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!


dijous, 4 de febrer de 2010

Make a lava lamp

MATERIALS: -Food colouring. -Cooking oil -A plastic bottle -A funnel -Salt -Water
INSTRUCTIONS: 1. Put some water into the plastic bottle. 2. Add six drops of food colouring to the water. 3. Add a small quantity of cooking oil into the plastic bottle using a funnel. The cooking oil forms a layer on top of the water. 4. Mix everything. 5. Add some salt into the water. 6. Watch closely.
WHY? Oil and water don't mix because water is heavier. Oil makes a layer on the surface of the water. The salt sinks to the bottom and takes some oil with it. The salt dissolves in the water. Then, the oil floats back up to the surface.
WHAT DO YOU THINK ABOUT? WRITE YOUR COMMENTS.

6 comentaris:

  1. This experiment is very coooooooooooooooooooooooooooooooooooooooooooooooooooooooooooool

    ResponElimina
  2. I think, as DAVID says, this experiment is very cool.
    Pol Capsir

    ResponElimina
  3. This experiment is very very funny!!!!!!!!!!!!
    The English laboratory is FANTASTIC !

    Irina and Laia

    ResponElimina
  4. This experiment is very funny. It's very cool. It's a very good idea!!!!

    Irina and Paula

    ResponElimina
  5. This experiment is very very beautiful and fantastic!!!!!!! It's very cool!!!!!!!

    Vera and Belén

    ResponElimina
  6. This experiment is very coooooooooooooooool!!!!

    Marc Segarra and Roger Pujadas

    ResponElimina