Welcome!

This is a blog of the 4th grade class in la Farigola de Vallcarca School in Barcelona. This year we are doing “Aula de Ciències” in English.
In this blog we want to show you the experiments we do in our Science Lab. Science is fun!


dimarts, 10 de gener de 2012

Water filter


MATERIALS:
- A plastic water
- Two glasses
- A piece of cotton wool
- Sand
- Sawdust
- Small stones
- Bigger stones
- Dirty water


INSTRUCTIONS:
- Cut the bottom of the bottle.
- Turn it upside down and place the materials in this order: cotton wood, sand, sawdust, small stones and big stones.
- Place the bottle in a glass.
- Pour some dirty water.
- Water is cleaner when it comes out.


WRITE YOUR COMMENTS!:

4 comentaris:

  1. This experiment was so funny and I learnt about water filters.

    ResponElimina
  2. This experiment is very interesting. Dirty water passes through the filter and it is clean water.

    ResponElimina
  3. I DON'T LIKE THIS EXPERIMENT,
    BECAUSE IT IS NOT FUNNY COMPARED WITH OTHER EXPERIMENTS.

    ResponElimina
  4. This experiment is very dirty, very cool and very easy. This experyment is very important because makes water clean.

    ResponElimina