The document describes an experiment involving cutting a lemon in half, adding a teaspoon of baking soda and some vinegar. It hypothesizes that the acid in the lemon combined with the baking soda and vinegar will cause a small explosion. The lemon contains citric acid, the baking soda produces carbon dioxide, and the vinegar enhances the explosion. The experiment is intended to demonstrate a chemical reaction for students Esther, Cesar, Andy, Laura, Marcel and Ingrid.

1. LLIMONA
EXPLOSIVAI N É S ,
E S T H E R ,
C É S A R ,
A N D Y,
L A U R A ,
M A R C E L ,
I N G R I D

2. INGREDIENTS:
-1/2 D’UNA LLIMONA
-PINTURA (OPCIONAL)
-UNA CULLERADA DE BICARBONAT
-VINAGRE

3. HIPÒTESIS:
P E N S E M Q U E L ' À C I D D E L A
L L I M O N A A M B E L B I C A R B O N AT I
V I N A G R E FA R À U N A P E T I TA
E X P L O S I Ó .

4. PERQUÈ FA AIXÒ?
• LA LLIMONA PORTA ÀCID
CÍTRIC I EL BICARBONAT
APORTA DIÒXID DE CARBONI
I EL VINAGRE FA MES GRAN
L’EXPLOSIÓ.