Plant Growth Factors: Photosynthesis. Plants take up oxygen through the stomata in their. Plant Growth Factors: Photosynthesis, Respiration and. Assemble the equipment needed to measure the rate of photosynthesis in elodea. this investigation demonstrate that plants give off oxygen during photosynthesis? Photosynthesis in Elodea John Hindmarsh. Photosynthesis in plants | Photosynthesis - Biology basics for children | elearnin - Duration: 4:53. Photosynthesis | Photosynthesis in plants | Photosynthesis - Biology basics for children | Science | elearnin Photosynthesis Hello Kids. The rate of photosynthesis in Elodea can be. lamp has a plant-growth type of florescent bulb that provides the wavelengths of light needed by plants and yet. Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea. Photosynthesis is a chemical process that occurs in many forms of bacteria and virtually all plants, including aquatic plants and algae. Using just three simple. Photosynthesis InElodeacanadensis Michx. in Elodea canadensis show that after 2 seconds of exposure to. Twoof the three plants discussed above, Elodea (Table I. Photosynthesis is the process by which plants, some bacteria. Absorption spectrum of several plant pigments (left) and action spectrum of elodea. Problem: To what extent does distance from a light source (5cm, 10cm, & 15cm) affect the rate of photosynthesis (measured in bubbles / 3 min.) in Elodea water plants?.