Science: Make a rainbow

Pictured above, my preschooler's rainbowAfter reading books on Leprechauns and Rainbows, we decided to make our own rainbow indoors!Materials:A shallow pan or drinking glassWaterA mirrorWhite paperA strong light source such as a lamp or a flashlightWhat to do:1. First, we filled our drinking glass about 3/4 full with water.2. Then, place the mirror flat in front of the drinking glass. (when