my maths homework

LEST WE FORGET

LEST WE FORGET. Lest we forget the souls, dearest to our heart who sacrificed themselves and perished in one of the greatest wars on earth. Blood shattered, hearts scattered. Let all the newest souls born on this burdenouse earth hear and celebrate the tragedious event. Not with happiness but with the greatest of honour and respect. In late April 1916, Australian and New Zealand Army Corps. fought in the fierce battle of Gallipoli. 2,779 New Zealand soldiers sadly died. Teach and pass on the value of the battle of Gallipoli fought by the Anzacs to all the newest generations. At this time of year in this unintentional and unfortunate lockdown, we can still remember and rejoice the victory of Anzac with honour by hanging a poppy by your window. And if you still want to give a bit more honour to those who lost their lives for the sake of their beloved country, you can stand for a small 1 hour this saturday 25th of april 2020. We remember this day not to celebrate the victory of Anzac but to celebrate the noble souls who were willing to die in the hands of war. NOHO ORA MAI.  

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My Inquiry homework

Inquiry - Chemical Change

 define these words:

Substance

Reaction

Reversible 

Irreversible

Watch the video on ‘Kitchen Chemical Changes’ then answer the 3 questions on the next slide.

1. Substance 

A substance is a physical matter or a thing that you can  sometimes hold or see.

2.  REACTION

A reaction is the effect of when something happens.

3. REVERSIBLE

Reversible is when something is able to go back to its original state of form.

4.  IRREVERSIBLE

Not able to be transferred back to its original state or form. 

Change

1. What are 4 things that might happen when a substance undergoes chemical change? (1:27)

When a substance undergoes chemical change it might burn, melt, evapourate or change color.  

2. What are the 5 pieces of evidence that baking a cake is a chemical change? (2:15 - 3:15)

When the cake is heated it produces carbon dioxide in the form of gas which makes the cake fluffy. The cake turns from yellow to brown.the smell of the cake changes. The change cant be undone.

3. Can you think of another chemical change that happens in the kitchen? 

When salt and sugar meets contact with a form of liquide it dissolves hence making a chemical change.

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definition of physical change

Physical change is when something changes the shape, size or colour And may be used to do

something different. For example if you crush a tissue box it goes through physical change.   

After watching the video I learned that some changes are not physical. Instead of changing and still

being the same things they change completely.                                                                                                                                                                   

Change

Definition

Change is to become or do something different.

In other words,when time goes by how a surface, season, day ect undergoes difference.