Hey Guys
This week in science we will be learning about what yeast is
1.What Is Yeast?
Yeast is a fungi
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Yeast has been around for thousands of years.
There is natural yeast that is in the air.
Man made yeast in a bottle
Over 1000 kinds of yeast.
The gas that yeast makes is carbon-dioxide
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Equipment
1.Spoons
2.Kettle
3. Bowl
4.Beaker
5.Cloth Sieve
6. Funnel
7. Plastic (PET) Bottle and Cap.
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.Materials
For a group of three
1. 50ml warm water
2. 1/2 tsp active dried yeast
3.1/2 tsp sugar
Ginger beer (for one Litre)
1. 3/4 cup sugar
2. 1/2 tsp cream of tartar
3. 1L cold water
4. Juice of 1/2 lemon
5. 1 tsp ginger beer bug
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Method
1. In a large bowl, put the sugar and cream of the tartar,then add the warm water.
2. Stir to dissolve the sugar before adding the cold water.
3. Add the ginger 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 bottles 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 sink it might overflow.Open the cap bit by bit to allow the air to escape.
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1. What is Fermentation?
the chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat.
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2. What Effect Dose Sugar Have On Yeast?
Too little sugar in dough can slow down yeast activity
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3. What Are Three Foods That Have Yeast?
Breads Cakes Cookies
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Yeast
Bye Guys Hoped You Enjoyed
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