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La pression de l'air

S1 E5
·
2016

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. Using his magic, Daniel will attempt to suspend water in the air.

Levels:
Élémentaire 2e année 3e année
Subjects:
Sciences et technologie Matière et énergie Terre et espace
Skills:
Communication Pensée critique Résolution de problèmes
French level:
A1 : Introductif ou découverte A2 : Intermédiaire ou de survie
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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!
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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!
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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.
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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.
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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.
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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.
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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!
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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 2e année 3e année
    Subjects:
    Sciences et technologie Matière et énergie Terre et espace
    Skills:
    Communication Pensée critique Résolution de problèmes
    French level:
    A1 : Introductif ou découverte A2 : Intermédiaire ou de survie