There are many types of beer from the American Pale Ale all the way to the Imperial Stout. Beer is characterized by many different features:
- Appearance: The visual characteristics such as color, clarity, and the nature of the head
- Aroma: What first hits your nose
- Flavor: The taste of the beer from the malt, hops, and yeast
- Mouthfeel: The way the beer feels on the tongue
- Gravity: The measurement of the alcohol content
- Ingredients: The 4 main ingredients of beer are barley, hops yeast and water


