Investigating decay of organic matter at warm temperature 6A

Investigating evaporation and condensation in a bottle using salty water 4A

Chemical reaction - Making gas class 5 A

Janmashtami celebration

Vrikshabandhan class5A

Exploring air resistance 6A

properties of Gas Class 5 A

Changing pitch and volume of sound

Changing pitch of sound in wind instruments and increasing volume of sound by trapping vibration.

sound is created when object vibrates