Definition of chemical change and examples, signs of chemical change and how it can be reversed.
An interesting video on clock reactions. A colorful demonstration of chemical changes.
Reviews the definition of chemical change, examples of chemical change, signs of chemical change, and how chemical change can be reversed.
Summarize the main idea of a reading, create visual aids, and come up with new questions using a Four Square Concept Matrix.
An article talking about the history, creation, and chemistry behind fireworks. Learn how fireworks produce signs of chemical change!
Explore whether a change is physical or chemical.