noncovalent interactions

Viscosity of Liquids - Capillary Length Test

Four funnels are connected to differing lengths of capillary tubing. The greater the length of the capillary tube, the longer it takes for the water to flow through the apparatus.

Measuring Relative Viscosity

This is an introductory movie showing, in wider angle, the manner in which the experiment for measuring relative viscosity is performed.

Floating Squares - Introduction

Introduction to the floating squares demonstration shows the preparation of the square of paper rubbed with graphite on one side.