Malt Extract Syrup - Malt extract syrup is made from barley and has a lot of natural sugar in it.
Brewing yeast eats the sugar, and produces alcohol and carbon dioxide.
You'll need two cans of lightly hopped, light-colored extract for your first batch. Hops - Hops are flowers with a bitter flavor. The bitterness balances the sweet flavor of the malt. Hops are usually in the form of compressed pellets. You'll need about 1 ounce of the pellets.