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Joshua's Oil and Water density experiment

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Joshua's Oil and Water density experiment

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Joshua has continued to work through the scientific process to experiment further with our water density experiences. He retested the oil, water and food colouring experiment providing us with fair testing, as he noticed similar results. Read through for Joshua's findings and theory of why it was happening.

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oil and food colouring fireworks density experiment.JPG

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Floating and sinking - food density experiment

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Floating and sinking - food density experiment

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Joshua also experimented with different fruit and foods to work out what might float and what would sink. Read further, as he has also given us his explanation of what density is.

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Floating and Sinking - what vegetable or fruit has more density?

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Floating and Sinking - what vegetable or fruit has more density?

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Ethan has been predicting and checking out what fruit and veges have low density and will float in water.  There have been a few surprises, with Ethan noticing that the size, weight and shape of the different foods is not a great indicator of what will sink in a bowl of water.  One of his biggest surprises was a Bell Pepper/Capsicum.

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floating and sinking food experiment photo

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Joshua's floating egg and water density results and research

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Joshua's floating egg and water density results and research

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Ethan's floating egg and water density results

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Ethan's floating egg and water density results

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Ethan's end results in exploring water density with salt

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Types of paper were newspaper and writing paper. If you have more layers you can hold less water but you can hold it longer and if you have less layers you can hold more water.
The writing paper worked because it lasted for more than 1 minute. The newspaper didn't work because it just flopped down when I finished pouring the water.

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CIRCLE COLUMN 7 SQUARE COLUMN 3 TRIANGLE COLUMN 2

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Favourite Meal of the week: Homemade Herb & Garlic Creamy Bacon Fettucine and Coleslaw. All cooked by mum and I ♥️

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Joshua and his brother Caleb have helped make dinner, following a recipe to make a Chinese Chicken Corn soup. From the pictures and labels, you can get a very good idea of their method and ingredients.

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Dinner challenge by Joshua and Caleb.JPG

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Wahidah has shared a photo of her preparing her favourite Afghan food.

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Joshua followed a scientific process to melt ice and see whether adding vinegar, cold water, hot water, salt or just time made the ice melt any faster

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Ethan - walking water experiment -  water capillary effect

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Ethan - walking water experiment

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We went to feed our neighbourhood horse!

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I used books, cars, toys for my domino challenge. I launched a car which hit the storm trooper, then it hit lots of books, finally the books hit a car and shot at the Mashers. I tried a few times to figure out if it would work. It was fun and challenging. Others ideas maybe cars and lego figures and bricks next time.

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I made a Domino track out of Dominos and Hotwheel track.
There is track at the beginning and the car rolls down it and
hits the tower that is made out of Dominos.
When the tower falls it hits the other Dominos and sets off
all the rest. Everything fell down. Success!

FACTS
-  There are 2 hills made out of Dominos.
-  There are13 pieces off Hotwheel track.
-  There are 89 Dominos.
-  There is a Domino tower.
-  There are some Dominos that split into 2 lanes and then joins back into 1 lane.

THINGS I NOTICED
-  You need to make sure to have little gaps otherwise it will not work.
-  When you do corners do not make them sharp otherwise it probably won't work.

SCIENCE FORCES
- When the Domino is pushed Gravity makes it fall down.

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tried to make a lego chain but it didnt werkh

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My marble run started at the back room, went through the corridor, then finished down the stairs.

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I made a long marble run using Lego, carboard tubes, Hotwheels track, and tape.

What worked well:-
- Some of the marbles we tested worked well.
- The marbles did the marble run in 30 seconds.

What didn't work well:-
- Sometimes the tubes fell and we had to fix it when the marble was too big.

The science forces being used are gravity and friction.
- Gravity pulls the marble down the track.
- A smooth track has less friction and the marble rolls faster.
- A rough track track has more friction and the marble rolls slower.