Sound Year 4 Science (DLP) Flashcard

Front

Sound is produced by _________________.
Bunyi dihasilkan oleh _________________.

Back

vibrations, getaran

Front

A xylophone will produce sound when _____________.
Xilofon akan menghasilkan bunyi apabila _____________. Options: Rubbed
Digesek, Plucked
Dipetik, Knocked
Diketuk, Clapped
Ditepuk

Back

Knocked
Diketuk

Front

The instrument above produces sound through ____________. Alat muzik di atas menghasilkan bunyi melalui ____________. Options: Knocking, plucking, bowing, blowing

Back

blowing Meniup

Front

Why can Abu, who is in his room, hear the sound of the ice cream seller's bell on the street?

Back

Because sound travels in all directions

Front

What happens when sound hits a hard surface?

Back

The sound will be reflected.

Front

How is this sound produced?
Bagaimanakah bunyi ini dihasilkan?

Back

Bowing
Menggesek

Front

Sound travels in ________________

Back

all directions
semua arah

Front

What is the benefit of the sound as shown in this diagram?

Back

gives an emergency signal

Front

Jayden likes to shout and speak loudly when communicating with his friends in class. Is this situation beneficial or harmful to us?

Back

Harmful

Front

Why do we hear an echo when we shout in a large empty hall?

Back

Because sound is reflected off the walls