KET PBS LearningMedia has tons of great stuff for our students, but also some great content for teachers too.
This is my favorite so far… Growth Mindset Explained!
“Attack the Knack investigates student motivation in science, and explores how the types of feedback students receive can influence self-perception, effort, persistence and learning.”
From: Good thinking! - attack the knack. Retrieved January 5, 2016, from http://ket.pbslearningmedia.org/resource/ssecgoodthinking7/good-thinking-_-attack-the-knack/