1. Sandwich Shop Phet

2. Open this phet!! It should be the sandwich shop.this The first step is to set up our reactions. To do this we need to decide how many pieces of bread and cheese make a sandwich. You will follow a set of directions to complete a table on the next slide. To make things simple, start with a cheese sandwich consisting of two pieces of bread and one piece of cheese.

3. ReactantsProductsLeftovers BreadCheeseSandwichesBreadCheese 21100 30 2 2 55 14 34 4 Use the phet to fill in the following table.

4. Now, click on “Real Reaction” In this step you will use the phet to make real reactions and insert the correct number of reactants and products. Coefficient Reactants Products Leftovers H2H2 O2O2 H2H2 O2O2 Write in Number What is produced Number

5. Reactants Products Leftovers N2N2 H2H2 N2N2 H2H2 Write in Number What is produced Number

6. Reactants Products Leftovers CH 4 O2O2 O2O2 Write in Number What is produced Number

7. Now click on the “game” and set your settings to look like this GO TO NEXT SLIDE!!!!!!!!!!!!!!

8. When you get here, ask Mr. Taylor or Mr. Mason for help. If you do not need help you can try to do it on your own. Play the game…try to get the number of reactants and products correct! This part is difficult, so take your time. Screenshot your score. Screenshot