อยากได้แบบฝึกหัดฟรีนับพัน (ไม่มีสิ่งรบกวนเลย)? Here’s how
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Science
Acoustics, Echolocation, Sonar, Ultrasound.
Musical instruments
Sound, vibrate
Types of musical insrtuments
P5-1 Term 2 Science Final Test Sound, Hearing
It's all about sounds
The origin of sound , transmission and other characteristics.
6.1.4 beneficial and harmful sound
Energy and sound
Types of Sound
Sources of sound
Sm sd 1 science sound
Making sound
Learn about the properties of sound.
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Given exercise on Text book
learning about sound beat
Sound and energy
Made by muhammad omer from year 5B star private school
Chapter 5 - Sound worksheet
about sound