Hb-4 Ball and Ring (2)

Aim

To demonstrate thermal expansion.

Apparatus

  • Ball and ring apparatus
  • Bunsen burner

Ball & Ring 2a Ball & Ring 2b

Description

The apparatus consists of a heavy metal ball which at room temperature just passes through a hole in the base plate of the support. Expansion is demonstrated by heating the ball in the bunsen flame, whereupon the ball is unable to pass through the hole.

Video