6.3 Sounds move

Good morning students of grade:1A.Today is tuesday-21.04.2020
Today's our topic is about how sounds move.
Look at the picture of the science learner's book page number-56,a man is sinking in the water and he is asking for help ,no one can hear sound  because one girl  staying near to him is  listening to music and two men in the boat is far away from him.That means sound is getting quieter when it away from the sound source
Watch this video and understand more about it