Subject-specific Encyclopedias and reference materials on a wide range of topics
K-12 Streaming Video
TED Ed isn't the only place to find excellent, informed, idea-sparking videos.
Popular magazines and periodicals are a good place to start for background research. See the links below for ideas of where to look. In addiion, you're not reading deeply at this point, so if you find relevant books or scholarly aticles, just skim them.
