Le smog (capsule)

If you swallow chewing gum, does it stay in your stomach? Gabrielle's question is answered by Yannick, a chemistry teacher.

What makes a firework red, purple or green? To find out, we will need will need different chemicals, safety glasses and Yannick, a chemistry teacher.

Antoine is attending the 9th edition of the PontPop competition, which offers a chance for high school students to build bridges out of wooden sticks. To win the competition, they must build a bridge that respects specific standards and must support as much weight as possible.

Tamara wonders how to catch a cold. To answer her questions, she uses a sneeze simulator, a UV lamp and the expertise of biologist Evelyn Castillo.

Tamara wants to know everything about solar energy. To help her in her research, she will need a calculator, light, a tiny car and Philippe Richelet, a student in physics.

Adrien tries to understand how electricity works. He knows that it is dangerous to touch an electric wire, but wonders why birds do not get electrocuted when they stand on the wire. In order to better understand the phenomenon, he conducts an experiment with Stéphane Brouillard, a science communicator.

Gabrielle is meeting with a chemistry teacher. She is trying to understand what rust is. With the help of Yannick, she will conduct an experiment with steel wool and a chemical solution.

Olivier discovers a new phenomenon called inertia. He asks a chemistry teacher to help him understand how his body moves backwards when the car of a ride starts fast.

To learn more about the mysterious world of genes, Tamara will need a microscope, an onion and biologist Evelyn Castillo.

An electric battery is a very useful object in everyday life. What is it made of? Can you make one with lemons?

Did you know that nylon is a plastic? If you look at the labels on your clothes, you'll probably notice the word nylon, which means they contain plastic.

Adrien wonders if we could play with a beach ball on the moon like we could on Earth. He tries to find out by experimenting with a scientific communicator.

Tamara meets a flavour specialist, an experienced person who specializes in taste. They usually have a nose that is very sensitive and can detect all aromas. They can also identify all flavors such as sweet, salty, sour and bitter.

Tamara meets Philippe Baude who always has fun while working. His job: developing and designing video games, his passion!

Gabrielle meets Sarah Guenette, a veterinarian who gives her all the information related to the dental hygiene of dogs. She goes to a clinic to understand the subject.