Imma come back like a Boomerang, Jojo Siwa who?

Explain the purpose of the activity
In the migration topic, we have been focusing on the Indigenous people of Australia. One of the many tools that they used were Boomerangs. Boomerangs were used for hunting and used as toys for children to play with. After doing a research project on Boomerangs, we were tasked with creating a design for our own boomerangs. Using the knowledge that we now have, we all created a design and painted it on a boomerang. The purpose of this activity was to utilise what knowledge we have now gained and put it into a final product. By creating a story using Aboriginal symbols, we used our new knowledge and did something with it, we managed to create a final product that actually showed our learning.

Explain the story that your boomerang tells, and include what the colours mean
The story that I have on my final boomerang is different from the story that I had originally. When I was first coming up with my concept design, I had a very complex story and had many complicated symbols that proved to be tricky to pain, so I simplified my design quite a bit. At the start, I had taken a legend about the humans invading the watering hole that the animals drink from, but the symbols that I used were extremely complicated to paint and ended up looking messy when I had painted it so I ended up covering it up. The brown background represents the dirt areas of Australia, many parts of Australia are covered by dirt, so I thought I would include that. The blue and green swirly circle represents the watering hole and the black arrows represent Kangaroo tracks, I used the white dots to symbolise humans entering the watering hole area and had the Kangaroo tracks leaving the watering hole. The yellow, black and red dots all over the Boomerang are the colours of the Aboriginal flag, so I decided to include them as well! I did the particular zig-zag pattern because it is very similar to other Boomerangs that some of the Indigenous Aborigines used.

What was a challenge during this activity?
There were a few teething problems with my Boomerang. During the painting process, I completely changed up my idea and kind of messed up really badly when I was painting the dots, but other than that, it was a success. I used a pen end to do the dots, so I can't really expect much. The final throwing of the Boomerangs was fun, other than the fact that we threw them when it was foggy so if it went quite far, we would have a hard time finding them as the fog was quite thick. The initial throwing of my boomerang was sadly underwhelming, my athletic ability isn't exactly the best so the boomerang didn't go very far. But I still enjoyed throwing it because my design looked quite nice in the air.

Children of Blood and Bone quote interpretation

Chapter 30 - Amari
"Chaos.
Before this moment, I never truly understood the word. Chaos meant
Mother’s screams before a luncheon. It meant the scramble of oloyes to their
gold-lined chairs.
Now chaos surrounds me, pulsing through every breath and heartbeat. It sings
as blood splatters through the air, snickers with delight as boats explode into
oblivion"

Chapter 30 - Amari 
The Children of Blood and Bone novel incorporates many real-world issues into its text. This quote is in a chapter written in the eyes of Amari, a princess who has never been exposed to poverty and only knows what lies inside the palace walls. As she goes on this journey, she encounters various situations that she has not been exposed to in her royal life and truly opens her eyes to the kingdom her father reigns. As Zelie and Tzain enter the arena, Amari sees what true chaos is. Although many of us cannot relate to being a royal and experiencing new things as Amari does, many people around the world have not truly experienced what true poverty is like and how it affects the lives of others. I have been to Malaysia on three separate occasions now, and I have experienced what Amari felt at the time of the battle. Seeing people living such a hard life cannot be compared to the luxurious life I lead.

Chapter 33- Zelie 
Gods help us. I close my eyes, trying to drown the tragedy out. Through it all,
the cheers never stop. The praise never ends. As we stand on the platform, the
crowd rejoices as if there’s a reason to celebrate this bloodbath.
Beside me, Tzain holds me close; he hasn’t really let go since he carried me
from the ship. He keeps his expression vacant, but I can sense his remorse.
Though the competitor in him has prevailed, we’re still covered in the blood of

those who have fallen. We may have triumphed, but this is no victory.

Chapter 33- Zelie 
Many rough events that occur during The Children of Blood and Bone are celebrated by some diviners as well as many of the guards. Many famous dictators and other historical figures have done many horrible things around the world but are celebrated for their acts as if they are a saint. Around the world, everyone has different views about what they believe to be the right thing and the wrong thing. Different societies have implicated different rules, values and beliefs. So when one country or society believes that forcing people to do things is a correct act, another society may believe in the human rights system where everyone has the right to freedom etc. An example would be the horrible acts of the very famous dictator Adolf Hitler, a man who did many bad things to many different types of people. In Hitlers time, people celebrated him and what he did to others, and I can kind of see the resemblance in the situation. 

Chapter 52 - Amari 
“I’ll prove myself to you, to all of you,” Inan declares. “You’re on the right side
of this. My only desire is to stand there as well.”
“Good.” I lean forward to hug him, holding on to his promise.
But when his hands wrap around my back, all I can think of are how his fingers
are resting just above my scars.

Chapter 52- Amari 
Something that I take from this quote is that although Inan has hurt Amari in the past, he is still there for her now and will continue on doing so for the rest of his lifetime. Even if Inan claims he is going to help them in their journey, the other characters still have that shadow of doubt about him. When someone makes a mistake in life, sometimes people will never forget that and typecast them as the type of person to continuously make that mistake, whether it is intentional or not. Stereotyping others based on their mistakes is a very common issue around the world. 

Chapter 66 - Inan
Father stands in his night robes, scanning a faded map. No sign of hatred. Not
even a hint of disgust.
For him, carving MAGGOT into a girl’s back is just another day’s work.
…
In that instant it hits me: Zulaikha’s death. Zélie’s screams. They don’t mean a
thing to him. Because they’re maji, they’re nothing.

