Easy Earth Day Science Experiment (STEM Activity)

Close-up of blue and green bubbly foam reactions with baking soda, for an Eath Day science experiment. A pipette is seen in the top right corner, releasing blue liquid that creates more bubbling upon contact with the powder.

Close-up of blue and green bubbly foam reactions with baking soda, for an Eath Day science experiment. A pipette is seen in the top right corner, releasing blue liquid that creates more bubbling upon contact with the powder.