yeast science

yeast is a type of fungi. yeast can die and is made up out of lots of cells. yeast has a expiration date and if you want it to life to that date it needs to be kept in a fridge.

 yeast can make carbon dioxide and yeast is also found in your beer or wine. if you have yeast and yogurt to gether before going to have a beer can cause you to not have a head ack in the next morning but yeast also can cause you to have an hangover as well.

yeast has been used for hundreds of years by Egyptians and more.

yeast is all around us and is in the air. 

~ ginger beer recipe ~

    ~for 1 litre ~

bowl 

beaker

 cloth sieve

 funnel

Plastic bottle

50ml warm water

1/2 tsp active dry yeast

1/2 tsp suger

1/2 tsp ground ginger

3/4 cup suger

1/2 tsp cream of tartar 

1L cold water

juice of 1/2 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 ur into your clean bottle

 5. label your bottle with your group names.

 6. Place all the bottles in the class container.

7. store in a cool, dark lace for one week before drinking 

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

the ginger beer must be drunk over the 6 days.

you must provide your own bottle

9.