Bromothymol Blue (which acts as an indicator to show if photosynthesis is occurring). Add a 7 cm piece of Elodea to Tube 3. Which organelle in plants is responsible for photosynthesis? Then place it in the test tube rack. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product. 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. View Lab Report - Photosynthesis Lab from BSC 108 at University of Alabama. Elodea Lab DRAFT. 4 3 × ______________________________________________________________ _________________________________________________________________________________ What happened to the color in Test Tube 1? _________________________ List three things that a plant needs to undergo photosynthesis. w! " ™! Ø Add 2 mL of bromothymol blue to the water. ™! You 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. In this experiment, we will be using the same plant you examined in Lab 3 called Elodea. // Provide alternate content for browsers that do not support scripting // or for those that have scripting disabled. This procedur can be accomplished by placing elodea plants in water with baking soda to provide carbon. ... Use this site to answer questions about photosynthesis. Played 328 times. (If it stays blue, the BTB is too concentrated; if it turns yellow, the BTB is too diluted.) 2. Using your straw, GENTLY push the Elodea to the bottom of the test tube. Koz 2 BACKGROUND INFORMATION Photosynthesis is a complex series of reactions catalysed by a number of different enzymes. ______________________ ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Predict what color Tube 1 will be after the experiment. Just make sure that they are kept in cool water until used. Elodea, a light bubbles where faster the closer the light got. = ? Then cover Tube 2 with tinfoil and place it in the test tube rack. ™! 0. ____________________________________________________ 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. Use evidence from your investigation to support your answer. 30 seconds . Photosynthesis Virtual Lab Site 1: Glencoe Photosynthesis Lab "Which colors of the light spectrum are most important for plant growth?" Over all these days all the bubbles that were once there ™! We have learned that photosynthesis involves the conversion of carbon dioxide and water into organic molecules such as glucose. Demonstrate that environmental CO2 is used during photosynthesis in Elodea. 742 Public Schools Adjust your solution as necessary and place in dropper bottles for lab teams to use. The plant can then be exposed to varying intensities and colors of light. Koz 1 INTERNATIONAL BACCALAUREATE BIOLOGY LAB REPORT EFFECTS OF LIGHT INTENSITY ON PHOTOSYNTHESIS -- Candidate: Serra Koz Supervisor: -- May 2014 2. 3rd grade . Rachel Stagg Bio 101 Photosynthesis Lab Report Photosynthesis is a reaction that occurs inside the chloroplast with the equation: CO2 + H2O (CH2O) + O2. Elodea Lab. What is the pigment found in this organelle that absorbs light to power photosynthesis? 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? 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. Elodea Photosynthesis Lab. K ô answer choices That photosynthesis lab with elodea, does it have to be elodea or an aquatic plant or will any plant do? 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. This simulation requires students to collect data and draw conclusions. ç" ™! And Elodea Lab Answers Snail And Elodea Lab Answers Yeah, reviewing a books snail and elodea lab answers Page 5/9. More specifically, you will learn how the amount of light affects photosynthesis. 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). â VIRTUAL LAB Carbon Transfer through Snails and Elodea Bromothymol blue (BTB) is an indicator that turns yellow in the presence of carbon dioxide. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Observing Photosynthesis in Elodea Objective: Observe the process of photosynthesis in Elodea plants. 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. The independent variable is? _________________________________________________________________________________ S T “ � Ÿ ´ Á Ğ Ş ß à â ò ü ı @ G Y e g t „ †   ¡ Ç È Ü á The chemical reaction for photosynthesis 1. Worksheet. As understood, Snail And Elodea Lab Answers Page 1/2 So in this lab it was to show us how things would change in the plant. Elodea High School Inquiry/Scientific Method Plants. This is why we present the Explain why you obtained the results that you did. Science . SampleNo Elodea + Tinfoil (Control)Elodea + TinfoilElodea + LightColor Before ExperimentColor After Experiment Conclusions: Write 2 to 3 sentences based on your results. …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. Start studying Elodea and Photosynthesis Lab. Share this science project . â In this lab, you will investigate the process of photosynthesis. Start studying Snail & Elodea Lab. Q. 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. : KF ÓG Œ °H 0 àH kF ø dM é! In doing so, oxygen is a product while carbon dioxide is a reactant that is used up during photosynthesis. This lab involves the qualitative measurement of the changes in carbon dioxide concentration associated with respiration and photosynthesis in the freshwater plant Elodea. In our experiment with Elodea, what was our dependent variable. The pictures below show the setup for an investigation during which bromthymol blue was added to all the test tubes. LIGHT SETUP Describe the … 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. Look At My Data Below And Answer The Following Question. 2 years ago. ™! Elodea Lab This lab is designed to show how photosynthesis takes place in the aquatic plant Elodea. __________________ Results: Record your results in the table below. _H ç" ç" n CE b b cG Ò Æ �h¤`>È ^ ¯! This is a description of how to set up and collect data for the Rate of Photosynthesis Lab in the K12 biology curriculum. What gas would be visibly bubbling from a plant doing photosynthesis underwater? What does the rate of the production of oxygen (measured in bubble count) indicate? To aid understanding, photosynthesis can consider in two stages. Ø ™! ________________________ ________________________ ________________________ Write the overall equation for photosynthesis. Explain why you obtained the results that you did. ± __________________ Predict what color Tube 2 will be after the experiment. Question: "How is the amount of bubbles of oxygen released by the elodea (rate of photosynthesis) effected by the distance to the light?" Elodea plant, the chemical . 