声音需要介质 · Why Sound Needs a Medium
声音需要介质
Why Sound Needs a Medium
👁 168 次浏览 · views
探索科学奥秘——我们说话时，声带振动产生声音，通过空气传播到别人的耳朵里！
Explore science — Sound Needs a Medium!
📖 趣味知识 / Fun Fact
wǒ我men们shuō说huà话shí时，shēng声dài带zhèn振dòng动chǎn产shēng生shēng声yīn音，tōng通guò过kōng空qì气chuán传bō播dào到bié别rén人de的ěr耳duǒ朵lǐ里。rú如guǒ果méi没yǒu有kōng空qì气，shēng声yīn音jiù就wú无fǎ法chuán传bō播。suǒ所yǐ以yuè月qiú球shàng上méi没yǒu有kōng空qì气，yǔ宇háng航yuán员nǎ哪pà怕dà大hǎn喊dà大jiào叫，páng旁biān边de的rén人yě也tīng听bù不jiàn见。shēng声yīn音bì必xū须tōng通guò过jiè介zhì质cái才néng能chuán传bō播！
Sound is vibration needing air or materials. In space vacuum, sound cannot travel!
🤔 Why?
为什么声音需要介质这么有趣？
Why is Sound Needs a Medium interesting?
如果没有空气，声音就无法传播。
In space vacuum, sound cannot travel!.
👧 Compare With You
这和你的生活有什么不一样？ How is this different from your daily life?
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📚 Vocabulary
💬 Learn Sentences
wǒ我men们shuō说huà话shí时，shēng声dài带zhèn振dòng动chǎn产shēng生shēng声yīn音，tōng通guò过kōng空qì气chuán传bō播dào到bié别rén人de的ěr耳duǒ朵lǐ里。
Sound is vibration needing air or materials.
rú如guǒ果méi没yǒu有kōng空qì气，shēng声yīn音jiù就wú无fǎ法chuán传bō播。
In space vacuum, sound cannot travel!.
🎤 口语练习 / Speaking Practice
请跟着读： Repeat after me:
rú如guǒ果méi没yǒu有kōng空qì气，shēng声yīn音jiù就wú无fǎ法chuán传bō播。
In space vacuum, sound cannot travel!.
🎯 Fun Challenge
Multiple Choice为什么月球上大喊大叫，旁边的人也听不见？
Why can't people hear you shout on the Moon?
💡 想一想刚才读到的内容。 Think about what you just read.
答对了！声音必须通过空气等介质才能传播，月球上没有空气。 Correct! Sound needs a medium like air to travel, and the Moon has no air.
💭 Think About It
关于声音需要介质，你还想知道什么？
What else would you like to know about Sound Needs Medium?
哇！ Wow!
shēng声yīn音bì必xū须tōng通guò过jiè介zhì质cái才néng能chuán传bō播。
In space vacuum, sound cannot travel!.
📊 学习数据 / Stats
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