Rate of Photosynthesis Experiment

Hypothesis is that Light is needed of for photosynthesis! My aim is to prove that light is needed for photosynthesis by destarching a plant and then placing it in the sun with one of the leafs being half cover with tinfoil so that the light doesn’t get to that area if the leaf. I will the test the leaf for starch using iodine solution and the areas that got expose to sunlight will have starch and will turn a dark blue or black colour. The area that had the tinfoil in on it will have no starch and…

What Factors Affect the Rate of Photosynthesis in living leaves? Abstract: In this lab, four different types of leaves were tested to see the rate at which each leaf photosynthesized. This lab demonstrates how plants store light, capture light, and use light as energy for reproduction and growth, by photosynthesis. The control in this experiment was spinach, which was tested before any of the other plants were. The other plants that were tested were English Ivy, C4 Plant, and a multicolored…

Without carbon dioxide plants cannot photosynthesize. Through reading various books and web pages it was made clear that carbon dioxide is definitely one of the raw materials needed for photosynthesis, but I wanted to see whether this is actually true and if carbon dioxide is taken away completely will the plant photosynthesize at all? By taking a two plants of the exact same species, de-starching them both followed by putting plant one in conditions where carbon dioxide is taken away completely…

to determine the points of the highest absorbance and transmittance percentages. (Hickey, Mary Kay). For this experiment, a Bausch and Lomb Spectrophotometer was used. Often objects appear colored because of their absorption of light within regions of the visible spectrum. The color of light we can see is composed of the wavelengths that the object did not absorb. Photosynthesis in plants takes place in organelles called chloroplasts. Chloroplasts contain a number of coloured compounds, known…

The Effect of Light Intensity on the Rate of Photosynthesis Plan: Aim: To investigate the affect of light intensity on the rate of photosynthesis. Theory: Before I predict what will happen I must look at how photosynthesis occurs. Photosynthesis is the way plants create a source of food for themselves. Photosynthesis requires the following resources; Carbon Dioxide, Water and light. Inside the leaves of a plant there is a green substance, this substance…

the Rate of Photosynthesis Aim The aim of my experiment is to determine whether intensity of light and temperature would affect the rate of photosynthesis in a plant. To do this, I will place a piece of pondweed in varying light intensities and temperatures, and observe the amount of oxygen being given off. I am using pondweed because of its unusual quality of giving off bubbles of gas from a cut end, when placed in water. Introduction Photosynthesis occurs…

Biology Coursework ¡V Does The Light Intensity Affect the Rate of Photosynthesis The Investigation In this experiment I will investigate the affect in which the light intensity will have on a plants photosynthesis process. This will be done by measuring the bubbles of oxygen and having a bulb for the light intensity variable. Variables The input variable which will be used in this investigation will be the light intensity (this will be a 100Watt bulb being moved closer and further away from…

In conclusion to my investigation light is definitely needed and is important in the process of photosynthesis. Light is not only important in the light- dependant stage but the light-independent stage wouldn’t occur without light because light is changed from light energy to chemical potential energy and is carried out through the ATP and NADPH which takes the energy to the Calvin stage where that energy is used to make other organic compounds that we may be able to use like glucose. I also learned…

Investigation Problem: How does light affect the rate of Photosynthesis? The Plan In my experiment I am going to see how light affects the rate of photosynthesis. To do this experiment I am going to set up the apparatus as shown in figure 1. The apparatus I am going to use are the following: - 1 Tripod 1 300ml Beaker 1 Boiling Tube 1 Clamp Stand 1Clamp 1 Boss 1 Ring Binder 1 Lamp 1 1 Metre Ruler 1 Thermometer 1 Stop Clock To do the experiment I will set up the apparatus first. I will firstly…

Title A study to investigate the effect of varying light intensities on the rate of photosynthesis and oxygen production. Introduction Photosynthesis is a multistep process where light energy is converted into chemical energy (G.Garab 1998). It takes place within the chloroplasts in the plants and involves two major steps; light dependent reactions and light independent reactions. Photosynthesis results in the release of oxygen and the removal of carbon dioxide from the atmosphere, which…