NZ Medal Winners

 Kia Ora,

Today I am sharing with you my slideshow of the NZ Medal winners for 2020. We had to do the 20 Medal Winners for the New Zealand team. Here it is:

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Science Yeast

 Kia Ora,
What is Yeast? 
Yeast is made out of egg shaped cells you can only see in a microscope. 
Since Yeast is alive it can also die. 
Yeast is Fungi, Yeast has been alive longer than anyone. 
There is over 1000 kinds of yeast.
Yeast produce carbon dioxide.
Yeast plays a role in beer and alcohol and is a big part in hangovers.
Equipment:

• Spoons

• Kettle

• Bowl

• Beaker

• Cloth sieve 

• Funnel

• Plastic (PET) bottle and cap.

Materials
Bug (for a group of 3)

•  50ml warm water

• 2. 1/2 tsp active dried yeast

• 3 1/2 tsp sugar

• 4 1/2 tsp ground ginger

Ginger beer (for 1 Litre)

• 3/4 cup sugar

• 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.

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

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

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

1. Label your bottle with your group names.

1. Place all the bottles in the class container.

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

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

What is fermentation? The chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat.
What effect does sugar have on yeast? Too little sugar in dough can slow down yeast activity: Yeast is a lot like us – it loves to eat sugar. Yeast needs sugar to produce carbon dioxide – the leavening gas that causes the dough to rise. If there is not enough sugar available, the dough will rise slowly or not at all.

Today we made ginger beer in class. We did this by activating the yeast first by adding sugar to the yeast,putting some ginger and warm water in a cup together. Once we had done this we put it to the side and left it to ferment while we made the rest of the ginger beer. We made the ginger beer in an ice cream container by adding first the sugar, then the water, some lemon juice and lastly the ginger beer bug. Once everything was mixed up we put it in a bottle. It is going to take about 6 days to turn into ginger beer. Mr Palmer is going to keep it in his office for the next week. 

Tokyo Olympics 2021

 Kia Ora,

Today I am sharing with you my slides for the 5 people I chose from the NZ team in the Olympics. Here is my slideshow:

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Chilli Tasting Experiment!

 Kia Ora,

Aim: To see which is the best way to cool down the hot chilli taste in your mouth when eating chilli.

Hypothesis: I think that by using coke I will be able to remove the hot chilli taste from my mouth.  

Equipment:

1. Milk

2. Coca Cola

3. Water

4. Chilli

5. Tasting cup

Method:

1. You will work in groups of three or four for this experiment. Each person in the group will use one of the drinks with the chilli. You will then swap results in your group of that everyone has the same results.

2. Each member of the group needs to have their own tasting cup. This will be used for putting the different liquids in as we cool off the chilli in our mouths.

3. Place a piece of chilli in your mouth 

4. You will drink the liquid that you have in your cup. As you do this you will complete a results chart.

    You will be recording the following using Yes or No

    The effectiveness of the liquid immediately.

    The effectiveness of the liquid after 3 minutes

Chilli Tasting Results

Record : Yes or No

	Immediately	After 3 minutes
Milk	Good/help	Better after
Water	Did Nothing
Coca Cola	It was the same	A Little better but still kinda hot

Summary and results:

The milk did not work immediately. After 3 minutes it had a small effect.

The coke had a small effect immediately. Coke had no effect after 3 minutes.

The water did not work immediately. The water did not stop the chilli after 3 minutes.

Conclusion:

Milk could be a solution when eating spicy foods- Literally. That's because milk helps your mouth handle capsaicin, an oily chemical compound in chilli peppers. Capsaicin binds to a receptor in the tongue and creates a burning sensation. Casein protein found in milk can also bind to the capsaicin and wash it away.