Acids &O pH
What scale measures how acidic or basic a food is.
What is pH?
Salt preserves food by removing this.
What is moisture?
or
What is water?
Sugar preserves food by tying up this.
What is water?
Fermentation uses this to preserve food.
What is good bacteria?
What method uses cold temperature to slow bacteria?
What is refrigeration?
Vinegar is this type of substance.
What is an acid?
The movement of water from high concentration to low concentration is called?
What is osmosis?
This fruit spread is made from crushed fruit and sugar.
What is jam?
Yogurt is an example of this preservation method.
What is fermentation?
Which preservation method lowers pH to slow spoilage?
What is acids?
Baking soda is this type of substance.
What is a base?
Using salt to preserve meat is called?
What is curing?
This fruit spread is made from fruit juice and sugar.
What is jelly?
Helpful bacteria for gut health are called.
What are probiotics?
This presesrvation method removes moisture using salt.
What is curing? or
What is salt preservation?
When vinegar and baking soda mix, they create carbon dioxide gas and a new substance. This type of change is called a ____ change.
What is a chemical change?
When water is removed from food, this cannot grow easily.
What is bacteria?
Jam has this type of texture compared to jelly.
What is thicker or chunkier?
Fermentation helps preserve food because good bacteria.
What is creates acid?
or
What is outcompetes harmful bacteria?
This method ties up water using sugar.
What is jam/jelly preservation?
Foods with a low pH help slow the growth of this.
What is bacteria?
Explain how osmosis helps preserve food.
What is salt pulls water out of food, so bacteria cannot grow?
Why does sugar help jam last longer?
Name one fermented food besides yogurt.
What is sauerkraut, kimchi, pickles?
Compare jam and jelly.
Jam = crushed fruit; Jelly = fruit juice
Jam is thicker. Jelly is smoother.