In this episode of Crash Course Kids, Sabrina explains how to tell if a chemical change has occurred. Unlike physical changes, which only alter the appearance of a substance, chemical changes create something entirely new by rearranging atoms. 🧪 What is a Chemical Change?
A new smell is created (like food rotting or a match striking). Chemical Changes: Crash Course Kids #19.2
Iron reacting with oxygen and water to create iron oxide. Burning: Wood turning into ash, smoke, and heat. In this episode of Crash Course Kids, Sabrina
Like a silver spoon turning black (tarnish) or a green leaf turning orange in the fall. Chemical Changes: Crash Course Kids #19.2
This indicates that a gas is being produced.
The mixture suddenly gets very hot or very cold without you touching a stove or freezer.