1. Yeast Respiration & Sugar Substitutes | Investigating Gas Production – Measuring yeast activity with sugar and substitutes, recording gas levels, and analyzing respiration rates. 2. Aerobic Respiration in Seeds | Oxygen Uptake Measurement – Using a respirometer to track oxygen consumption, plotting results, and calculating respiration rates. 3. Dandelion Seed Adaptations | Wind Dispersal Mechanisms – Drawing a detailed seed structure, measuring its length, and explaining adaptations for wind dispersal.