Caritas Challenge

In Week 3 the Year 7/8 Hub did the Caritas Challenge. As you already know from my last blog what we did was the Live It Challenge. We slept outside at school in a cardboard box. We did this challenge to fundraise for Caritas. It started at 9:00am on Friday the 18th and ended at 9:00am on Saturday the 19th.
 From 9:00am to 9:15 we did the roll and got started on the great fun day planned. From 9:15 to 10:00 we had mass because that's what the people in Timor-lest do on a Sunday.
10:00 to 10:30 we had an Anti-bulling Assembly with the rest of the school.
Then we had a break. At 11:15 to 11:30 the City Missioner came in to talk to us about homeless people in Christchurch, NZ.

Next we did a Move It Challenge where we completed 3 hours of non stop sport. We invited  Mairehau Primary School. I did non-stop sports on the netball court. I enjoyed doing this and got very thirsty too.
For the next session of sports I did yoga and played some balloon volleyball, it was fun.

After that it was time to start building our shelters. I was with my friends Roza, Becky, Joanna and Tamera. We made our like a tent and it was a small space so through the night we would be closer to each other and warmer than the people the had theirs spaced out. Hear is a photo of our shelter

We then did a reflection on the experience we'd had. In my last blog is the Questions and my Answers of the Reflection.
The next day we took-down the shelters and had a game to 9:00 when we had finished the challenge.
I had lots of fun. Have you done the Caritas Challenge?

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Science

This term we are doing a science experiment. I'm doing "How salty does the sea have to be for an egg to float?"
  Here is my background research:

When you put an egg in tap water it sinks, this is because the density  of the egg is higher then the density of the tap water. But if you add enough salt the egg will float, this is because if you get the right amount of salt in the water the salt gives the tap water more density so water is higher in density then the egg.   Water has a density of one. An egg has 1.031 g/cm3   density.                             

Credit:

Salty Science: Floating Eggs in Water - Scientific American

How Much Salt Does it Take to Make an Egg Float in Water? | sciencing

How much salt do we need in water to make an egg float

Here is my Hypothesis:

Increasing the density of the water through adding salt will mean that the egg will float.

Here are the materials that I will need:

What I will need for my experiment:

1. 5 eggs
2. Salt
3. 5 cups
4. Water
5. Measuring cup

Here  is my Method:
I will have 5 eggs and 5 cups of water. The 5 cups will be numbered 1 - 5, in the 5 cups of water 1 will have no salt, 2 will have ½ a cup, 3 will have 1 cup of salt, 4 will have 1 ½ cups of salt and 5 will have 2 cups of salt.

I will leave them in the water for one hour.

When one hour is done I will see out of the 5 cup which one is floating of not.

I can't wait to start my experiment.
Have you done an Science experiment? If you have what was it?