New: rainbowscienceAll contenthive-129948hive-196917krzzanhive-183959steemhive-180932photographyhive-166405hive-144064uncommonlabhive-185836bitcoinhive-183397krsuccesshive-150122hive-188619hive-124908hive-101145lifehive-145157hive-139150hive-109690hive-184714hive-103599TrendingNewHotLikersdanimango (25)in rainbowscience • 6 years agoWalking rainbowsimply fill 3/4 containers with food colouring and water. Fold tissue/kitchen roll and place it dipped between two colours. Watch as the colours mix and learn a little about absorption.