What are the best conditions for yeast to be active?
We put sugar water and yeast into three bottles. One had warm water, one had cold and the third had hot water. Over the top of the bottle we put a balloon. Which bottle do you think inflated the balloon?
We put bread under different conditions to see which promoted the best mould growth.
– dark and damp
– light and damp
– dark and dry
-light and dry
Which do you think created the best mould growth?