Chapter 66- Inan
The word Maggot is a derogatory term used to describe the diviners and is supposed to be used to put them down and is very similar to how "the N-word" is used. The N-word is a very similar derogatory term that was used to discriminate black slaves. People that use the N-word now don't really understand where the origins of this word lie and don't understand what the word actually was used for and why it was used. King Saran showed no remorse while carving the word Maggot into Zelie's back, very similar to how people use the N-word nowadays. 

Corrosion- Investigating rusting

Aim:
To investigate the factors that cause rusting in iron.

Equipment:
Six test tubes
Test tube rack
Bung
Six iron nails
Boiled water
Tap water
Salty water
Cooking oil
Calcium Chloride


Method:
1. Label four test tubes A-D and place in a test tube rack.
2. A= Iron nail and tap water
    B= Iron nail with salty water
    C= Iron nails, boiled water, oil
    D = Iron nail and calcium chloride, sealed with a bung
    E= Nail polish + water
    F= Mg wrapped around the nail + water
3. Leave the test tubes undisturbed for three days.

Results:  

           

Discussion:

When Metals are exposed to the environment, they can deteriorate, or break down. This is called corrosion. Rust is used to describe the corrosion of Iron. Rusting of Iron requires water and Oxygen, if either of these elements is removed, corrosion will not occur. The process of rusting will be much quicker if Salt is present. The easiest way to prevent rusting is by preventing the iron from being exposed to Oxygen or water. By coating/painting the iron nail in paint or grease, a barrier is created, preventing the environment corroding the Iron. Corrosion can also be prevented by coating the Iron in another more reactive metal such as Zinc or Magnesium. Our class used Magnesium. 

Nail results

A- Iron nail and tap water

-  This nail came out rusty. As there is nothing preventing the exposure to water, the nail is going to get to the nail and cause corrosion.  

B- Iron nail and salty water

- This nail was slightly rusty. As Iron corrodes in the presence of Oxygen and water, the nail is rusting as the water contains dissolved Oxygen. It is also rusting faster than it would if there was no salt in the water. 

C- Iron nail, boiled water and Oil. 

- This nail had no rust. The oil in the test tube creates a barrier between the nail and Oxygen. As there is no exposure to the Oxygen, there is nothing for the water to react to, so corrosion will not occur. 

D- Iron nail, Calcium Chloride, sealed with a bung. 

- This nail had no rust. The Calcium chloride dried out the air and the bung prevented any other oxygen from entering the test tube. 

E - Iron nail, Nail polish and water. 

- This nail had slight rust. Mr Heath explained that this was probably because we did not paint thick enough of a layer of Nail polish onto the nail. The nail polish should have created a barrier between the nail and the water, but as we did not paint a thick enough layer, it rusted. 

F- Mg wrapped around the nail and water. 

- There was no rusting on the nail itself, but the Magnesium itself had corroded. Zinc is also used to prevent corrosion in Iron nails. When an Iron nail is coated in Zinc, it is called a Galvanised nail. The Zinc layer stops the Oxygen/Water from attacking the Iron. While Zinc is more reactive than iron, it offers physical protection but also provides chemical protection. 

Conclusion:

Rusting of Iron requires Oxygen and water. For example, when Iron is exposed to moist air, it reacts with Oxygen to create rust. Many of these methods used in this experiment prevented the rust very slightly. If you are looking for nails that do not corrode, I recommend Galvanised nails. 

Testing for Carbon Dioxide Gas

Aim:
To show that Carbon Dioxide gas is produced when a metal carbonate reacts with acids. 

Method:

1.  Add a pea-sized amount of the metal carbonate into one of the boiling tubes.
2.  Place this boiling tube into a test tube rack. Ensure you have the bung and delivery tube ready. 
3.  Add 5ml of acid to the boiling tube and quickly insert the bung and delivery tube into the mouth of the boiling tube.
4. Holding the other boiling tube with your tongs, capture the gas produced. 
5. When you think that the tube is full, light a wooden splint. 
6. Carefully remove the boiling tube from under the delivery tube, taking care to keep it facing upward. 
7. Insert the burning splint into the mouth of the test tube. 

Results/Observations TEST 1. 
Once the enflamed splint went into the flame. The orange flame went out immediately. 

Result/ Observations TEST 2. 
During the second version of the experiment, the limewater went cloudy. 

Discussion 
During this experiment, we observed a chemical reaction. This reaction was between the Metal Carbonate (Calcium Carbonate) and the acid (Hydrochloric acid). During test 1, the flame chocked and went out due to having no Oxygen within the space. When doing the experiment many gas bubbles were formed in the test tube, and when we put the lit splint in, the flame went out. 

 Regarding test 2 with the Limewater, the result was the Limewater going cloudy. The Limewater goes cloudy because it reacts with Carbon Dioxide to form Calcium carbonate which is insoluble in water resulting in making the Limewater cloudy. 





Conclusion
During these experiments, we watched a chemical reaction occur. Metal Carbonate (Calcium Carbonate) reacted with Hydrochloric acid. 

Calcium Carbonate + Hydrochloric acid ----> Calcium Chloride + Carbon Dioxide + water.
As the gas went through the delivery tube, the receiving tube filled with gas and if it went longer it would have left a carbon dioxide and calcium chloride in the first boiling tube.