In this lesson, students observe changes in matter and develop models of chemical equations in order to develop a definition for chemical reactions, identify patterns of change that indicate that a chemical reaction has taken place, and explain the relationship between reactants and products at a molecular level. The lesson plan includes an 8-day lesson plan, Google Slides presentation, student reading, and lab/workshop instructions.

A Google Drive folder with 8.1.1, 8.1.3, and 8.1.5 phenomenon-based, 5E lessons that align to the SEEd standards. Lesson folders include lesson plans, a slideshow, and supporting materials for teaching the lesson to your students. Students observe changes in matter and develop models of chemical equations in order to develop a definition for chemical reactions, identify patterns of change that indicate that a chemical reaction has taken place, and explain the relationship between reactants and products at a molecular level.

Two clear liquids are mixed together and the audience is told to watch closely... "Don't take your eyes off the liquid or you'll miss it!" Then, in a flash, the water changes to ink (or so they think!). Clock reactions like this never fail to capture the students attention, and the Iodine Clock Reaction is one of the most startling chemical demonstrations you'll ever see. How did that happen? is almost always the reaction, and when students ask How?, theyre ready to learn.

This is part one "Evidence of a Chemical Reaction." I conducted 4 demonstrations showing one or more of the following characteristics: a color change, precipitate formation, gas production, and a temperature change (either exothermic or endothermic). Part 2 of this video completes the aluminum foil and copper chloride demonstration and reviews the important concepts that were shared.

Create your own sandwich and then see how many sandwiches you can make with different amounts of ingredients. Do the same with chemical reactions. See how many products you can make with different amounts of reactants. Play a game to test your understanding of reactants, products and leftovers. Can you get a perfect score on each level?