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The smell of earth after rain; is called Petrichor, and it is caused by Geosmin. Geosmin is an organic compound with the formula C12H22O. It’s produced by several classes of microbes, including cyanobacteria (blue-green algae) and actinobacteria (especially Streptomyces), and released when these microbes die. The human nose is extremely sensitive to geosmin and is able to detect it at concentrations as low as 5 parts per trillion.

BEST WAY TO LEARN THE ELEMENTS! - Periodic Table Song

Periodic table showing you an example of how each element is used. Great for kids!

elements.wlonk.com

elements.wlonk.com

This channel has a video about each element on the periodic table, with a link to the website (I wanted to pin that but it couldn't grab the image) #homeschool #science #chemistry #videos

Song for the first ten elements of the periodic table.

Using Legos to teach elements, compounds, and mixtures.

How they REALLY made the periodic table #Homeschool @TheHomeScholar

Using Legos to teach elements, compounds, and mixtures.

Finding the Elements of the Periodic Table in your home--GREAT idea to bring into the CC classroom!

The most awesome nerdy youtube channel: Periodic Table of Videos. fantastic videos about elements and chemistry ....including this Periodic Table Rap.

Elements Lapbook Example, several pics in link