When this happens, light becomes separated into a rainbow of colors—red, orange, yellow, green, blue, indigo (blue-violet), and violet. In this activity, you can make your own rainbow.

Stir until a vortex (or “tornado”) forms. The stirrer will need to keep stirring throughout the activity. While stirring the solution, add 10 mL (1 tbls) of vinegar. Continue adding vinegar in 10 mL ...

Put food colouring in each of the small clear containers and add a little water to each ...

Childrens' rainbow pictures have become a familiar sight in windows across the UK and have become a symbol of hope during the coronavirus crisis. Rainbows have symbolised many things over the ...