First we filled a bowl with some hot water (that represents our seas and oceans) and put a cup in the middle of that bowl, to represent our land.Then we covered the bowl with some plastic paper, that represents our atmosphere.As the water boiled, it evaporated. Then we put some ice over de plastic and the water vapour condensated.Ten minutes later, we removed the plastic and carefully took the cup from the middle of the bowl that contained some liquid water.
by David Lara
The Surface tension is a very important property of water
because it allows to small and light insects to walk in the Surface of the water.
This is consequence of the “layer “of atoms that became together when a force is
pushing down them. As you can see in the photo we did it with a glass filled up
of water and then we put a paper floating in the water and a clip floating in
the paper, so when the paper sank the clip was still floating in the surface
By Miguel Buitrago
CAPILLARITY
Capillarity is a very important property of water
because it allows plants to do the photosynthesis. This property explains why water
and mineral salts go up through the stem and reach the leaf. As you can see, we
use some colours and papers to study it.
By Miguel Buitrago
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