Invisible Science... or is it? 👀 Surface tension's not always easy to see, but with a little bit of food coloring and a lot of science, Ava and Eleanor dive right in! Materials needed: - bowl - milk - dish soap - cotton swab - various shades of food coloring - pepper (optional) Stream Mini Fab Science Lab on YouTube and the PBS app! #PBSNC #RootleNC #MiniFabScienceLab #AcidBase @TeamGeniusSquad @ncculture @ncdhhs @ncstate @ncstatewilson