Motion Resources and References
https://raisingchildren.net.au/babies/play-learning/play-baby-development/movement-play-babies
https://raisingchildren.net.au/toddlers/play-learning/play-toddler-development/movement-play-toddlers
https://www.chhs.niu.edu/child-center/resources/articles/music-and-movement.shtml
http://www.encyclopedia.com/topic/mechanics.aspx#2
http://www.encyclopedia.com/topic/motion.aspx#2
http://en.wikipedia.org/wiki/Motion_(physics)
http://www.britannica.com/EBchecked/topic/371907/mechanics
https://raisingchildren.net.au/newborns/play-learning/play-ideas/movement-play-newborns
https://theconversation.com/infants-need-lots-of-active-movement-and-play-and-there-are-simple-ways-to-help-them-get-it-173975
https://raisingchildren.net.au/toddlers/play-learning/play-toddler-development/movement-play-toddlers
https://www.chhs.niu.edu/child-center/resources/articles/music-and-movement.shtml
http://www.encyclopedia.com/topic/mechanics.aspx#2
http://www.encyclopedia.com/topic/motion.aspx#2
http://en.wikipedia.org/wiki/Motion_(physics)
http://www.britannica.com/EBchecked/topic/371907/mechanics
https://raisingchildren.net.au/newborns/play-learning/play-ideas/movement-play-newborns
https://theconversation.com/infants-need-lots-of-active-movement-and-play-and-there-are-simple-ways-to-help-them-get-it-173975