Oxygen and Carbon Dioxide Cycle

Bell work

• WS How Cells Work: Respiration

• Go over above WS

• Pass in Venn Diagram

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

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?

BrainPop: Carbon Cycle

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