WONDER #1219: Why Is There So Much Foam in a Root Beer Float?
Question 1 of 3
Root beer gets its name from the fact that it was originally made from the root of which plant?
- ice cream
Question 2 of 3
Root beer floats foam up so much because what gas is released from the soda and then trapped by the fat molecules in the ice cream?
- carbon dioxide
- nitrous oxide
Question 3 of 3
Root beer is believed to have been invented late in what century?
Check your answers online at https://www.wonderopolis.org/wonder/why-is-there-so-much-foam-in-a-root-beer-float.