Watch four demonstrations showing one or more of the following characteristics: a color change, precipitate formation, gas production, and a temperature change (either exothermic or endothermic).
Demonstration illustrating the different evidence signifying that a chemical change has occurred.
Reviews the signs that a chemical reaction has occurred.
Come up with questions about a topic and learn new vocabulary words to determine answers using an Ask, Answer, Learn table.
Find out the chemical reactions that cause glow sticks to give off light, and learn some real-world applications of glow sticks.
Find out how chemical and physical changes occur; and explore the science behind some common changes in the world around you.