Extension: Extension:

Title: 

Leaf Color Chromatography

Aim: Why leaves change colour autumn 

Materials:

Glasses
Isopropyl alcohol
filter paper
scissors
Leaves

Step 1- Cut the leaves into little bits in the cup. 

Step 2- Cover the leaves with Isopropyl alcohol.

Step 3- Grind up the isopropyl alcohol and leaves together. 

Step 4- Put all the cups with the leaves in a big glass blow with hot water for 30 mims.

Step 5- Cut the filter paper in lines and put three of the lines in the cups.

Step 6- Then the water changers colours in the cup

What Is White Powder?

Today you will be a forensic chemist. 

A bag of white powder has been confiscated by the airport customs. You need to find out what white powder it is?

Aim: To learn about the makeup of different white powders.

There are  a number of different white powders in our everyday life. Some of these are harmful and others are not. Test the four white powders listed to see which one has been found at the airport.

Here are some examples of everyday kitchen white powders.

Flour

Cornflour

Sugar

Salt

Baking Soda

Baking Powder

Icing Sugar

Tartaric Acid

Citric Acid

Gluten Free flour

Materials

1.  Corn flour
2.  Baking Soda
3.  Salt
4.  Water
5.  Sugar 
6.  Vinegar
7. Lodine

Upload a photo of each powder.

1.  Cornflour
2.  Baking Soda
3.  Salt
4. Sugar

On the black cardboard using a microscope you need to record what you see. You will be given a small amount of 4 white powders on your cardboard. Look at them under your microscope and record what you see.
Do not mix the powders or taste the powders.

Findings:

	Sugar	Salt	Baking Soda	Cornflour
Appearance	white powder	white powder	white powder	white powder
Texture	rough	rough	smooth	hard
Smell	sweet	salty	fizzy	thick
Iodine	Black	Gold	Little brown hard dots	foamed
Water	Black	no effect	fizzed	Went hard
Vinegar	Black	no effect	fizzed	Went hard and with black

Write a paragraph about your findings.

Upload a photo of each powder.

 
 


On the black cardboard using a microscope you need to record what you see. You will be given a small amount of 4 white powders on your cardboard. Look at them under your microscope and record what you see. 
Do not mix the powders or taste the powders.

Making Sherbet

Using the following recipe you need to make sherbet.

Sherbet recipe

Recipe: 

1 tsp of powdered drink crystals (eg refresh)
1/4 tsp citric acid
1/4 tsp tartaric acid
1/4 tsp -baking soda.
Put all ingredients into a zip lock bag, stir, and enjoy.

Materials:

1.little bag  

2.Sugar

3.Baking Soda

4.Cornflour

5.Vinegar

Findings:

Sherbet	First Whaea Jo put in the bag was 1/4 tsp taraic acid. Then we went over to Mr Pamler and Mr Pamler put in was sugar and cornflourand I think so vinegar to.
Taste	When I tasted it was so sweet is was pink and you could see so withe to.

Scones

Aim: To look at different kitchen ingredients in scones and their effects

ou will be in groups of 3. Your group must have a group name.

You will each have a role for the first scone, then rotate roles for the next two.

1. Collector - Collects ingredients then writes label

2. Mixer - Mixes ingredients

3. Baker - Rolls mixture into scone shape

When one person in the group is doing their role the others will be writing their blog.

Your group will:

• 
  

  Make 3 types of scone.
• 
  

  Normal plus 2 others.
• You will make the scone, shape it on your plate, bring it up and place it on the oven tray with a clearly written label. The label must have Group Name and Scone Type.

Scone types:

1. 
   

   No butter
2. 
   

   No Baking Powder
3. 
   

   No milk
4. 
   

   With Lemonade
5. 
   

   With Baking Soda

• 
  

  Draw up a chart to record your findings
• 
  

  Make 3 recipes using the following quantities

Recipe:

• 1/2 cup Edmond standard flour

• 1 tsp Edmond baking powder  or 1 tsp baking soda                   

• 
  

  2 tsp butter

• 
  

  1/4 cup milk, approximately or 1/4 cup lemonade.

The recipes my group chose were:

1. Normal

2.Lemonade

3. .Lemonade with baking soda

The other two recipes were:

1. Name: lemonade

Ingredients:

• 1/2 cup Edmond standard flour

• 1 tsp Edmond baking powder                             

• 
  

  2 tsp butter

• 
  

  1/4 cup lemonade.

2. Name: lemonade with no baking soda

Ingredients:

  

• 1/2 cup Edmond standard flour

• 
  

  1 tsp  baking soda                            

• 
  

  2 tsp butter

• 
  

  1/4 cup lemonade.

Materials:

1.½ cup of Edmond standers flour

2. 1 tsp Baking soda or baking powder

3. 2 tsp of butter

4. ¼ of lemonade or milk

5. A bowl

6. A oven

Process

Step 1: add the flour

Step 2: add some baking soda or baking powder

Step 3: add butter

Step 4: add lemonade or milk

Step 5: mix them up

Step 6: cook

findings

Trial	colours	taste	height
normal	Crispy Gold	yum	40mm
lemonade	Goldy yellow	good	45mm
No baking soda and lemonade	Brown and gold	Really gross	46mm

Conclusion

When we did the taste test the first 2 were good

And the last was worse because it had no baking soda  we cooked them for 10 minutes at 200 degrees

Skittles

Petrie dish

Aim:  To separate colours by using the process of chromatography.

Materials: 
Petrie 
Wash
Skittles
Water

Process:

Step 1. Get and container with skittles.

Step 2. Put water in the container.

Step 3. Then let the skittles sit.

Step 4. Then you can eat then.

Step 5. Clean the container.

Step 6. Put the container away.

Findings: Write about what happened.

Reflection: What have I learnt from this experiment?

What did the colours do?
Did the colours mix together?
Why or why not?

Extension:

What is another experiment you could do using chromatography and how would you do it.

Dirty Water Experiment

Aim: To make a filtration plant using household materials.

Filtration is separating solids from liquids by adding a medium through which only the liquid can pass.

Examples are:

1.kidneys

2.Jug

3.plunger

4.Tea bags

Materials:

1.Bottle

2.  stone

3.sand

4.dirty water

5. filter paper

6. cup

7.craft knife

8. scissors

Process

Step 1

Cut a empty water bottle

Step 2

Put the top half upside down into the other half.

STEP 

Add layers of ,sand,stones,dirty water.

STEP 4

Get a cup of dirty water.

STEP 5

Pour the dirty water into the bottle.

By Quaiden