🍎
你知道吗？
·
Did you know?
🔊 朗读开场 / Listen
把苹果放进水里，它会浮起来！
If you put an apple in water, it will float!
📖 趣味知识 / Fun Fact
🔊 朗读 / Listen
bǎ把píng苹guǒ果fàng放jìn进shuǐ水lǐ里，tā它huì会fú浮qǐ起lái来。yīn因wèi为píng苹guǒ果nèi内bù部dà大yuē约yǒu有25%de的kōng空qì气，zhěng整tǐ体mì密dù度bǐ比shuǐ水xiǎo小，suǒ所yǐ以bù不huì会chén沉xià下qù去。zhè这jiù就xiàng像píng苹guǒ果zì自dài带le了yī一gè个xiǎo小jiù救shēng生quān圈！
If you put an apple in water, it will float. This is because about 25% of an apple's volume is air, making its density lower than water. It's like the apple comes with its own little lifebuoy!
🤔 Why?
为什么苹果会浮起来这么特别？
Why is Apples Float so special?
因为苹果内部大约有25%的空气，整体密度比水小，所以不会沉下去。
This is because about 25% of an apple's volume is air, making its density lower than water.
👧 Compare With You
你和"苹果会浮起来"之间，有什么联系？ How does Apples Float connect to your life?
你 You
✔ 用筷子或勺子吃饭 Eat with chopsticks or a spoon
✔ 和家人一起分享食物 Share food with your family
✔ 说出你吃过的菜名 Name the foods you have tried
苹果会浮起来 Apples Float
✔ 和"苹果"有关 Related to apple
✔ 和"水果"有关 Related to fruit
✔ 和"食物"有关 Related to food
✔ 苹果放入水中会浮起来，因为内部有空气 Apples float in water because of air inside.
✔ 属于美食 Part of food
📚 Vocabulary
shuǐ水
🔊 听 / Listen
water
bǎ把píng苹guǒ果fàng放jìn进shuǐ水lǐ里，tā它huì会fú浮qǐ起lái来。
píng苹guǒ果
🔊 听 / Listen
apple
bǎ把píng苹guǒ果fàng放jìn进shuǐ水lǐ里，tā它huì会fú浮qǐ起lái来。
💬 Learn Sentences
bǎ把píng苹guǒ果fàng放jìn进shuǐ水lǐ里，tā它huì会fú浮qǐ起lái来。
🔊 听 / Listen
If you put an apple in water, it will float.
yīn因wèi为píng苹guǒ果nèi内bù部dà大yuē约yǒu有25%de的kōng空qì气，zhěng整tǐ体mì密dù度bǐ比shuǐ水xiǎo小，suǒ所yǐ以bù不huì会chén沉xià下qù去。
🔊 听 / Listen
This is because about 25% of an apple's volume is air, making its density lower than water.
🎤 口语练习 / Speaking Practice
🔊 跟读 / Repeat
请跟着读： Repeat after me:
yīn因wèi为píng苹guǒ果nèi内bù部dà大yuē约yǒu有25%de的kōng空qì气，zhěng整tǐ体mì密dù度bǐ比shuǐ水xiǎo小，suǒ所yǐ以bù不huì会chén沉xià下qù去。
This is because about 25% of an apple's volume is air, making its density lower than water.
🎯 Fun Challenge
Multiple Choice
为什么苹果在水里会浮起来？
Why does an apple float in water?
💡 想一想刚才读到的内容。 Think about what you just read.
因为它里面有空气 · Because it contains air
因为它太甜了 · Because it's too sweet
因为它的皮很厚 · Because its skin is thick
答对了！苹果里有空气，所以会浮起来。 Correct! Apples contain air, so they float.
🐼
💭 Think About It
如果你是一家小餐厅的老板，你会做什么菜？
If you owned a tiny restaurant, what dish would you make?
哇！ Wow!
🔊 朗读 / Listen
zhè这jiù就xiàng像píng苹guǒ果zì自dài带le了yī一gè个xiǎo小jiù救shēng生quān圈。
It's like the apple comes with its own little lifebuoy!.