What is a chemical reaction? Learn about chemical equations, the four types of chemical reactions, and other fun facts.

Engaging hands-on science lessons for grades 2-6 on chemical and physical changes.

Students will learn the difference between physical and chemical properties of matter.

What is a chemical bond? Learn about the structure of an atom, why bonds are formed, and the different types of chemical bonds.

Create a dough using simple ingredients and make it bubble like a brew in a cauldron by causing an acid-base reaction.

Science activity shows what happens when a bag can't hold any more carbon dioxide.

Science activity shows what happens when an orange or clementine is mixed with baking soda. Links to video of the experiment.

Turn your pumpkin into a volcano science activity shows what happens when water, food coloring, dish soap, and vinegar are mixed with baking soda. Click on the link to watch Scientist Joe make the Jack-O-Cano experiment.

Watch Scientist Joe make a volcano using common household products in this video presentation.

Explore the different types of combustion and learn about flames and fuel.