The mixture suddenly gets very hot or very cold without you touching a stove or freezer.

💡 Physical changes change how something looks (like ice melting), but chemical changes change what something is (like paper burning). If you are working on a school project, I can help you: Create a quiz based on these concepts. Write a step-by-step experiment you can do at home. Compare physical vs. chemical changes in a chart.

Iron reacting with oxygen and water to create iron oxide. Burning: Wood turning into ash, smoke, and heat.

Like a silver spoon turning black (tarnish) or a green leaf turning orange in the fall.

Enzymes in your stomach breaking down food into nutrients.

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?