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.
Find out how chemical and physical changes occur; and explore the science behind some common changes in the world around you.
An article talking about the history, creation, and chemistry behind fireworks. Learn how fireworks produce signs of chemical change!