"Engage" video clip to begin ELEMENTS unit

This 3-minute video clip could spark interesting talking points from students who think they have already 'done' the periodic table in middle school - most HS students can quote that ninety-... See More

This 3-minute video clip could spark interesting talking points from students who think they have already 'done' the periodic table in middle school - most HS students can quote that ninety-odd elements are found naturally on Earth... when you ask them to hypothesize how the elements may have got there, you will usully be met with blank looks! There is a nice Chem Matters article on this topic, but I intend to use this video clip to introduce the ELEMENTS unit this year.