Kindergarten Math. Kids love online flash games! Theyâre a great way for students to brush up on their math vocabulary. Math games for kids can help make learning math fun with games, flash cards, worksheets, and activities. Math is so much easier when there are cool games to play for online learning. Children can start with flash cards and work up. Teaching math has never been easier!
Overview. 1  Quinine, a bitter tasting powder made from the bark of the cinchona tree, is known mainly for its use in malaria treatment. 2  Tonic water, a bitter liquid sometimes used as a mix for alcoholic drinks, contains only a small amount of quinine compared to quinine medications.
Tonic water, which is a major component in gin and tonic, is a bitter-tasting effervescent mixer. Its main ingredient is quinine, which was once used for medical purposes. In the 1700s, quinine was discovered to have the ability to treat or at least prevent the onset of malaria.