Hands-on Activities

Biogas factory in a bottle

Half fill a glass bottle with water

Add

2 tablespoons of sugar

1 tablespoon of brewer’s yeast,

Cover with your hand and shake it!

Stretch a balloon over the neck of the bottle

After a few minutes…the balloon will blow up!

Why? Your balloon is filled up with biogas

This is a simple experiment but do not attempt it without an adult.

Climate change, bioeconomy, sustainability, CO2 reduction;

Promoting sustainable activities and hobbies, learning by doing.