[header] How to make cheese pizza [title] Activate your yeast in warm water. [step] Add your yeast and sugar to the water (it should feel warm to the touch, but not warm enough to burn you) and lightly stir it. Let it sit for 6-7 minutes, until you see small bubbles forming at the surface of the water. 
[substeps] Activating the yeast is feeding it--it eats the sugar and drinks the water. The bubbles are carbon dioxide made when the yeast " breathes.