1. Oxygen and Carbon Dioxide Cycle

2. Bell work WS How Cells Work: Respiration Go over above WS Pass in Venn Diagram

3. Photosynthesis and Respiration Photosynthesis and Respiration together form a cycle known as the oxygen and carbon dioxide cycle The reactants and the products are opposites

4. Demonstration – Exhaling Carbon Dioxide Bromthymol blue – is an indicator for carbon dioxide What is the initial color of the liquid? What is the final color of the liquid?

5. BrainPop: Carbon Cycle

8. Assignment Illustrate the oxygen and carbon dioxide cycle Include the processes of photosynthesis and respiration indicating where the reactants are coming from and where the products are going Include at least 3 examples of co2 being released in the illustration