NASA’s Education Materials Finder is a tool to help teachers find NASA resources (since there are A LOT!). The Resource Finder lets the user search by grade range, types of resources, and content area.
I also love that it shows you the number of resources available. For example, when I searched for K-4/Video Learning Clips/life science there are 36 materials found- very slick!
This is a great tools since the volume of resources on NASA.gov is almost overwhelming.