Hardness of Solid Substances - Grinding Zinc
Zinc metal is not easily ground or crushed.
physical properties
Like Dissolves Like - Experiment D - Step 2 of 3
Second step of experiment D of "Like Dissolves Like"
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.
Hardness of Solid Substances - Grinding Selenium
Selenium can easily be ground to a powder.
Like Dissolves Like - Experiment D - Step 3 of 3
Third step of experiment D of "Like Dissolves Like"
Measuring Relative Viscosity
This is an introductory movie showing, in wider angle, the manner in which the experiment for measuring relative viscosity is performed.
Hardness of Solid Substances - Grinding Tin
Tin is a relatively soft metal that can be flattened.
Like Dissolves Like - Experiment E - Step 1 of 3
First step of experiment E of "Like Dissolves Like"
Viscosity of Liquids - Water
The relative viscosity of water can be measured using a stopwatch, and compared to other liquids.
Hardness of Solid Substances - Grinding Iodine
Iodine can be ground to coarse grains.