fr
it
de
en
  • Headlines
  • Explore
  • Experts
  • Search
  • Science & Environment
  • Health & Medicine
  • World & Society
  • About Us
  • Partners
  • Login
  • Headlines
  • Explore
  • Experts
  • Search
Login
fr
it
de
en
Sections
Science & Environment
Mathematics/Physics/Chemistry
Partager

Micro science: why does an ice cube float in water?

  • Émission
    CQFD
  • 23 June 2021
  • Jacques Dubochet
    • Biologie et de médecine, UNIL
Légende

Why is it that water, which becomes heavier as it is cooled down to 4°C, then becomes lighter as it is cooled further, and finally floats as ice?

  • #CHEMISTRY 144 Interventions
  • #WATER 216 Interventions

Related interventions

Sections
Science & Environment
Mathematics/Physics/Chemistry
Why do ice cubes float?
    • Didier Perret
      UNIGE
09 October 2019
Sections
Science & Environment
Environment
In Greenland, climate change accentuates the "filling in" of the oceans
    • Horst Machguth
      UNIFR
20 September 2019
Sections
Science & Environment
Environment
Micro and nanoplastics in our drinking water: what are the solutions?
    • Serge Stoll
      UNIGE
22 April 2024
Sections
Science & Environment
Earth & Space
Where does the North Pole go?
    • Samuel Jaccard
      UNIL
16 October 2023
Sections
Science & Environment
Earth & Space
Swiss lake temperatures cause concern
    • Stéphanie Girardclos
      UNIGE
09 March 2023
Sections
Human Body
Health & Medicine
Does food temperature affect taste?
    • Géraldine Coppin
      UNIGE
04 August 2016
Sections
Human Body
Health & Medicine
Micro science: why does my little toe hurt so much when I stub it?
    • Chantal Berna Renella
      CHUV | UNIL
22 June 2021
Sections
World & Society
History & Philosophy
The birth of the history of religion as a discipline
    • Philippe Borgeaud
      UNIGE
27 November 2014

Born from the collaboration between the universities and higher education institutions of French-speaking and Italian-speaking Switzerland, the Swiss Radio and Television (RTS) and the Swiss Radio and Television (RSI), this site gathers several thousand interventions from academics who analyze current events in all fields in a simple and scientific manner.

Find out more

Themes

  • Science & Environment
  • Health & Medicine
  • World & Society

Avis d’expert‧e‧s

  • About Us
  • Partners
Current trends
  • #tennis 8 Interventions
  • #ukraine 107 Interventions
  • #israel 118 Interventions
  • #tourism 179 Interventions

Media partners
Partner institutions

All rights of reproduction and distribution reserved © 2025 Avis d’expert‧e‧s
  • Terms of Use
  • Privacy statements
  • Contact
  • Site développé par ergopix