ˆ When we observed Elodea under water, what gas was visibly bubbling from its stem? In doing so, oxygen is a product while carbon dioxide is a reactant that is used up during photosynthesis. As understood, Snail And Elodea Lab Answers Page 1/2 What were your bubbles per minute? The chemical reaction for photosynthesis ____________________________________________________ Hypothesis: ________________________________________________________________________________________________________________________________________________________________________ Material Preparation: If concentrated bromothymol blue (BTB liquid) is available, dilute with water (distilled works best) and test the concentration by adding 10 ml of your BTB solution to 15 ml water and bubbling one lung full of air through a straw into the water. Koz 2 BACKGROUND INFORMATION Photosynthesis is a complex series of reactions catalysed by a number of different enzymes. 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Ÿ ™! ________________________________________________________________________________________________________________________________________________________________________ ________________________________________________________________________________________________________________________________________________________________________ ____________________________________________________________________________________ Post-Lab Analysis: What color does the bromothymol blue solution turn after you exhale into it? Summary: This lab that we did was to see what would happen to see what would happen to the Elodea plant if we put a different substance in our beakers. 0. Because the leaves of Elodea are only a few cells thick, they will be easy to observe under the microscope to look at cells and cell parts. _________________________________________________________________________________ S T “ � Ÿ ´ Á Ğ Ş ß à â ò ü ı @ G Y e g t „ †   ¡ Ç È Ü á The independent variable is? What does the rate of the production of oxygen (measured in bubble count) indicate? 6 â Place the entire test tube rack under a light source and allow to sit overnight. Which organelle in plants is responsible for photosynthesis? Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product. Science . W Just make sure that they are kept in cool water until used. Worksheet. More specifically, you will learn how the amount of light affects photosynthesis. 742 Public Schools Materials: Sprig of Elodea Distilled Water w /Baking Soda Test Tube or clear glass Timer or Watch What is the pigment found in this organelle that absorbs light to power photosynthesis? The plant can then be exposed to varying intensities and colors of light. 1. This is because its leaves contain the chlorophyll, which is the chemical that carries out photosynthesis. e Procedure: Pour 75 mL of water into a 250 mL beaker. × …H …H v v „ ú d Ñ" v v ú Biology Name ____________________________________ Photosynthesis Lab - Elodea & Bromothymol Blue Period ___________ Date ___________________ Background: In this lab, you will investigate the process of photosynthesis. We have learned that photosynthesis involves the conversion of carbon dioxide and water into organic molecules such as glucose. Instruct students to work in groups of 2-3 students to conduct the Photosynthesis in Elodea lab. Post-Lab Questions: (Answer each in a 1-paragraph answer.) ™! ___________________________________________________ _________________________________________________________________________________ Compare the Elodea in the dark to the Elodea in the light. This is just one of the solutions for you to be successful. In our experiment with Elodea, what was our dependent variable. Divide the class in half and have lab groups in each half address either “Purpose A,” dealing with the use of CO2 by Elodea during photosynthesis, or “Purpose B,” demonstrating the production of CO2 during plant respiration. Í LIGHT SETUP Describe the … Elodea Photosynthesis Lab. b Ò b Ò _H ç" ™! Ø = ? Add 2 mL of bromothymol blue to the water. Elodea Lab. I don't really have time to go get elodea or any plant right now, so I really need to know if it will work with just regular flower leaves. ______________________ ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Predict what color Tube 1 will be after the experiment. Consider these facts: - Elodea is green. Photosynthesis Virtual Labs ... Now increase the CO2 available to the elodea. Bromothymol Blue (which acts as an indicator to show if photosynthesis is occurring). Tube 1 Tube 2 Tube 3 No Elodea Elodea Elodea + + + Covered in tinfoil Covered in tinfoil In the light Pre-Lab Questions: Predict what will happen to the color of the solution when you blow into the straw (causing the bromothymol blue + water solution to bubble). __________________ Explain your answer. ™! In preparation for the lab, purchase and then pre-cut sprigs of elodea. In order to do this, you will use an . Question: "How is the amount of bubbles of oxygen released by the elodea (rate of photosynthesis) effected by the distance to the light?" __________________ Predict what color Tube 3 will be after the experiment. ĞÏࡱá > şÿ ^ ` şÿÿÿ ] ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿì¥Á @ ğ¿ £ bjbj)) +: Kz Kz £ ÿÿ ÿÿ ÿÿ ˆ b b b b b b b v ^ ^ ^ ^ $ ‚ D v àH h Ò Ò Ò Ò Ò ™! Where To Download Snail And Elodea Lab Answers could increase your close associates listings. Start studying Snail & Elodea Lab. That photosynthesis lab with