1.   Within hours the bubble had begun to expand and rise, sucking in the surrounding air.

2.   As it boils, the syrup becomes thicker as the water evaporates and big soaplike bubbles begin to form.

3.   A few bubbles will begin to form on the surface.

4.   Bubbles will begin to form, indicating that the soda is eating away at the acid.

5.   But as the dot-com bubble began to bulge, hard times set in for the publication.

6.   My seed-saving bible told me to wait until a layer of mold covered the surface or until bubbles began rising from the top.

7.   Place pan over medium-high heat until rolling bubbles begin to form.