My boomerang

Boomerangs 

What was the purpose of the activity? 

The purpose of this activity was to get a better understanding of how the aboriginal culture used boomerangs.  We designed our own boomerangs with the inspiration of the artwork aboriginal people used. Painting dots, line, animals, etc. We did this to get an idea of how a boomerang might have been designed and used. 

What is the meaning of my boomerang?

My boomerang doesn't really have a specific meaning to me. I took some symbolic aboriginal painting designs and applied it to my boomerang. The tree represents the wood the aboriginal used to make the returning boomerang, traditionally boomerangs were made from Mulga or Black Wattle. The brown background represents the colour earth, healing and the wood. The light green represents growth and peace. I added the white lines and dots as inspiration from an aboriginal boomerang.  

What went well when painting my boomerang? 

At first, I didn't know what to paint. I painted one side of me boomerang and I didn't end up liking how it looked. So I started again on the other side. My boomerang turned out alright, I was happy with what I painting. The painting was really fun and it was cool to see everyone's designs. 

 

English

A message I take from this scene is having unrealistic hope. The mirage created the illusion that the water wasn't rushing through the gates, but in reality, it was. Many are dying for water all for it to be wasted.

English

 A message I take form this scene you may think you know someone but you don't. Based on how they act, dress, and walk does not define a person. You misinterpreted the situation thinking that they live a simple life when in reality they face struggles, problems, etc like everyone else. 

Testing for Carbon Dioxide Gas

Aim: To show that carbon dioxide gas is produced when a metal carbonate reacts with acid. 

Equipment: Two boiling tubes, delivery tube and bung, Bunsen burner, test tube rack, wooden splint, a bottle of acid, small amount of metal carbonate, test tube tongs, safety glasses. 

Method: 1. Light your Bunsen burner.

2. Add a 'pea-sized' amount of the metal carbonate into one of the rubes.

3. Place this boiling tube into a test tube rack. Ensure you have the bung and delivery tube ready. 

4. Add 5mL of acid to the boiling tube and quickly insert the bung and delivery tube into the mouth of the boiling tube. 

5. Holding the other boiling tube with your lungs, capture the gas produced as shown in the diagram below. 

6. When you think the tube is full, your lab partner should light a wooden splint.

7. Carefully remove the boiling tube from under the delivery tube, taking care to keep it facing upright. 

8. Insert the burning splint into the mouth of the test tube. 

Result

Test 1 showed that the splint going out in an instance when I added to the test tube. It went out due to no oxygen within the space.

Lime water result

Test 2 with lime water showed that the liquid became cloudier and foggier.

Discussions

While doing the experiment we watched a chemical reaction occur.  

Calcium carbonate + Hydrochloric acid ---> Calcium  chloride + carbon dioide + water