Physical vs. Chemical Changes: How to Tell the Difference (The 4 Easy Clues)

Описание: Is melting an ice cube a chemical change? What about burning a log? This video answers the most fundamental question in chemistry: how to tell the difference between a physical change and a chemical change.

A physical change is just a change in form (like water boiling to steam), but a chemical change is a permanent change in identity (like wood burning to ash). We'll show you how to identify each type.

You'll learn the 4 major clues that strongly suggest a chemical change is happening: 1. An Unexpected Color Change 2. The Production of a Gas (Bubbles) 3. The Formation of a Precipitate (A New Solid) 4. A Change in Energy (Getting Hot or Cold)

Welcome to Periodic Table Talk, your home for clear and simple chemistry!