A mixture measles, mumps, rubella, and varicella vaccine was licensed in the usa in 2005 and may be administered to children 4 years of age and older. The U.S. Centers for Disease Control and Avoidance recommends that all healthy children 12 a few months through 12 years of age receive two doses of chickenpox vaccine, administered at least 90 days apart. Children who’ve evidence of immunity to varicella do not need the vaccine. Those aged 13 and over who do not have evidence of immunity should get two doses of the vaccine four to eight weeks aside.In this experiment, you’ll dye drinking water using different coloured Skittles. Then, because of something called ‘density,’ you can create a liquid Density Rainbow! BackContinueLifesaver Lights Crunch, crunch, crunch. You’re chewing the candy in the mouth area, but did you know that you also may be wearing down its chemical bonds? Find out how Lifesaver Lights make sparks fly! BackContinueSink or Float? If you had to build a candy boat, would you choose a Hershey’s Kiss or 3 Musketeers bar? Discover out if indeed they Sink or Float. BackContinueOil Test Some chewy candy contains oil.