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

## Teks penuh

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### GELOMBANG

 Kegitan Praktikum 1

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

 Hasil pengamatan

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 Pembahasan

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PRAKTIKUM IPA DI SD PDGK4107/MODUL 6

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KESIMPULAN

1. _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ 2. _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ 3. _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________

Percobaan Sifat Pemantulan Gelombang

 Hasil Pengamatan:

______________________________________________________________________

 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

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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

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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

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

Tabel 6.4

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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

1. _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ 2. _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________

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

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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

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3.

4.

5. 6. 7. 8.

9. 10. 11. 12.

 Pembahasan

____________________________________________________________________ ____________________________________________________________________ 1. _________________________________________________________________ a. _________________________________________________________________ b. _________________________________________________________________ c. _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ d. _________________________________________________________________ 2. _________________________________________________________________ a. ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ b. ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________

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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

_________________________________________________________________ _________________________________________________________________ b. Tulang-tulang pendengaran

_________________________________________________________________ _________________________________________________________________ _________________________________________________________________ c. Tingkap Oval

_________________________________________________________________ _________________________________________________________________ d. Koklea

_________________________________________________________________ _________________________________________________________________ e. Cairan limfa

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 Pembahasan

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 Kesimpulan

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 Jawaban pertanyaan

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