Cara cara perpindahan panas

Author:

October 21st, 2022

RANGKUMAN MATERI IPA KD 3.5
CARA-CARA PERPINDAHAN PANAS
1. Kalor atau panas dapat berpindah dari benda bersuhu tinggi menuju benda bersuhu lebih rendah
sampai suhunya sama atau seimbang.
2. Perpindahan kalor dapat melalui tiga cara yaitu konduksi, konveksi, dan radiasi.
3. Konduksi adalah perpindahan panas melalui zat perantara tanpa diikuti perpindahan partikelpartikel zat tersebut.
Contoh :
1. Besi yang dipanaskan ujungnya akan menghantarkan panas
2. Wajan yang dipanaskan di atas kompor, minyak di dalamnya juga menjadi panas
4. Konveksi adalah perpindahan panas melalui zat perantara dan diikuti perpindahan partikel-partikel
zat tersebut.
Contoh :
1. Air yang direbus
2. Terjadinya angin darat dan angin laut
5. Radiasi atau pancaran adalah perpindahan panas ke suatu benda tanpa zat perantara.
Contoh radiasi :
1. Panas matahari sampai ke bumi
2. Perambatan panas dari api unggun
6. Benda yang mudah dan cepat menghantarkan panas disebut konduktor.
Contoh benda konduktor : besi, aluminium, tembaga, dll
7. Benda yang sulit dan lambat menghantarkan panas disebit isolator
Contoh benda isolator : kayu, plastik, karet,dll.
…

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Cara cara perpindahan panas

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