Wednesday, 6 November 2013

Boat or Submarine

Title  Boat or Submarine  
Scientists:Dylan and Cameron(Me)

Question/Goal/ problem
What shape of container will hold the most weight ?

Hypothesis (The shape I have chosen and why I think it is the best shape)
The shape Dylan and me have decided on it a cube because it is tall and wide.

Container filled with water, modelling clay, old coins

Method (What I did)
Create a boat out of modelling clay.
I Fill the container with water.
Place the boat carefully onto the water so it floats.
One at a time , put coins carefully into the boat . Count how many coins are in the boat before it sinks.
Observation/ Analyse (What happened and why I think it happened)
We placed our cube in the water it sank right away and went under. It was properly it was too heavy.

Conclusion  (What I discovered about floating/ sinking )
The more its spread out the more it has less weight but if it is in a lump it would go straight to the bottom of the container.
2 penny's(Old New-
Zealand coins)
2 penny's(Old New-
Zealand coins)


  1. Wow Camreon!
    What great photo's you have got there.
    It's great how you are being honest of how your boat sunk in the water on your first go.
    That experience was really fun.
    You and Dylan did a great job creating a shape which was the cube and making it float in the water.
    How many coins did your cube shaped boat hold?
    Well done:)

  2. That hut is cool because i have see that before at the beah

  3. Thats great Cameron work.


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