Elodea & Photosynthesis Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product. Introduction This lab has been created in order to find what extent does distance from a light source (5cm‚ 10cm‚ and 15cm) affect the rate of photosynthesis (measured in bubbles / 3 min) in Elodea water plants. Hypothesis:
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Objective To investigate the effect of carbon dioxide concentration on the rate of photosynthesis Introduction Photosynthesis is a process that is essential for every living organism. Organic substances‚ such as glucose‚ are made from carbon dioxide and water by light energy from the sun. The light energy is absorbed by chlorophyll and converted to chemical energy. During the process‚ oxygen is released as a by-product. The rate of photosynthesis is affected by a few of factors‚ including
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‚James Anspacher‚ Spencer Troetschel ; 2915; Mr. Krotec; Honors Bio Period 4 Photosynthesis Lab Report I. Introduction The photosynthesis lab is designed to quantify photosynthesis‚ enabling a number of variables to be tested for their effects on photosynthetic rate. The production of oxygen‚ is used as an indirect measure of photosynthetic activity.The lab allows the examination of the effects of different wavelengths of light on photosynthetic activity. The other aspect of the lab includes
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Name _________________________________ Per. ________ Unit 5: Photosynthesis & Respiration Date: ____________ Lab #14: Photosynthesis and Carbon Dioxide Consumption Elodea and Bromothymol Blue Photosynthesis is the process by which plants take carbon dioxide from the atmosphere‚ add water‚ and use the energy of sunlight to produce sugar. Write the equation for photosynthesis: Photosynthesis occurs in the chloroplast‚ an organelle in plant cells that contains the molecule chlorophyll
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How carbon dioxide may affect organisms directly and indirectly Carbon dioxide is a molecule that is essential to the survival of nearly all organisms on our planet‚ as in some way or another they rely on carbon dioxide or its products to provide them with respiratory substrates. However‚ as I will elaborate later‚ carbon dioxide also has adverse effects on organisms. Carbon dioxide primarily affects all organisms as it is essential for the process of photosynthesis‚ in which organic compounds
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#2 Elodea and Photosynthesis by __________________ Name:_____________________ Class:_____________________ Teacher:_____________________ Date:_____________________ Elodea and Photosynthesis Introduction: Photosynthetic organisms (cyanobacteria) first evolved about 3.5 billion years ago and are the oldest know fossils on Earth. Cyanobacteria live in water‚ can manufacture their own food‚ and are one of the most important groups of bacteria on Earth. The Cyanobacteria have been important
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Does Human-Produced Carbon Dioxide Contribute to Global Warming? There are always two sides to an issue. This is especially true in Science. Each side will gather facts and statistics to help their argument. They will also fuel the argument with their opinions. Some articles are more persuasive in their reasoning then others. This persuasion can ultimately change a person’s opinion of the issue. The question to be answered is does human-produced carbon dioxide contribute significantly to
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tubes was tested. The solutions in the opaque tubes were placed on a slide with a drop of blood and observed under a microscope and compared to a control slide with just a drop of blood. Sketches of the observations were made and analyzed. A leaf of Elodea was placed on a slide along with solution X‚ observed‚ and drawn. Solution Y was then drawn through the slide and the previous method was repeated. The same was done with solution Z. The results were gathered and
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Name: Online Lab: Carbon Transfer Through Snails and Elodea Record answers in blue‚ bold font Go to http://www.classzone.com/cz/books/bio_07/resources/htmls/virtual_labs/virtualLabs.html (If the link does not work‚ go to http://www.classzone.com/cz/index.htm Enter Science‚ High School; NC; Go Click Biology 2008 (book on left) Click Virtual Labs (left side 2nd row)...continue with directions below) Click on Carbon Transfer Through Snails and Elodea. Read through the directions
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Conclusion The aim of this experiment was to investigate the effect of varying the distance (cm) of the Elodea plant from the light source at (5‚ 15‚ 25‚ 35 and 45 (cm)) (±0.05) on the photosynthetic rate by counting the number of oxygen bubbles rising up the test tube per minute (bubbles min^(-1)). The hypothesis was supported because as the light intensity increased‚ the rate at which oxygen bubbles rising to the top of the test tube also increased – for example‚ at the closest distance of 5
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