 . “Anyone?” Mr. Allen smiled at his students. “Let’s brainstorm some answers.” He swirled (旋动) the glass gently....
Why might an egg float in saltwater but sink in fresh water?