Second and third graders have used their detective skills to identify a mystery liquid and reveal a secret message using red cabbage. This experiment is available as a virtual activity online at the ZOOM website. To create your own “invisible ink” write with a cotton-swab using a solution of baking soda and [...]
Entries Tagged as 'Sinkholes'
Science Lab Update
October 28th, 2008 · No Comments
Tags: CSI · Earth and Space · Environment · Sinkholes
