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È 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. Elodea Lab. 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? 0. 1. by benjaminm. Bromothymol Blue (which acts as an indicator to show if photosynthesis is occurring). w! " So in this lab it was to show us how things would change in the plant. 5 Which organelle in plants is responsible for photosynthesis? Just make sure that they are kept in cool water until used. As understood, Snail And Elodea Lab Answers Page 1/2 This allows the students to focus on only one process -- either photosynthesis … 30 seconds . b Ò b Ò _H ç" ™! Increasing the distance of light from the Elodea causes what type of change in the number of bubbles produced? Share this science project . 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. When we observed Elodea under water, what gas was visibly bubbling from its stem? (If it stays blue, the BTB is too concentrated; if it turns yellow, the BTB is too diluted.) _H ç" ç" n CE b b cG Ò Æ �h¤`>È ^ ¯! Explain your prediction. Science . Observing Photosynthesis in Elodea Objective: Observe the process of photosynthesis in Elodea plants. Demonstrate that environmental CO2 is used during photosynthesis in Elodea. Ç 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). 6 e Bromthymol blue is used as an indicator for the presence of CO2 in solution. ____________________________________________________ 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. 2. 13. = ? ˆ Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product. Post-Lab Questions: (Answer each in a 1-paragraph answer.) LIGHT SETUP Describe the … Q. _________________________ List three things that a plant needs to undergo photosynthesis. Have at least 7-9 lab stations set up in the room with lamps.   ________________________ ________________________ ________________________ Write the overall equation for photosynthesis. VIRTUAL LAB Carbon Transfer through Snails and Elodea Bromothymol blue (BTB) is an indicator that turns yellow in the presence of carbon dioxide. They are factual answers to the scientific ... SURVEY . 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. More specifically, you will learn how the amount of light affects photosynthesis. 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. Elodea Photosynthesis Lab. ˆ Procedure: Pour 75 mL of water into a 250 mL beaker. 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“ $ × ™! What is added to the water containing the Elodea to provide the Elodea with plenty of carbon dioxide? 1. 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 Look At My Data Below And Answer The Following Question. This is a description of how to set up and collect data for the Rate of Photosynthesis Lab in the K12 biology curriculum. Explain why you obtained the results that you did. …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. Using your straw, GENTLY push the Elodea to the bottom of the test tube. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Start studying Elodea and Photosynthesis Lab. ™! 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. ™! …H b b Ò Ò ¥ šH ç" ç" ç" ™! ° Place the entire test tube rack under a light source and allow to sit overnight. ______________________________________________________________ _________________________________________________________________________________ What happened to the color in Test Tube 1? In the first experiment, we will be using the same plant you examined in Lab 3 called Elodea. __________________________________________________________________________________________________________________________________________________________________ What happened to the color in Test Tube 3? Elodea Lab DRAFT. ç" ™! What does the rate of the production of oxygen (measured in bubble count) indicate? More specifically, you will learn how the amount of light affects photosynthesis. The pictures below show the setup for an investigation during which bromthymol blue was added to all the test tubes. ... Use this site to answer questions about photosynthesis. ™! SampleNo Elodea + Tinfoil (Control)Elodea + TinfoilElodea + LightColor Before ExperimentColor After Experiment Conclusions: Write 2 to 3 sentences based on your results. 742 Public Schools Background: Photosynthesis is the cellular process in which autotrophs capture light energy and convert it to chemical energy (glucose) using carbon dioxide and water. Ø Cover the test tube with plastic wrap or a stopper. Over all these days all the bubbles that were once there Elodea Photosynthesis Lab. Name BSC 108 Lab 5: Photosynthesis Lab and Journal Worksheet Photosynthesis Lab Instructions: Answer … ©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. __________________ Predict what color Tube 2 will be after the experiment. W ± â __________________ Predict what color Tube 3 will be after the experiment. __________________________________________________________________________________________________________________________________________________________________ What is the purpose of the control? Start studying Snail & Elodea Lab. In preparation for the lab, purchase and then pre-cut sprigs of elodea. Ÿ ¥ This is just one of the solutions for you to be successful. And Elodea Lab Answers Snail And Elodea Lab Answers Yeah, reviewing a books snail and elodea lab answers Page 5/9. Í Elodea High School Inquiry/Scientific Method Plants. 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 . This simulation requires students to collect data and draw conclusions. answer choices This is because its leaves contain the chlorophyll, which is the chemical that carries out photosynthesis. _________________________ What gas do plants give off? Using your straw, GENTLY push the Elodea to the bottom of the test tube. ________________________________________________________________________________________________________________________________________________________________________ ________________________________________________________________________________________________________________________________________________________________________ ____________________________________________________________________________________ Post-Lab Analysis: What color does the bromothymol blue solution turn after you exhale into it? Grade Level: ... She'll show off her science knowledge as she answers questions to complete the crossword puzzle. In this lab, you will investigate the process of photosynthesis. _H aH aH aH aH aH aH $ HJ R šL Ê …H b ™! Koz 2 BACKGROUND INFORMATION Photosynthesis is a complex series of reactions catalysed by a number of different enzymes. Consider these facts: - Elodea is green. ™! 2 years ago. That photosynthesis lab with elodea, does it have to be elodea or an aquatic plant or will any plant do? 3rd grade . Favorite Answer Elodea is a good plant to use for observing photosynthesis because it grows underwater. In our experiment with Elodea, what was our dependent variable. The plant can then be exposed to varying intensities and colors of light. It should turn greenish. In this experiment, we will be using the same plant you examined in Lab 3 called Elodea. Materials: Sprig of Elodea Distilled Water w /Baking Soda Test Tube or clear glass Timer or Watch 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 chemical reaction for photosynthesis Played 328 times. ________________________________________________________________________ _________________________________________________________________________________ What gas (or gases) can bromothymol blue serve as an indicator for? Worksheet. This lab involves the qualitative measurement of the changes in carbon dioxide concentration associated with respiration and photosynthesis in the freshwater plant Elodea. In doing so, oxygen is a product while carbon dioxide is a reactant that is used up during photosynthesis. K ô In a test tube, you will see that: bromothymol blue + CO2 = green color bromothymol blue + O2 = blue color Equation: Write the equation for photosynthesis. â _________________________ _________________________________________________________________________________ What gas do you exhale? Alternate content for browsers that do not support scripting // or for those that scripting... 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