1. Why pond water only should be used for this experiment? In this experiment, the student will place aquatic plants under different colors of light in a solution of bromothymol blue. Photosynthesis is the process by which green plants make their own food. However, the process presents more of a challenge for aquatic plants if they are fully submerged below the surface of the water. Sunlight and Photosynthesis in Aquatic Plants. To make food, plants need carbon dioxide, water, and sunlight; this process is called photosynthesis. Before they begin the experiment, however, students must come up with a well-worded hypothesis to be … Plants use carbon dioxide and produce oxygen gas during photosynthesis. Water is one of the raw materials of photosynthesis. This project is … Ability to perform photosynthesis is the main distinguishing feature between green plants and other organisms on Earth. Photosynthesis in aquatic plants takes place in the same way as the land plants undergo to produce foods. They produce carbon dioxide during cellular respiration. 1 Make sure each lab group member is aware of safety rules and procedures for this lab. Here is a short lab activity to demonstrate the oxygen production of Use Cabomba or Elodea, which are sold in aquarium shops.. 4. of the plant. Create two identical models of an ecosystem with pond water, an aquatic plant, and a snail. Students learn a simple technique for quantifying the amount of photosynthesis that occurs in a given period of time, using a common water plant (Elodea). The effect of light intensity on photosynthesis can be investigated in water plants. WATER. Floating plants photosynthesize much like plants that grow on land. The plant I usually use for this experiment is called elodea, which is available at any local pet store in the fish area. In this lab, students will be testing whether or not aquatic plants do photosynthesis in the dark or light, and also testing if they do cellular respiration during the dark or light. But the water content of the leaf often acts as a limiting factor indirectly. Hydrilla plants are aquatic algal plants. Photosynthesis Lab with Aquatic Plants and Freshwater Algae Overview Photosynthesis is the process by which plants transform light energy into chemical energy for growth, reproduction, and metabolism of the organism. These plants can carry out photosynthesis even they are inside water. Less than 1 percent water is absorbed by the plant. Ans. 4 PS-3850 5 Student Activity Worksheet. They use this technique to compare the amounts of photosynthesis that occur under conditions of low and high light levels. Plant and snail in pond water, in the light. The amount of water actually used in photosynthesis is very small. Photosynthesis involves the same molecules and chemical reactions in land plants and aquatic plants. Photosynthesis is the process plants (or photoautotrophs) use to convert energy from the sun, carbon dioxide, and water into food (carbohydrates). Photosynthesis happens when a plant absorbs carbon dioxide, nutrients, and water through the holes found in the roots (branches, stem, flowers, leaves, etc.) Therefor, it cannot be a limiting factor directly. Ans. Students will perform two sets of experiments. Student Activity Worksheet. Read on to know more about how photosynthesis takes place in aquatic plants. Investigating photosynthesis. The below mentioned article includes a collection of ten experiments on photosynthesis for high school. Pond water is a source of Co2 for these plants. The byproduct of that process is oxygen, and you can prove it using a simple science experiment! 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