Hb-4 Ball and Ring (2)
Published: Monday 13 March 2006 - Updated: Monday 28 March 2011
To demonstrate thermal expansion.
- Ball and ring apparatus
- Bunsen burner
Click on pictures to enlarge.
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.