Chemistry

Create your homemade fire-extinguisher

With this experience, you will understand that fire needs oxygen and that in the absence of it, the candle goes out. The trick is therefore to eliminate the oxygen around the candle. Carbon dioxide is an inert gas used in fire extinguishers. When it replaces the air around the candle … the fire goes out. Try to make your own fire extinguisher. […]

Biology

Grow peppers from pepper waste

You’ll never buy pepper seeds for your vegetable garden again with this tip. With this simple experience, you will understand what a seed needs to germinate. Does it need light or dark? Is it possible to germinate them faster? […]

Botany

The tree leaves are red

The leaves of trees are green in daylight. It is thanks to chlorophyll, an important molecule which is involved in photosynthesis to convert carbon dioxide into oxygen. But under black light, chlorophyll is red. A phenomenon linked to fluorescence. […]

Chemistry

A treasure map with invisible ink

The invisible ink is very useful for drawing treasure maps or writing secret messages. Only those who know chemistry will find a way to reveal your message. Let’s use the onion juice to prepare the invisible ink. […]

Experiments

Yeast’s inflating power

Here is a great and visual experience for you to discover the secret world of bacteria. They are very useful to us and we use them in many cooking recipes, for example. Watch how bacteria turn sugar into alcohol and carbon dioxide using a simple soda bottle and a balloon.
It’s a great way to identify which drinks have sugar and which doesn’t. […]

Chemistry

Prepare an orange caviar

Use molecular chemistry to create foods with unexpected shapes. Do you think making orange juice beads is impossible? This is without counting on the properties of Agar, a natural molecule capable of gelling all liquids. Transform yourself into a molecular chemist to surprise your friends with your edible creations. […]

Chemistry

Transform milk into plastic

Did you know that plastic can also be produced from natural resources? The best example is milk! Milk proteins, huge molecules like those in plastics, can, under certain conditions, agglomerate to form a solid. […]