Variety of animated videos. See menu at bottom left to narrow down topics, including health/science. For instance, there is a particularly good animation of the heart
Instructional guides with model that include authentic performance of PBL assessments with accompanying rubrics. Separated by discipline, including the arts. Rec. by Megan Utter
This particular Richard Byrne entry describes a pearltree used to catalog some useful tech resources for teachers. You can learn about the resources and pearltrees in the process.
Excellent Livebinder with resources for rationale for building a PLN, tools and ways to find other educators to connect with.. Created by an Evansville educator
Laura Candler is a former teacher who has so many great ideas, she became her own industry! You will find many free or inexpensive resources on her website, and she shares quite freely. Sign up for her newsletter, be sure to check out the file cabinet of free ideas, and check out the other links she recommends. You can also like her page on Facebook. She frequently offers good deals or free resources there as well.