

Materi Kelas 4 IPA
Presentation
•
Science
•
1st Grade
•
Hard
hartini kuningan01
FREE Resource
3 Slides • 3 Questions
1
by hartini kuningan01
2
Bunyi merupakan hasil dari getaran suatu benda yang merambat dalam bentuk gelombang. Oleh karena itu, bunyi sering disebut sebagai gelombang bunyi. Bunyi dihasilkan oleh benda-benda yang bergetar.Getaran dari suatu benda akan mengakibatkan udara di sekitarnya bergetar. Getaran tersebut menimbulkan gelombang bunyi di udara. Benda-benda yang bergetar dan menghasilkan bunyi disebut sumber bunyi.
3
Bunyi termasuk gelombang longitudinal (gelombang yang arah rambatnya sejajar dengan arah getarnya).
Perambatan bunyi membutuhkan medium padat, cair, dan gas.
Bunyi dapat dipantulkan.
Bunyi dapat diserap
Bunyi dapat dipadukan
4
Multiple Choice
Bunyi berasal dari benda yang ....
diam
bergetar
bercahaya
berenergi
5
Multiple Choice
Bunyi bel merambat sampai ke telinga melalui ....
udara
kayu
besi
air
6
Multiple Choice
Bunyi yang dapat didengar oleh manusia disebut ....
infrasonik
ultrasonik
audiosonik
hipersonik
by hartini kuningan01
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