A list of databases and indexes covering Chemistry and related areas (Materials Science, Physics)
Note: Scifinder Scholar requires registration. Please email email@example.com for the URL.
There are lots of great videos of chemical demonstrations and lectures on the web:
The video below is from one of the many collections from the Royal Institution's RI Channel in the UK: http://richannel.org/.
Learners TV has many short lecture videos for chemistry topics: http://www.learnerstv.com/Free-Chemistry-video-lecture-courses.htm
Khan Academy has many introductory chemistry lecture videos: https://www.khanacademy.org/science/chemistry
Periodic Table of Videos covers many chemical topics: http://www.youtube.com/channel/UCtESv1e7ntJaLJYKIO1FoYw