In this
activity, the children were asked to build an iceberg using recycled materials
that would float and carry up to 4 penguins. Some icebergs floated on our ocean
and others sank in the water. The children observed that the icebergs made of
paper and cardboard sank and those made of plastic or Styrofoam (or at least
the base of the iceberg) floated. Brandon also noticed that his juice box could
float so we added that to the materials available to build an iceberg. We
explained to the children that some materials absorb water and other materials
are waterproof. They also noticed that the water was all white because the glue
did not keep the materials together. We decided to use skewer sticks, fasteners
and pins to keep the materials together as the glue dissolved in the water.
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