Yeast.

Yeast are fungi.

Yeast has been around for a long time.

Yeast is all around us in the air.

There is natural yeast.

There is also man made yeast.

There are over one thousand kinds of yeast.  

Equipment 

• Spoons 

• Kettel

• Bowl

• Beaker

• Cloth sieve

• Funnel

• Plastic (PET) bottle and cap.

Materials 

Bug (for a group of 3)

• 50ml warm water 

• ½ tsp active dried yeast

• ½ tsp sugar 

• ½ tsp ground ginger 

Ginger beer ( for 1 litre )

¾ cup sugar 

½ tsp cream of tartar

1L cold water 

Juice of ½ lemon 

1 tsp ginger beer bug.

Method 

1. In a large bowl. Put the sugar and cream of tartar, then add the warm water.

2. Stir to dissolve the sugar before adding the cold water.

3. Add the ginger beer bug to the large bowl of cold water.

4. Stir well and then pour into your clean bottle.

5. Label your bottle with your group names.

6. Place all the bottle in the class container 

7. Store in a cool, dark place for one week before drinking.

8. Make sure you open the bottle in the kitchen as it might overflow. Open the cap bit by bit to allow the air to escape.

9. 

Breads, muffins, croissants