New: rainbowscienceAll contenthive-129948hive-196917krhive-150122hive-180932zzanhive-185836steemhive-183959hive-166405hive-144064hive-188619hive-183397hive-101145hive-145157hive-180301uncommonlabphotographyhive-139150hive-109690hive-103599steem-atlasphotohive-170554bitcoinTrendingNewHotLikersdanimango (25)in rainbowscience • 7 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.