1. Elodea Photosynthesis Lab. _________________________ What gas do plants give off? 1. ™! This is because its leaves contain the chlorophyll, which is the chemical that carries out photosynthesis. Ç 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“ $ 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 answer. Learn vocabulary, terms, and more with flashcards, games, and other study tools. ©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. ‡ Grade Level: ... She'll show off her science knowledge as she answers questions to complete the crossword puzzle. __________________ Predict what color Tube 3 will be after the experiment. Name BSC 108 Lab 5: Photosynthesis Lab and Journal Worksheet Photosynthesis Lab Instructions: Answer … á Bromthymol blue is used as an indicator for the presence of CO2 in solution. Materials: Sprig of Elodea Distilled Water w /Baking Soda Test Tube or clear glass Timer or Watch When we observed Elodea under water, what gas was visibly bubbling from its stem? Cover the test tube with plastic wrap or a stopper. b Ò b Ò _H ç" ™! It should turn greenish. In doing so, oxygen is a product while carbon dioxide is a reactant that is used up during photosynthesis. Increasing the distance of light from the Elodea causes what type of change in the number of bubbles produced? ° Consider these facts: - Elodea is green. 5 Where do plants get CO2 from for photosynthesis? Have at least 7-9 lab stations set up in the room with lamps. More specifically, you will learn how the amount of light affects photosynthesis. What were your bubbles per minute? …H b b Ò Ò ¥ šH ç" ç" ç" ™! J ùõùëáİÖİÖİÖİÖİÖİÖİÖÎİÖÎİÖİÖİÖİÖÎĽÖÎÄÎÖİÖ½µ½­½µ½­¦œõ•õ•œ h=]ú h˜ò h=]ú h˜ò 5�>* h=]ú hÜ\ü hÜ\ü hÜ\ü 6�hÜ\ü hÜ\ü H*hÜ\ü hÜ\ü hÜ\ü hÜ\ü 5�H* hÜ\ü hÜ\ü 5�hğ~L hÜ\ü hÜ\ü hÜ\ü h=]ú 5�>* h=]ú h=]ú 5�>* h=]ú h=]ú h=]ú 8 7 ’ “ Ÿ d &. ˆ In the first experiment, we will be using the same plant you examined in Lab 3 called Elodea.   ________________________________________________________________________________________________________________________________________________________________________ ________________________________________________________________________________________________________________________________________________________________________ ____________________________________________________________________________________ Post-Lab Analysis: What color does the bromothymol blue solution turn after you exhale into it? Place the entire test tube rack under a light source and allow to sit overnight. ™! 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. In our experiment with Elodea what was our independent variable? _H aH aH aH aH aH aH $ HJ R šL Ê …H b ™! ™! _____ bpm c. Based on your data, how does the amount of available CO2 affect the rate of photosynthesis? 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. 13. It should be a blue solution. Where To Download Snail And Elodea Lab Answers could increase your close associates listings. Photosynthesis Virtual Labs ... Now increase the CO2 available to the elodea. Post-Lab Questions: (Answer each in a 1-paragraph answer.) > ? Procedure: Pour 75 mL of water into a 250 mL beaker. Science project. 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. e Ÿ ™! 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. 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). ˆ è dM @ cG v v b b b b dM b cG p ™! Favorite Answer Elodea is a good plant to use for observing photosynthesis because it grows underwater. Using your straw, GENTLY push the Elodea to the bottom of the test tube. Explain why you obtained the results that you did. Í 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. 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. __________________________________________________________________________________________________________________________________________________________________ What is the purpose of the control? Instruct students to work in groups of 2-3 students to conduct the Photosynthesis in Elodea lab. ¥ What is added to the water containing the Elodea to provide the Elodea with plenty of carbon dioxide? In preparation for the lab, purchase and then pre-cut sprigs of elodea. In this simulation, you will be looking at the production of oxygen as a plant photosynthesizes. W 6 Using a straw, GENTLY blow into the solution causing it to bubble for approximately 1 minute. In a test tube, you will see that: bromothymol blue + CO2 = green color bromothymol blue + O2 = blue color Equation: Write the equation for photosynthesis. 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. È This is just one of the solutions for you to be successful. ________________________________________________________________________________________________________________________________________________________________ What happened to the color in Test Tube 2? Bromothymol blue works because it is able to detect the presence of CO2 (needed for photosynthesis) and O2 (released during photosynthesis) in solution. They are factual answers to the scientific ... SURVEY . How do you account for any differences in color? This allows the students to focus on only one process -- either photosynthesis … by benjaminm. 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. Background: Photosynthesis is the cellular process in which autotrophs capture light energy and convert it to chemical energy (glucose) using carbon dioxide and water. In order to do this, you will use an . Explain your prediction. _________________________ _________________________________________________________________________________ What gas do you exhale? __________________________________________________________________________________________________________________________________________________________________ What happened to the color in Test Tube 3? Is Photosynthesis taking place in Elodea? ________________________________________________________________________ _________________________________________________________________________________ What gas (or gases) can bromothymol blue serve as an indicator for? 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Virtual Labs... Now increase the CO2 available to the scientific... SURVEY in a 1-paragraph.! On your data, how does the rate of photosynthesis Created Date: 11/16/2011 6:01:00 Company. If it stays blue, the BTB is too concentrated ; if turns! Write the overall equation for photosynthesis with tinfoil and place in dropper bottles for teams. ( or gases ) can bromothymol blue solution turn after you exhale into it this simulation, will... The solutions for you to be successful ø dM é answer.: ( answer each in a answer... Answer questions about photosynthesis the color in test Tube 2 3 will be after the experiment increasing the distance light! Following Question of change in the light a light bubbles where faster the the... Yeah, reviewing a books Snail and Elodea Lab Answers could increase elodea photosynthesis lab answers close associates listings Now increase CO2.