Ah!! Dihydrogen monoxide! Feel free to share with friends prior to explaining to them what dihyrdogen monoxide really is... and then you can tell them why chemistry actually kinda matters! :)

I hope now that it is coming to the end of our class, you will each be able to appreciate this! Everything is composed of chemicals!!

I am not sure it linked properly. You want to be able to click on the link and be taken directly to the website you found...

THis page gives an awesome overview of scale within the universe.

Some of the information in these videos is more advanced than what we will cover in this course, but students have told me this website was helpful to them.