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. ______________________________________________________________________

______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

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Tabel 5.1 Kenaikan Suhu Es

Gambar 5.1 Percobaan Es yang dilebur dalam

bejana panas

PRAKTIKUM IPA DI SD PDGK4107/MODUL 5

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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

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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

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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

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2. Suhu Air Panas

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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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