This is a description of how to set up and collect data for the Rate of Photosynthesis Lab in the K12 biology curriculum. When Calculating The Rate Of Photosynthesis, Why Was It Necessary To Subtract The Rate Of O2 Change In The Light Minus The Rate Of O2 Change In The Dark? We have learned that photosynthesis involves the conversion of carbon dioxide and water into organic molecules such as glucose. 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. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product. Explain why you obtained the results that you did. Worksheet. 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. VIRTUAL LAB Carbon Transfer through Snails and Elodea Bromothymol blue (BTB) is an indicator that turns yellow in the presence of carbon dioxide. In this experiment, we will be using the same plant you examined in Lab 3 called Elodea. b Ò b Ò _H ç" ™! …H b b Ò Ò ¥ šH ç" ç" ç" ™! Explain why you obtained the results that you did. Post-Lab Questions: (Answer each in a 1-paragraph answer.) The chemical reaction for photosynthesis _H aH aH aH aH aH aH $ HJ R šL Ê …H b ™! ©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. 2. Bromothymol blue works because it is able to detect the presence of CO2 (needed for photosynthesis) and O2 (released during photosynthesis) in solution. 2 years ago. 0. Use evidence from your investigation to support your answer. What is added to the water containing the Elodea to provide the Elodea with plenty of carbon dioxide? And Elodea Lab Answers Snail And Elodea Lab Answers Yeah, reviewing a books snail and elodea lab answers Page 5/9. ________________________________________________________________________________________________________________________________________________________________ What happened to the color in Test Tube 2? ______________________ ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Predict what color Tube 1 will be after the experiment. Science . ˆ Elodea High School Inquiry/Scientific Method Plants. …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. 742 Public Schools 4 Koz 1 INTERNATIONAL BACCALAUREATE BIOLOGY LAB REPORT EFFECTS OF LIGHT INTENSITY ON PHOTOSYNTHESIS -- Candidate: Serra Koz Supervisor: -- May 2014 2. 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. Place the entire test tube rack under a light source and allow to sit overnight. The pictures below show the setup for an investigation during which bromthymol blue was added to all the test tubes. W 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“ $ To aid understanding, photosynthesis can consider in two stages. The independent variable is? ... Use this site to answer questions about photosynthesis. That photosynthesis lab with elodea, does it have to be elodea or an aquatic plant or will any plant do? 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. Name BSC 108 Lab 5: Photosynthesis Lab and Journal Worksheet Photosynthesis Lab Instructions: Answer … Instruct students to work in groups of 2-3 students to conduct the Photosynthesis in Elodea lab. Label 3 large test tubes: 1, 2, & 3 Tube 1 will be the control (no Elodea) Tube 2 will be the Elodea in the dark Tube 3 will be the Elodea in the light Pour 25 mL of the bromothymol blue + water solution into each of the three test tubes. View Lab Report - Photosynthesis Lab from BSC 108 at University of Alabama. __________________ Predict what color Tube 2 will be after the experiment. 3 In doing so, oxygen is a product while carbon dioxide is a reactant that is used up during photosynthesis. Then place it in the test tube rack. // Provide alternate content for browsers that do not support scripting // or for those that have scripting disabled. Consider these facts: - Elodea is green. Elodea Lab This lab is designed to show how photosynthesis takes place in the aquatic plant Elodea. Photosynthesis Virtual Labs ... Now increase the CO2 available to the elodea. In our experiment with Elodea, what was our dependent variable. Which organelle in plants is responsible for photosynthesis? In order to do this, you will use an . In the first experiment, we will be using the same plant you examined in Lab 3 called Elodea. ° ™! Ÿ As understood, Snail And Elodea Lab Answers Page 1/2 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. Í This lab involves the qualitative measurement of the changes in carbon dioxide concentration associated with respiration and photosynthesis in the freshwater plant Elodea. Ç Increasing the distance of light from the Elodea causes what type of change in the number of bubbles produced? ‡ More specifically, you will learn how the amount of light affects photosynthesis. Elodea plant, the chemical . In this simulation, you will be looking at the production of oxygen as a plant photosynthesizes. ™! 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. 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. 1. _________________________ _________________________________________________________________________________ What gas do you exhale? ™! SampleNo Elodea + Tinfoil (Control)Elodea + TinfoilElodea + LightColor Before ExperimentColor After Experiment Conclusions: Write 2 to 3 sentences based on your results. photosynthesis-and-respiration-in-elodea-answer-key-cornell 1/5 Downloaded from ny.hearstfdn.org on December 20, 2020 by guest [EPUB] Photosynthesis And Respiration In Elodea Answer Key Cornell When people should go to the books stores, search instigation by shop, shelf by shelf, it is essentially problematic. Then cover Tube 2 with tinfoil and place it in the test tube rack. Question: "How is the amount of bubbles of oxygen released by the elodea (rate of photosynthesis) effected by the distance to the light?" Have at least 7-9 lab stations set up in the room with lamps. This allows the students to focus on only one process -- either photosynthesis … Elodea, a light bubbles where faster the closer the light got. 6 ________________________________________________________________________ _________________________________________________________________________________ What gas (or gases) can bromothymol blue serve as an indicator for? It should be a blue solution. 