Notes from Dr. Borkosky

The plant can then be exposed to varying intensities and colors of light. You’ll use it to cover: • This crucial investigation over and over. This resource includes student sheets with 4 different investigations, technical notes and full teachers' notes. Pondweed or Elodia is an aquatic plant typically used to measure the rate of photosynthesis.

of photosynthesis?

Make sure to include information such as the color of light, light intensity, Conditions. How do you know? Students can investigate the effects of either light intensity or the wavelength (colour) of light on photosynthesis. Photosynthesis is a simulation of the classic pondweed experiment. Download the resources from the link on the right. Why do the bubbles tell ... Cut a piece of the pondweed, ... Repeat the experiment at different distances away from the light source. Previously, Cabomba caroliniana was recommended as a species for this protocol but this is no longer available in the UK, due to the invasive plant directive. In this practical experiment, the rate of photosynthesis is measured by counting the number of bubbles rising from the cut end of a piece of Cabomba pondweed. to the level of light to complete the data table. Number of Bubbles

What are the bubbles you are measuring in this lab? Pondweed Simulation Introduction: In this simulation, you will be looking at the production of oxygen as a plant photosynthesizes. ... Cut a piece of the pondweed, ... Repeat the experiment at different distances away from the light source. Previously, Cabomba caroliniana was recommended as a species for this protocol but this is no longer available in the UK, due to the invasive plant directive. as a guide). Note: When buying from pet stores in particular, the staff may not be able to identify the type of pondweed they are selling but we hope that you will be able to use the video and images in the guide to pondweeds to help.

In this practical experiment, the rate of photosynthesis is measured by counting the number of bubbles rising from the cut end of a piece of Cabomba pondweed. photosynthesis in a plant?

Pondweed Simulation Pondweed or Elodia is an aquatic plant typically used to measure the rate of photosynthesis. 6. It'll work every time! Creative Commons Attribution-ShareAlike 4.0 International License. You’ll use it to cover:• This crucial investigation over and over. There are 3 other potential variables you could test with this simulation: amount of carbon dioxide, light intensity, and temperature.

Propose an explanation for these results. Keep the light settings at white light (you already tested colored light in the last experiment.)

influence the rate of photosynthesis. This procedure can be accomplished by placing elodea plants in water with baking soda to provide carbon. if you don't know it). 4. This website and its content is subject to our Terms and 2. you how fast photosynthesis is occurring? • How light, temperature, and carbon dioxide affect the rate of photosynthesis • How the frequency of light affects rate • How simulated results compare to real experiments. ... Affect of CO2 Level on Photosynthesis Develop an experiment to test how the level of CO2 affects the rate of photosynthesis. You’ll use it to cover: • This crucial investigation over and over. Watching gas bubble up from a pondweed as it photosynthesises can be a great demonstration or student practical.

Counting the bubbles helps determine the rate of photosynthesis. • How light, temperature, and carbon dioxide affect the rate of photosynthesis • How the frequency of light affects rate • How simulated results compare to real experiments. Oxygen bubbles are given off by the plant in response to photosynthesis. Propose an explanation for these results. This simulator addresses three factors that

Created: May 1, 2013| Updated: Feb 22, 2018, SAPS - Bubbling Cabomba pondweed - student sheet, SAPS - Bubbling Cabomba pondweed - teaching notes, SAPS - Bubbling Cabomba pondweed - technical notes. The bubbles produced by pondweed can be counted and the rate of bubbling can serve as an indication of the rate of photosynthesis, or the gas can be collected in a pipette or microsyringe and the amount measured. (Use the previous experiments (Light = 6.0 | CO2 = 6.0). Introduction: In this simulation, you will be looking at the production of 2. One common way is to gather bubbles of gas given off by an aquatic plant. photosynthesis? Make adjustments Choose one variable and design and experiment that would test how this factor affects the rate of photosynthesis. Vector for mathematics and physics students. Our video demonstrates how best to use this protocol with your students in the lab, which species of pondweed can be used, how to care for pondweeds and a short explanation on the physiology that allows pondweed to bubble.

Construct a data table in the space below that shows the data you collected. photosynthesis? Photosynthesis is a simulation of the classic pondweed experiment. ESS Topic 1.1: Environmental Value Systems, ESS Topic 2.2: Communities and Ecosystems, ESS Topic 2.3: Flows of Energy and Matter, ESS Topic 2.4: Biomes, Zonation and Succession, ESS Topic 3: Biodiversity and Conservation, ESS Topic 3.1: Introduction to Biodiversity, ESS Topic 3.4: Conservation of Biodiversity, ESS Topic 4: Water and Aquatic Food Production Systems and Society, ESS Topic 4.1: Introduction to Water Systems, ESS Topic 4.3: Aquatic Food Production Systems, ESS Topic 5:Soil Systems and Terrestrial Food Production Systems and Society, ESS Topic 5.1: Introduction to Soil Systems, ESS Topic 5.2: Terrestrial Food Production Systems and Food Choices, ESS Topic 5.3: Soil Degradation and Conservation, ESS Topic 6: Atmospheric Systems and Society, ESS Topic 6.1: Introduction to the Atmosphere, ESS Topic 7: Climate Change and Energy Production, ESS Topic 7.1: Energy Source and Security, ESS Topic 7.2: Climate change – Causes and Impacts, ESS Topic 7.3: Climate change – Mitigation and Adaptation, ESS Topic 8: Human System and Resource Use, ESS Topic 8.1: Human Populations Dynamics, ESS Topic 8.4 Human Population Carrying Capacity, Topic 2.7: DNA Replication, Transcription and Translation, Topic 3.5: Genetic Engineering and Biotechnology, Topic 5.3: Classification of Biodiversity, Topic 6.3: Defense Against Infectious Disease, Topic 6.6: Hormones, Homeostasis and Reproduction, Topic 7.2 Transcription and Gene Expression, Topic 8: Metabolism, Cell Respiration and Photosynthesis, Topic 9.1 Transport in the Xylem of Plants, Topic 9.2 Transport in the Phloem of Plants, Topic 11.1 Antibody Production and Vaccination, Topic 11.3: The Kidney and Osmoregulation.

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