การดู
54:14
Matter and Its Composition Class 7 Science || Complete Chapter || ICSE
12:37
ICSE Physics Class-7
5:13
DEMONSTRATION OF IMAGE FORMATION BY PLANE MIRROR | GRADE 7-12 | PHYSICS
35:13
Electricity and Magnetism | ICSE Class 7 | Physics Online Class | Session 6 - Swiflearn
38:40
Electricity and Magnetism | ICSE Class 7 | Physics Online Class | Session 1 - Swiflearn
1:19
how an electric bell works / 3D animation
7:13
Characteristics of Sound | Pitch, Loudness and Quality | Physics
1:55
Properties of Sound Waves Lesson Loudness Pitch and Quality