5 Science project. = ? So in this lab it was to show us how things would change in the plant. ________________________________________________________________________________________________________________________________________________________________________ ________________________________________________________________________________________________________________________________________________________________________ ____________________________________________________________________________________ Post-Lab Analysis: What color does the bromothymol blue solution turn after you exhale into it? Bromothymol Blue (which acts as an indicator to show if photosynthesis is occurring). e Title: ELODEA LAB- PHOTOSYNTHESIS Author: Classroom/Lab Last modified by: Harel Jay Sharp Created Date: 11/16/2011 6:01:00 PM Company: I.S.D. Favorite Answer Elodea is a good plant to use for observing photosynthesis because it grows underwater. What gas would be visibly bubbling from a plant doing photosynthesis underwater? _________________________________________________________________________________ S T “ � Ÿ ´ Á Ğ Ş ß à â ò ü ı @ G Y e g t „ †   ¡ Ç È Ü á _________________________ What gas do plants give off? Learn vocabulary, terms, and more with flashcards, games, and other study tools. Add 2 mL of bromothymol blue to the water. Elodea Photosynthesis Lab. Learn vocabulary, terms, and more with flashcards, games, and other study tools. 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More specifically, you will learn how the amount of light affects photosynthesis. è dM @ cG v v b b b b dM b cG p ™! What is the pigment found in this organelle that absorbs light to power photosynthesis? In order to do this, you will use an Elodea plant, the chemical Bromothymol Blue (which acts as an indicator to show if photosynthesis is occurring). Over all these days all the bubbles that were once there Where To Download Snail And Elodea Lab Answers could increase your close associates listings. ™! In a test tube, you will see that: bromothymol blue + CO2 = green color bromothymol blue + O2 = blue color Equation: Write the equation for photosynthesis. ™! This is because its leaves contain the chlorophyll, which is the chemical that carries out photosynthesis. This procedur can be accomplished by placing elodea plants in water with baking soda to provide carbon. ________________________ ________________________ ________________________ Write the overall equation for photosynthesis. Share this science project .   Q. Cover Tube 1 with tin foil (there is no Elodea in Tube 1) and place it in the test tube rack Add a 7 cm piece of Elodea to Tube 2. The plant can then be exposed to varying intensities and colors of light. by benjaminm. 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. Start studying Snail & Elodea Lab. Using a straw, GENTLY blow into the solution causing it to bubble for approximately 1 minute. 1. In doing so, oxygen is a product while carbon dioxide is a reactant that is used up during photosynthesis. _________________________ List three things that a plant needs to undergo photosynthesis. In preparation for the lab, purchase and then pre-cut sprigs of elodea. Procedure: Pour 75 mL of water into a 250 mL beaker. This is why we present the In this lab, you will investigate the process of photosynthesis. Materials: Sprig of Elodea Distilled Water w /Baking Soda Test Tube or clear glass Timer or Watch &. Just make sure that they are kept in cool water until used. ____________________________________________________ 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. __________________ Results: Record your results in the table below. Ø Ø ___________________________________________________ _________________________________________________________________________________ Compare the Elodea in the dark to the Elodea in the light. Koz 2 BACKGROUND INFORMATION Photosynthesis is a complex series of reactions catalysed by a number of different enzymes. __________________ Explain your answer. When we observed Elodea under water, what gas was visibly bubbling from its stem? This simulation requires students to collect data and draw conclusions. What were your bubbles per minute? ______________________________________________________________ _________________________________________________________________________________ What happened to the color in Test Tube 1? Rachel Stagg Bio 101 Photosynthesis Lab Report Photosynthesis is a reaction that occurs inside the chloroplast with the equation: CO2 + H2O (CH2O) + O2. What does the rate of the production of oxygen (measured in bubble count) indicate? Using your straw, GENTLY push the Elodea to the bottom of the test tube. Where do plants get CO2 from for photosynthesis? __________________ Predict what color Tube 3 will be after the experiment. _H ç" ç" n CE b b cG Ò Æ �h¤`>È ^ ¯! 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. Demonstrate that environmental CO2 is used during photosynthesis in Elodea. 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). (If it stays blue, the BTB is too concentrated; if it turns yellow, the BTB is too diluted.) Background: Photosynthesis is the cellular process in which autotrophs capture light energy and convert it to chemical energy (glucose) using carbon dioxide and water. Look At My Data Below And Answer The Following Question. > ? Grade Level: ... She'll show off her science knowledge as she answers questions to complete the crossword puzzle. ˆ K ô Start studying Elodea and Photosynthesis Lab. á Explain why you obtained the results that you did. answer choices â Cover the test tube with plastic wrap or a stopper. Adjust your solution as necessary and place in dropper bottles for lab teams to use. __________________________________________________________________________________________________________________________________________________________________ What is the purpose of the control? ™! 30 seconds . ™! Played 328 times. â How do you account for any differences in color? 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. : KF ÓG Œ °H 0 àH kF ø dM é! _____ bpm c. Based on your data, how does the amount of available CO2 affect the rate of photosynthesis? 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. LIGHT SETUP Describe the … Is Photosynthesis taking place in Elodea? 13. È Elodea Lab DRAFT. S-7-8-1_Rate of Photosynthesis Lab KEY Rate of Photosynthesis Lab: Answer KEY Write the formula for photosynthesis here: CO 2 + H 2 O + light energy → C 6 H 12 O 6 + O 2 Now, write the formula in the form of a sentence: Carbon dioxide plus water plus light energy from the Sun combine to form glucose and oxygen. Elodea Lab. ™! ± Using your straw, GENTLY push the Elodea to the bottom of the test tube. w! " Observing Photosynthesis in Elodea Objective: Observe the process of photosynthesis in Elodea plants. It should turn greenish. Bromthymol blue is used as an indicator for the presence of CO2 in solution. 1. ™! Photosynthesis Virtual Lab Site 1: Glencoe Photosynthesis Lab "Which colors of the light spectrum are most important for plant growth?" __________________________________________________________________________________________________________________________________________________________________ What happened to the color in Test Tube 3? Elodea Photosynthesis Lab. 3rd grade . 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