School of Physics Lecture Demonstration Manual

Hb-4 Ball and Ring (2)

Published: Monday 13 March 2006 - Updated: Monday 28 March 2011

Aim

To demonstrate thermal expansion.

Apparatus

Diagrams

Click on pictures to enlarge.

Ball and Ring 2 Diagram

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.

Safety notes

Fire/Burn Safety 

Maintenance 

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