Hardness of Solid Substances - Grinding Graphite
Graphite can easily be crushed into small pieces.
physical properties
Like Dissolves Like - Experiment C - Step 1 of 3
First step of experiment C of "Like Dissolves Like"
Hardness of Solid Substances - Grinding Magnesium
Magnesium metal is not easily ground or crushed.
Like Dissolves Like - Experiment C - Step 2 of 3
Second step of experiment C of "Like Dissolves Like"
Hardness of Solid Substances - Grinding Sulfur
Sulfur can easily be ground to a fine powder.
Like Dissolves Like - Experiment C - Step 3 of 3
Third step of experiment C of "Like Dissolves Like"
Ice Bomb
A cast iron bomb is completely filled with ice water, then placed into a dry-ice/acetone slush and covered with a wooden box. When the water in the bomb freezes, the cast iron bomb explodes, breaking into several pieces, and destroying the box in which it was placed.
Hardness of Solid Substances - Grinding Iron
Iron metal is not easily ground or crushed.
Like Dissolves Like - Experiment D - Step 1 of 3
First step of experiment D of "Like Dissolves Like"
Viscosity of Liquids - Qualitative Test
The flow of four different liquids from four pipets is started simultaneously to test their viscosity.