Skip to main content
Open the menu
Close the menu
Abonnement
Training and events
FAQ
This link will open in a new tab.
Register
Log in
help
Help
This link will open in a new tab.
Aide
Découvrez la version en français du site Idéllo.
Fr
Register
Log in
help
Help
This link will open in a new tab.
Aide
Découvrez la version en français du site Idéllo.
Fr
Abonnement
Training and events
FAQ
This link will open in a new tab.
Register
Log in
help
Help
This link will open in a new tab.
Aide
Découvrez la version en français du site Idéllo.
Fr
Series
La science à découvert
19 episodes
La science à découvert tells the stories of scientific discoveries from the dawn of science through to the present day, covering all fields—from astronomy to chemistry, biology, and mathematics.
Watch
share
Share
content_copy
Copy
Copied!
×
video_library
Episodes (
4
)
Subscription
play_circle
E17
: Rien ne se perd, rien ne se crée, tout se transforme
.
.
At the end of the 18th century, Antoine de Lavoisier, a mathematician and chemist, asserted that in all the reactions in his experiments, “nothing is lost, nothing is created, everything is transformed,” but he could not actually prove it.
Subscription
play_circle
E18
: Ça coule, ça flotte
.
.
While attempting to verify the purity of a crown in a bath of liquid, Archimedes discovered the principle of buoyancy, according to which any object immersed in a liquid experiences an upward force equal to the weight of the displaced fluid.
Subscription
play_circle
E19
: À la recherche de l'infiniment petit
.
.
Since antiquity, the concept of the atom evolved from Democritus's idea of indivisible particles to a defined chemical unit through the work of Lavoisier and John Dalton.
Subscription
play_circle
E20
: L'électricité, c'est de la chimie
.
.
While studying the electrolysis of water in the early 19th century, Michael Faraday formulated its fundamental laws, establishing principles that are still widely used in industry today.
Levels:
Elementary
Grade 7
Grade 8
Secondary
Grade 9
Grade 10
Grade 11
Grade 12
Subjects:
Mathematics
Science and technology
Skills:
Innovation
Critical Thinking
Problem Solving
help
Access FAQ,
Help
,This link will open in a new tab