Quick Answer: Expansion of Liquid Apparatus compares how different liquids expand over the same temperature range, using 5 graduated glass capillary tubes of equal bore with bulbs at the bottom.
Last updated: October 2026
Key Features
5 graduated glass capillary tubes of equal bore, each with a bulb at the bottom
Tubes mounted on a support frame
Metal trough for immersing the bulbs in hot water
Supplied complete with accessories, including the glass parts
Technical Specifications
Specification
Value
Capillary tubes
5, graduated, equal bore
Tube ends
Bulb at the bottom of each tube
Mounting
Support frame
Heating
Metal trough for hot water
About This Product
For Properties of Matter work, the bulbs hold the liquids to be compared and are dipped together in hot water in the trough. Because the bores are equal, the different rises on the graduated tubes show which liquid expands more over the same temperature range.
Frequently Asked Questions
Q1. Why are the capillary tubes of equal bore? With equal bores and one hot-water trough for all the bulbs, the rise in each graduated tube can be compared directly to show the difference in expansion between liquids.
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