USE THIS LINK TO WATCH THE VIDEOS ON SOUND AND ITS PROPERTIES
https://www.youtube.com/watch?v=_ovMh2A3P5k
https://www.youtube.com/watch?v=PDiQu_W1fmQ
USE THIS LINK TO DO AN QUIZZES ON SOUND AND ITS PROPERTIES
(Click on QUIZ icon which is shown on the below on the right hand side)
http://marg.mhost.com/quizes/Sound/soundwaves.htm
http://www.softschools.com/quizzes/science/sound/quiz764.html
REMEMBER TO SHARE YOUR COMMENTS REGARDING THIS VIDEOS AND ONLINE QUIZZES
https://www.youtube.com/watch?v=_ovMh2A3P5k
https://www.youtube.com/watch?v=PDiQu_W1fmQ
USE THIS LINK TO DO AN QUIZZES ON SOUND AND ITS PROPERTIES
(Click on QUIZ icon which is shown on the below on the right hand side)
http://marg.mhost.com/quizes/Sound/soundwaves.htm
http://www.softschools.com/quizzes/science/sound/quiz764.html
REMEMBER TO SHARE YOUR COMMENTS REGARDING THIS VIDEOS AND ONLINE QUIZZES