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Friday 9 May 2014

float or sink

Why do some things float while others sink?

What we found out is that  if there is an orange that is no peeled It floats because It has no air or holes while the peeled orange  sinks because of the holes.
Sink or Float ?
Object
Prediction
s-sink     i- in between      f-float
Result
raisins
f
f or s
orange
s
f
banna
f
f
rubber ring
I
f.s
coke
s

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