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!


dimecres, 6 d’octubre de 2010

Jumping egg

MATERIALS:
Two glasses
Two eggs
Vinegar
Water
INSTRUCTIONS:
- Fill a glass with water and put one egg into it.
- Fill the second glass with vinegar and put another egg in.
- Wait three or four days.
- The egg in vinegar hasn't got a shell. It's bigger and darker than the egg in water.
WHY:
Vinegar is an acid and dissolves the calcium in the eggshell. It is calcium that makes the shell hard. A thin flexible membrane just under the shell still holds the egg's shape.
Water does nothing to the eggshell.

video

21 comentaris:

  1. Hello!!!

    I´m Natalia. The experiment is impressive!It's very funny!The egg in the vinegar hasn´t got a shell and bouces and the egg in water nothing.

    ResponElimina
  2. Hello!!The experiment of the egg is impressive. The egg in vinegar is jumping and the egg in water isn't jumping because the vinegar is an acid and the water not.

    Good bye

    ResponElimina
  3. Hello!

    I'm Carles. The experiment is very funny and interesting! The egg in the vinegar hasn't got a shell and the other egg is normal. ( The 2nd egg is nothing ).

    ResponElimina
  4. Hello school!!!
    I'm Judit and I'm Natalia.The experiment is very funny,interesting. The egg in vinegar is very impressive and jumps and the egg in water is nothing.

    It's incredible!!!
    I LOVE LABORATORY IN ENGLISH!!!
    Thank you MARTA!!!

    ResponElimina
  5. This experiment is very interesting. I like this experiment,it's very fun!! And I like laboratory.

    ResponElimina
  6. This experiment is incredible,and very funny!!
    because it is very interesting.

    ResponElimina
  7. Hello school!!

    This experiment was very cool, amazing and very interesting.
    I did this experiment with my brother, but with lemon juice and the egg is yellow!!
    bye bye school !
    I love experiments and English !!

    ResponElimina
  8. Hello!!!

    This experiment is very short- In my house I did the experiment. I like the experiment.

    ResponElimina
  9. HELLO!!!
    My name is Cinta.
    I love the experiment. This experiment is
    very interesting and I like laboratory.
    BYE-BYE

    ResponElimina
  10. Hello!!

    I´m Paula the experiment is amazing. It´s
    very,very funny!

    ResponElimina
  11. Hello, my name is Maria or Mary.
    Ooooh, you listen the experiment. The egg in vinegar is very, very funny bye, bye.

    ResponElimina
  12. HELLO MY NAME IS CARMEN

    This experiment is very funny !!! because the vinegar is an acid. Then, as the vinegar is an acid, the vinegar eats the shell of the egg and the egg jumps.

    ResponElimina
  13. Hello, my name is Carla this experiment is very incredible. The experiment is very funny and incredible. Good bye.

    ResponElimina
  14. The experiment I have done it at home but the vinegar is water. It's funny!

    ResponElimina
  15. Hello class. The experiment is very funny!!!
    The egg is bigger.
    Bye bye class.

    Anna

    ResponElimina
  16. This experiment is fantastic and funny.

    ResponElimina
  17. I'm Carmen.
    This experiment is very funny and interesting.
    I like the part of the egg jumping.

    ResponElimina
  18. My name is Jan
    This experiment is very funny.

    ResponElimina
  19. Hello. My name is Axel. The experiment Jumping egg is incredible.

    ResponElimina
  20. Hello Marta
    the egg is black.

    ResponElimina
  21. Hello,
    the experiment of jumping egg is very funny and surprising

    ResponElimina