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PRAKTIKUM IPA DI SD PDGK4107/MODUL 5
LEMBAR KERJA PRAKTIKUM IPA DASAR DI SD
KALOR PERUBAHAN WUJUD ZAT DAN PERPINDAHANNYA PADA SUATU ZAT
Kegitan Praktikum 1
A. PERCOBAAN TITIK LEBUR ES
1. ____________________________________________________________________________________________________________________________________________
2. __________________________________________________________________________________________________________________________________________________________
No2 menit
ke 1Kenaikan suhu
Suhu pada termometer
Keterangan
1
2
3
4
5
KESIMPULANa. ______________________________________________________________________b. ______________________________________________________________________
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
8
Tabel 5.1 Kenaikan Suhu Es
Gambar 5.1 Percobaan Es yang dilebur dalam
bejana panas
PRAKTIKUM IPA DI SD PDGK4107/MODUL 5
____________________________________________________________________________________________________________________________________________
JAWABAN PERTANYAAN1. ______________________________________________________________________
________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
2. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
3. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
4. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
B. PERCOBAAN WUJUD PADAT MENJADI GAS DAN SEBALIKNYA
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Tabel 5.2Pengamatan wujud padat
menjadi gas dan sebaliknya pada Kapur Barus
Percobaan pada yodium Percobaan pada kapur barus Percobaan pada naftalin
No Kristal Mencair dulu
Ya apa TidakLangsung menguap
Ya apa tidak Keterangan
1 Yodium
2 Kapur barus
3 Naftalin
PRAKTIKUM IPA DI SD PDGK4107/MODUL 5
KESIMPULAN
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
JAWABAN PERTANYAAN
1. ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
2. ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
C. PERCOBAAN WUJUD CAIR MENJADI GAS
1. PROSES AIR MENJADI UAP/ GAS DAN MENJADI AIR KEMBALI________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
2. KESIMPULAN
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Gambar 5.2Percobaan pemanasan perubahan wujud padat
menjadi gas dan sebaliknya
Gambar 5.3Percobaan wujud cair menjadi gas (uap air)
PRAKTIKUM IPA DI SD PDGK4107/MODUL 5
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
JAWABAN PERTANYAAN
1. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
2. __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Kegiatan Praktikum 2
A. PERCOBAAN KONDUKSI
No Jenis bahan Lilin mencair pertama
Lilin mencair kedua
Lilin mencair ketiga
Lilin mencair keempat
1 Besi
2 Tembaga
3 Kuningan
4 Aluminium
KESIMPULAN________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
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Tabel 5.3Pengamatan terhadaplilin
Gambar 5.4Percobaan Konduksi
PRAKTIKUM IPA DI SD PDGK4107/MODUL 5
JAWABAN PERTANYAAN
a. ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
b. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
c. __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
B. PERCOBAAN KONVEKSI
1. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
2. ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
3. _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
C. PERCOBAAN KONVEKSI DALAM AIR
1. ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
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PRAKTIKUM IPA DI SD PDGK4107/MODUL 5
2. ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
3. _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
JAWABAN PERTANYAAN
1. ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
2. _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Keterangan :
h = Koefisien konveksi t = Perbedaan suhuΦ = Massa
D. PERCOBAAN RADIASI
1. Pembahasan _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
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PRAKTIKUM IPA DI SD PDGK4107/MODUL 5
______________________________________________________________________________________________________________________________________________
2. Kesimpulan
_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
JAWABAN PERTANYAAN
1. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
2. ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Kegiatan Praktikum 3
A. PERCOBAAN PERUBAHAN PANJANG
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Gambar 5.5Percobaan radiasi menggunakan lilin
Tabel 5.4Pengamatan Pertambahan panjang
PRAKTIKUM IPA DI SD PDGK4107/MODUL 5
No. Jenis Logam Pertambahan Panjang Keterangan
1. Tembaga
2. Nikelin
3. Kawat
KESIMPULAN
________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
JAWABAN PERTANYAAN
1. __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
2. ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
B. PERCOBAAN PEMUAIAN ZAT CAIR
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Gambar 5.6Percobaan pertambahan panjang
pada kawat tembaga yang dibakar
PRAKTIKUM IPA DI SD PDGK4107/MODUL 5
1. Suhu Larutan Merah
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
2. Suhu Air Panas
_____________________________________________________________________________________________________________________________________________________________________________________________________________________
3. Ketinggian Air_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
4. _____________________________________________________________________________________________________________________________________________________________________________________________________________________
5. ______________________________________________________________________________________________________________________________________________
6. _____________________________________________________________________________________________________________________________________________________________________________________________________________________
KESIMPULAN
_________________________________________________________________________1. _______________________________________________________________________2. _______________________________________________________________________3. _______________________________________________________________________4. _______________________________________________________________________
JAWABAN PERTANYAAN1. ______________________________________________________________________
______________________________________________________________________a. ___________________________________________________________________
___________________________________________________________________
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Gambar 5.7Percobaan pemuaian zat cair
PRAKTIKUM IPA DI SD PDGK4107/MODUL 5
b. ______________________________________________________________________________________________________________________________________
c. ______________________________________________________________________________________________________________________________________
d. ______________________________________________________________________________________________________________________________________
2. ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
C. PERCOBAAN PEMUAIAN BENDA GAS
No
.
Cara Pertama Keterangan
1. Sebelum botol dipanaskan apa yang terjadi dalam air.
2. Setelah botol dipanaskan! Apa yang terlihat dalam
air.
3. Kira-kira berapa lama setelah pemanasan timbul
gelembung air.
No Cara Kerja Keterangan
1 Sebelum botol dimasukkan ke dalam air panas keadaan balon
2 Setelah botol dimasukkan ke dalam air panas posisi balon
3 Lama pemuaian gas dalam botol diperkirakan
4 Suhu maksimal air saat botol dimasukkan dalam ember.
KESIMPULAN____________________________________________________________________________________________________________________________________________________
JAWABAN PERTANYAAN1. _______________________________________________________________________
A. ___________________________________________________________________B. ___________________________________________________________________C. ___________________________________________________________________
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Tabel 5.5Percobaan pemuaian benda gas
Tabel 5.6Percobaan pemuaian benda gas
PRAKTIKUM IPA DI SD PDGK4107/MODUL 5
______________________________________________________________________
A. ___________________________________________________________________
B. ___________________________________________________________________
2. _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
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