1. System & Scale Unit wrap-up and Post Test
Carbon TIME
System & Scale Unit wrap-up and Post Test

2. How would you identify if an unknown liquid will burn or not?
Entry Task:
How would you identify if an unknown liquid will burn or not?

3. Second Warm UP:
Which atoms form HIGH ENERGY bonds together? Which atoms form LOWER ENERGY bonds together?

4. Have Out Organic vs Inorganic Worksheet
Explanation Tool for a different fuel (Propane or Butane)

5. With a neighbor
Compare your explanations for each of the 3 questions Then, compare your overall explanations (back side of tool)

6. Propane burning Carbon Dioxide Water Propane and Oxygen
Chemical change
Photo Credit: Craig Douglas, Michigan State University
Water
Chemical change
Products
Propane and Oxygen
C3H8 + 5 O2 --> 3 CO2 + 4 H2O
Reactants
Heat and light energy

7. Butane burning Carbon Dioxide Water Butane and Oxygen
Chemical change
Photo Credit: Craig Douglas, Michigan State University
Ask students to choose (or choose for them) two of the examples on the Lesson 5.3 Other Examples of Combustion Worksheet to explain. Have students work individually to complete their predictions and explanations for both of their examples. Check on students’ progress and the quality of their explanations.
Show students Slides 2-6 of Lesson 5.3 Other Examples of Combustion Presentation to provide illustrations of other examples of combustion.
Water
Chemical change
Products
Butane and Oxygen
C4H O2 --> 4 CO2 + 5 H2O
Reactants
Heat and light energy

8. What about larger Molecules?
Complete an explanation for a larger molecules like Octane Or Candle Wax (Paraffin)

9. Octane burning Carbon Dioxide Water Octane and Oxygen
Chemical change
Photo Credit: Craig Douglas, Michigan State University
Water
Chemical change
Products
Octane and Oxygen
C8H O2 --> 8 CO2 + 9 H2O
Reactants
Heat and light energy

10. Candle burning Carbon Dioxide Water Paraffin and Oxygen
Chemical change
Photo Credit: Craig Douglas, Michigan State University
Water
Chemical change
Products
Paraffin and Oxygen
C25H O2 --> 25 CO H2O
Reactants
Heat and light energy

11. Homework Review Atom Facts, Energy Facts and burning explanations
Unit Test on Thursday 10/8