Stubborn Ice

1
Stubborn Ice

• TMF 2004
• Gymnasium Elišky Krásnohorské

2
Acting force

• Gravity
• Lifting
• Surface tension

3
Melting ice

• if the ice is melting, consistency is growing up
• ice cube with water drop is moving down to bottom

4
Dynamics

• until ice cube with water drop is moving down,
  the droplet separates from ice cube and falls
  down
• ice cube rise
• further ice is melting to water

5
Irregular melting

• water streaming down along ice cubes walls
  creates temperature isolation
• ice cube becomes pyramid