Elementary Deductions
Thermal Transitions
100

 If you place an open container of liquid water and an open container of rubbing alcohol side-by-side at room temperature, the alcohol will disappear much faster because it possesses a much lower one of these physical properties than water.

What is boiling point?

500

Sodium is a highly reactive metal that explodes in water, and chlorine is a toxic, suffocating gas. Yet, when chemically joined in a fixed proportion, they form this harmless compound that you eat every day.

What is sodium chloride (or table salt)?