Beers that have a medicinal or plastic-like flavor may have traces or chlorine or iodine cleanser left in them. Chlorinated water can also cause these, and some yeast types can be the culprit. sources: Tasting Beer, More Beer
Acetaldehyde has the flavor of fresh cut green apples or green leaves. The beer is likely too young and the yeast hasn't had time to convert all the acetaldehyde to ethanol. sources: Tasting Beer, BJCP, How to Brew
This worksheet contains 18 conversation cards and a matching exercise. The cards can be cut out if desired and be used as conversation questions. Can be used with both young learners and adults (elementary up).