(Jon of the Clue Crew makes a chemical volcano.)  Mixing hydrogen peroxide & yeast creates foam, steam & notably causes heat to be given off in this type of 10-letter chemical reaction
[DOC] [TLE] Groundwater {Handbook} [PAR] Figures (continued) Number Page 4-9 The chemical quality of ground water ... 
flows from areas of recharge to areas of discharge 58 4-10 Movement of water 
into and out of ...... Chemical reactions can also take place which cause a 
dissolved molecule, ......