Contoh Laporan Praktek UT PGSD Semester 2 PDGK4107 Praktikum IPA di SD Modul 6

LEMBAR KERJA

PRAKTIKUM IPA DASAR DI SD

GELOMBANG

 Kegitan Praktikum 1

A. KEGIATAN PRAKTIKUM JENIS DAN BENTUK GELOMBANG Percobaan Jenis-jenis gelombang

 Hasil pengamatan

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 Pembahasan

PRAKTIKUM IPA DI SD PDGK4107/MODUL 6

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 KESIMPULAN

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Percobaan Sifat Pemantulan Gelombang

 Hasil Pengamatan:

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 Pembahasan:

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 Kesimpulan

1.

Percobaan Sifat Pemantulan Gelombang

 Hasil Pengamatan

1. ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ 2. ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________

 Pembahasan

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 Kesimpulan

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B. KEGIATAN PRAKTIKUM GETARAN DAN BUNYI Percobaan getaran benda pada pegas

 Hasil pengamatan mengukur getaran benda pada pegas

Masa benda = 100 gram

Percobaan ke

Waktu 20 getaran (sekon)

Periode (sekon) Frekwensi

(hertz)

 Hasil pengamatan pengaruh massa terhadap frekuensi Tabel 6.1

PRAKTIKUM IPA DI SD PDGK4107/MODUL 6

Massa benda (gram)

Percobaan ke Waktu 20 getaran

(sekon) Periode(sekon) Frekwensi(hertz) Hertz

150

 Pembahasan

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 Kesimpulan

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Percobaan getaran benda pada ayunan (bandul sederhana)

 Hasil pengamatan

Panjang tali (f) = 100 cm (tetap)

Beban (gr) 10 T (s) T periode (s) f frekuensi (Hz) Tabel 6.2

Pengamatan pengaruh massa terhadap frekuensi

Tabel 6.3

90 100

Massa beban (m) = 60 gram

Beban tali (l) (cm) 10 T (s) T periode (s) T2

100 90 80 70 60 50 40 30 20

 Pembahasan

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 Kesimpulan

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Tabel 6.4

PRAKTIKUM IPA DI SD PDGK4107/MODUL 6

Percobaan benda bergetar sebagai sumber bunyi

 Hasil pengamatan

No. Panjang mistar yang menonjol (cm)

Menimbulkan bunyi Keterangan

Ya Tidak

 Pembahasan

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 Kesimpulan

1. ___________________________________________________________________

2. ___________________________________________________________________

Percobaan Resonansi Bunyi

1. Resonansi ayunan bandul

 Hasil pengamatan:

No. Bandul A Bandul B Bandul C

1.

2.

 Pembahasan

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Tabel 6.5

Pengamatan benda bergetar sebagai sumber bunyi

Tabel 6.6

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 Kesimpulan

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2. Resonansi bunyi

 Hasil pengamatan

Resonansi K2 Panjang kolom udara_(l) Suhu (T) Keterangan

1(satu) 2(dua)

 Pembahasan

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 Kesimpulan

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 Kegiatan praktikum 2

A. KEGIATAN PRAKTIKUM KEPEKAAN INDERA PENDENGARAN MANUSIA Tabel 6.7

PRAKTIKUM IPA DI SD PDGK4107/MODUL 6

 Hasil pengamatan

No. Jarak Telinga sebelum ditutup Telinga setelah ditutup Ket.

Telinga kiri Telinga kanan

1. 1 m

2. 3 m

3. 6 m

4. 9 m

5. 12 m

 Pembahasan

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 Kesimpulan

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B. KEGIATAN PRAKTIKUM STRUKTUR DAN FUNGSI TELINGA

 Hasil pengamatan

1. __________________________________________________________________ 2. __________________________________________________________________ 3. __________________________________________________________________ 4. __________________________________________________________________ 5. __________________________________________________________________ 6. __________________________________________________________________ 7. __________________________________________________________________ 8. __________________________________________________________________ 9. __________________________________________________________________

No. Nama organ Bagian telinga Keterangan

Luar Tengah Dalam 1.

2.

Tabel 6.8

Pengamatan kepekaan indera pendengaran manusia

Tabel 6.9

3.

4.

5. 6. 7. 8.

9. 10. 11. 12.

 Pembahasan

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PRAKTIKUM IPA DI SD PDGK4107/MODUL 6

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C. KEGIATAN PRAKTIKUM MEKANISME TRANSMISI PENDENGARAN

 Hasil Pengamatan

a. Gendang pendengaran

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_________________________________________________________________ _________________________________________________________________ e. Cairan limfa

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 Pembahasan

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 Kesimpulan

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 Jawaban pertanyaan