Lap Praktek Fisika UT PGSD PDGK4107 Praktikum IPA di SD

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.

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2.

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Tabel 5.1
Kenaikan Suhu Es

No

2 menit
ke 1

Kenaikan suhu

Suhu pada
termometer

Keterangan

1
2
3
4
5



Gambar 5.1
Percobaan Es yang dilebur dalam
bejana panas

KESIMPULAN
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b. ______________________________________________________________________
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PRAKTIKUM IPA DI SD

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PDGK4107/MODUL 5

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JAWABAN PERTANYAAN
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B. PERCOBAAN WUJUD PADAT MENJADI GAS DAN SEBALIKNYA
Tabel 5.2
Pengamatan wujud padat
menjadi gas dan sebaliknya pada Kapur Barus

N
o

Kristal

1

Yodium

2

Kapur barus

3

Naftalin

Percobaan pada yodium

Mencair dulu
Ya apa Tidak

Langsung menguap
Ya apa tidak

Percobaan pada kapur barus

Keterangan

Percobaan pada naftalin

Gambar 5.2
Percobaan pemanasan perubahan wujud padat
menjadi gas dan sebaliknya

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KESIMPULAN
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PRAKTIKUM IPA DI SD

PDGK4107/MODUL 5

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JAWABAN PERTANYAAN
1.

2.

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C. PERCOBAAN WUJUD CAIR MENJADI GAS
1. PROSES AIR MENJADI UAP/ GAS DAN MENJADI AIR KEMBALI
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Gambar 5.3
Percobaan wujud cair menjadi gas (uap air)

2. KESIMPULAN
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JAWABAN PERTANYAAN
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PRAKTIKUM IPA DI SD

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2. _______________________________________________________________________
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 Kegiatan Praktikum 2
A. PERCOBAAN KONDUKSI
N
o
1

2
3
4





Jenis bahan

Lilin mencair
pertama

Tabel 5.3
Pengamatan terhadaplilin

Lilin mencair
kedua

Lilin mencair

ketiga

Lilin mencair
keempat

Besi
Tembaga
Kuningan
Aluminium

Gambar 5.4

KESIMPULAN
Percobaan Konduksi
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JAWABAN PERTANYAAN
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b. ______________________________________________________________________
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PRAKTIKUM IPA DI SD

c.

PDGK4107/MODUL 5

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B. PERCOBAAN KONVEKSI
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C. PERCOBAAN KONVEKSI DALAM AIR
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JAWABAN PERTANYAAN
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1. _______________________________________________________________________
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2. _______________________________________________________________________
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Keterangan :
h = Koefisien konveksi
t = Perbedaan suhu
Φ = Massa

D. PERCOBAAN RADIASI
1. Pembahasan
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2. Kesimpulan
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PRAKTIKUM IPA DI SD

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PDGK4107/MODUL 5

Gambar 5.5
Percobaan radiasi
menggunakan lilin

JAWABAN PERTANYAAN
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 Kegiatan Praktikum 3
A. PERCOBAAN PERUBAHAN PANJANG



No.

Jenis Logam

1.

Tembaga

2.

Nikelin

3.

Kawat

Tabel 5.4
Pengamatan
Pertambahan
panjang
Pertambahan
Panjang

Gambar 5.6

Keterangan

KESIMPULAN
Percobaan pertambahan panjang pada
kawat tembaga yang dibakar
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PRAKTIKUM IPA DI SD

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JAWABAN PERTANYAAN
1. _______________________________________________________________________
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2. _______________________________________________________________________
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B. PERCOBAAN PEMUAIAN ZAT CAIR

Gambar 5.7
1. Suhu Larutan Merah
Percobaan
pemuaian zat cair
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2. Suhu Air Panas
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3. Ketinggian Air
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PRAKTIKUM IPA DI SD

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6. _______________________________________________________________________
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KESIMPULAN
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JAWABAN PERTANYAAN
1.

2.

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a.

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b.

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c.

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d.

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C. PERCOBAAN PEMUAIAN BENDA GAS

No

Tabel 5.5
Percobaan pemuaian benda gas

Cara Pertama

.
1.
2.

Sebelum botol dipanaskan apa yang terjadi dalam air.
Setelah botol dipanaskan! Apa yang terlihat dalam

3.

air.
Kira-kira berapa lama setelah pemanasan timbul
16

Keterangan

PRAKTIKUM IPA DI SD

PDGK4107/MODUL 5

gelembung air.

Tabel 5.6
Percobaan pemuaian benda gas

No
1
2
3
4




Cara Kerja

Keterangan

Sebelum botol dimasukkan ke dalam air panas
keadaan balon
Setelah botol dimasukkan ke dalam air panas posisi
balon
Lama pemuaian gas dalam botol diperkirakan
Suhu maksimal air saat botol dimasukkan dalam
ember.

KESIMPULAN
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JAWABAN PERTANYAAN
1. _______________________________________________________________________
A. ___________________________________________________________________
B. ___________________________________________________________________
C. ___________________________________________________________________
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A. ___________________________________________________________________
B. ___________________________________________________________________
2. _______________________________________________________________________
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