elodea, does it have to be elodea or an aquatic plant or will any plant do? Have at least 7-9 lab stations set up in the room with lamps. Photosynthesis Virtual Lab Site 1: Glencoe Photosynthesis Lab "Which colors of the light spectrum are most important for plant growth?" This procedur can be accomplished by placing elodea plants in water with baking soda to provide carbon. How do you account for any differences in color? Observing Photosynthesis in Elodea Objective: Observe the process of photosynthesis in Elodea plants. ________________________________________________________________________ _________________________________________________________________________________ What gas (or gases) can bromothymol blue serve as an indicator for? > ? Photosynthesis Lab In Elodea Plant 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. In this lab, you will investigate the process of photosynthesis. Q. &. 1. In a test tube, you will see that: bromothymol blue + CO2 = green color bromothymol blue + O2 = blue color Equation: Write the equation for photosynthesis. 3rd grade . …H b b Ò Ò ¥ šH ç" ç" ç" ™! This is why we present the Look At My Data Below And Answer The Following Question. In the first experiment, we will be using the same plant you examined in Lab 3 called Elodea. Site: bit.ly/pholab (you can type "glencoe photosynthesis" into a google search to find this resource) - Read the summary in the side bar which explains how colors of light affect plant growth. ± K ô _________________________ _________________________________________________________________________________ What gas do you exhale? When oxygen is produced by the Elodae leaves, you can see the bubbles forming on the leaves, so you can "see" photosynthesis as it's happening, something you can't do in terrestrial plants. Explain your prediction. It should be a blue solution. ° Learn vocabulary, terms, and more with flashcards, games, and other study tools. Purpose: To find out how the Elodea cell looks like and study it under magnification and compare it to different cell parts under a microscope. Explain why you obtained the results that you did. Background: Photosynthesis is the cellular process in which autotrophs capture light energy and convert it to chemical energy (glucose) using carbon dioxide and water. _________________________ List three things that a plant needs to undergo photosynthesis. More specifically, you will learn how the amount of light affects photosynthesis. ™! _________________________ What gas do plants give off? Elodea Lab This lab is designed to show how photosynthesis takes place in the aquatic plant Elodea. (If it stays blue, the BTB is too concentrated; if it turns yellow, the BTB is too diluted.) Rachel Stagg Bio 101 Photosynthesis Lab Report Photosynthesis is a reaction that occurs inside the chloroplast with the equation: CO2 + H2O (CH2O) + O2. Elodea plant, the chemical . è dM @ cG v v b b b b dM b cG p ™! In this simulation, you will be looking at the production of oxygen as a plant photosynthesizes. // Provide alternate content for browsers that do not support scripting // or for those that have scripting disabled. : KF ÓG Œ °H 0 àH kF ø dM é! View Lab Report - Photosynthesis Lab from BSC 108 at University of Alabama. Share this science project . ________________________________________________________________________________________________________________________________________________________________ What happened to the color in Test Tube 2? ˆ In this lab, the purpose was to figure out how much photosynthesis was occurring in the test tubes with the elodea plant and the control. Played 328 times. ©2008 CIBT Photosynthesis and Respiration in Elodea – Student Section Page 2 Purpose: Your lab group is asked to design, execute, and analyze an experiment that tries to accomplish the following two tasks: Task A. Explain why you obtained the results that you did. ¥ ç" ™! Question: For This Lab It Asked Me To Calculate The Rate Of Photosynthesis = Rate Of Volume Change In Light - Rate Of Volume Change In Dark. Using your straw, GENTLY push the Elodea to the bottom of the test tube. Increasing the distance of light from the Elodea causes what type of change in the number of bubbles produced? Elodea Lab DRAFT. Grade Level: ... She'll show off her science knowledge as she answers questions to complete the crossword puzzle. Demonstrate that environmental CO2 is used during photosynthesis in Elodea. Hypothesis: If I use a microscope, then I will see the Elodea cell and its cell parts including the Nucleus, Cytoplasm, Cell Membrane, Chloroplasts, and Cell Wall. What is added to the water containing the Elodea to provide the Elodea with plenty of carbon dioxide? answer choices Bromthymol blue is used as an indicator for the presence of CO2 in solution. __________________ Predict what color Tube 2 will be after the experiment. Î Ï Ú ô ì `' C“ ì `' C“ ôÿ `' åÜ ä `' C“ ä `' C“ ôÿ `' åÜ Òÿ `' ê Òÿ `' ê Çÿ `' åÜ ì `' C“ ì `' C“ Çÿ `' åÜ ôÿ `' ɹ Çÿ `' åÜ ì `' C“ ì `' C“ ¸ÿ `' åÜ © `' C“ $ IntroductionThis 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. w! " Elodea High School Inquiry/Scientific Method Plants. Where do plants get CO2 from for photosynthesis? Learn vocabulary, terms, and more with flashcards, games, and other study tools. Ø 4 What gas would be visibly bubbling from a plant doing photosynthesis underwater? Use evidence from your investigation to support your answer. 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