Scholastic Study Jams
http://studyjams.scholastic.com/studyjams/jams/science/energy-light-sound/sound.htm
http://studyjams.scholastic.com/studyjams/jams/science/energy-light-sound/sound.htm
Changing Sounds
http://www.bbc.co.uk/schools/scienceclips/ages/9_10/changing_sounds.shtml
Brainpop Video
https://jr.brainpop.com/science/energy/sound/
http://www.bbc.co.uk/schools/scienceclips/ages/9_10/changing_sounds.shtml
Brainpop Video
https://jr.brainpop.com/science/energy/sound/