This content is not available from your geographic area.
Log in

Fluorescence ou phosphorescence?

S1 E18
·
2016

Do you know the difference between fluorescence and phosphorescence? Yannick introduces us to some very surprising fluorescent objects, like the banana! In the magic theater, Daniel then uses the energy of a light bulb to produce a fluorescent effect.

Levels:
Élémentaire 4e année
Subjects:
Sciences et technologie Matière et énergie
Skills:
Communication Pensée critique
French level:
A1 : Introductif ou découverte A2 : Intermédiaire ou de survie
Subscription
play_circle

E1 : Les mousses

13 min
Today, we're discovering all kinds of mousse. Did you know that a cake is a solid foam? Daniel reveals the secret of aerosol cans, and he and Yannick carry out a super-foaming chemistry experiment!
Subscription
play_circle

E2 : La condensation

13 min
How do clouds, rain and fog form? Thanks to condensation! In his laboratory, Yannick uses condensation to first produce a small rainfall. Then he creates a giant effect!
Subscription
play_circle

E3 : Les matières superabsorbantes

13 min
Daniel is interested in baby wipes and diapers. Why is that? They're absorbent materials. We discover that a diaper contains a super-absorbent material that allows Yannick to perform some super experiments.
Subscription
play_circle

E4 : Les aimants

13 min
Daniel is interested in magnets. How are they made? What are they made of? Which magnets are the strongest? To answer Daniel's questions, Yannick performs some surprising experiments.
Subscription
play_circle

E5 : La pression de l'air

13 min
What's the link between a drinking straw and the suction cup on a dart? Both are powered by air pressure. Together with Yannick, Daniel discovers that this pressure is actually very strong.
Subscription
play_circle

E6 : Brrr... c'est froid!

13 min
Today, we discover some surprising effects of cold. Daniel explains why ice cubes sometimes stick to our fingers.
Subscription
play_circle

E7 : Bulles de savon

13 min
Today, we take a look at the science of soap bubbles. Daniel explains why soap bubbles pop on their own. Yannick shows us how to get stronger soap bubbles, and even giant ones!
Subscription
play_circle

E8 : Les bruits d'explosion

13 min
What do a kernel of corn, a paper bag and a party balloon have in common? They all make a small explosion noise when they burst due to the movement of air.
Subscription
play_circle

E9 : Un étrange mélange

13 min
Daniel explains that ketchup is a mixture that is both solid and liquid. It's a colloidal substance. In his lab, Yannick makes an amazing colloidal substance.
Subscription
play_circle

E10 : Lumineuses illusions

13 min
Yannick uses the science of light to make objects appear and disappear in water. We also discover how it's possible to bend a pencil without breaking it. Daniel manages to bend a spoon using the magic of water.
Subscription
play_circle

E11 : Le poids des gaz

13 min
This episode focuses on gases and their weight. Daniel explains to us why a helium balloon rises into the air. In his lab, Yannick shows Daniel gases heavier than air. Daniel performs an astonishing magic trick with a helium balloon.
Subscription
play_circle

E12 : Ça tourne

13 min
When you spin an object quickly, amazing things sometimes happen. We can even defy gravity! Yannick shows Daniel some surprising experiences. Daniel performs a stunning magic trick with cards.
Subscription
play_circle

E13 : La répartition des forces

13 min
Yannick shows Daniel that he can walk on eggshells. Daniel defies science by hammering nails into a party balloon.
Subscription
play_circle

E14 : Science ou Magie

13 min
After watching this show, fireworks will no longer hold any secrets for you! Daniel explains to us why a Bengal fire produces sparks.
Subscription
play_circle

E15 : Étonnants liquides!

13 min
Today, Daniel has fun mixing liquids that don't mix. Yannick shows us that not all liquids have the same weight. Using seven liquids of different densities, Yannick performs a surprising experiment.
    Levels:
    Élémentaire 4e année
    Subjects:
    Sciences et technologie Matière et énergie
    Skills:
    Communication Pensée critique
    French level:
    A1 : Introductif ou découverte A2 : Intermédiaire ou de survie