Snail and elodea lab answers
[DOC File]www.wsfcs.k12.nc.us
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Purpose: After completing this lab, students will be able to recognize the relationship between the cellular processes of photosynthesis and respiration. Materials: 4 aquatic snails. 4 sprigs of Elodea. Bromothymol blue indicator solution. 8 jars with lids (~ 500 mL) Disposable pipette. Distilled water. Procedure:
[DOC File]Photosynthesis Lab - Elodea and Bromthymol Blue
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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. 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.
[DOCX File]Respiration and Photosynthesis
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1. First, if needed, add the Elodea plant piece and/or snail in the test tube. Then, carefully add the dilute BTB solution until it is about 3 inches from the top of the tube. Be sure that the Elodea plant and/or snail are submerged in the BTB solution. Gently put the test tube stopper on the test tube.
[DOC File]Carbon Transfer Through Snails and Elodea – Virtual Lab
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Control: Test tube with no snails and no Elodea plants. You will use 4 test tubes in this set up. Set up the test tubes in the following way: Test Tube 1: only Bromthymol Blue (BTB) Solution. Test Tube 2: 0 snails, 1 Elodea Plant. Test Tube 3: 1 snail, 1 Elodea Plant. Test Tube 4: 2 snails, 1 Elodea Plant. Place the test tube rack under the ...
[DOCX File]Carbon Transfer through Snails and Elodea – Virtual Lab
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Independent variable . Identify your independent variable. Decide which condition you will test:-the number of snails in a test tube (1 or 2)-the number of Elodea plants in a test tube (1 or 2)
[DOC File]Instruction Commentary Template
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[To investigate the real-world phenomenon of cellular respiration and photosynthesis, I divided students into lab groups of 4 to explore different organisms in different conditions. The “light” groups put together test tubes of only snails, only elodea, both snail and elodea, and a control with nothing.
[DOC File]SYSTEMS AND MODELS
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exchanges energy, but not matter. Closed systems do not naturally occur on Earth. (eg. Snail/Elodea lab) An . isolated system. exchanges neither energy nor matter. No such systems exist. STATE that most natural living systems are open systems. Two fundamental concepts in science are matter and energy. Energy is the ability to rearrange the ...
[DOC File]Carbon Transfer through Snails and Elodea – Virtual Lab
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Aug 06, 2012 · Follow the steps to the lab given on the screen. Hypothesis: If there is _____ (Elodea/snail) then it will release _____ (O2 / CO2 ) and the _____ (Elodea/snail) will take it in. Set up your experiment in the following manner: Dependent variable: Amount of carbon dioxide present. Operation Definition
[DOC File]Carbon Transfer Through Snails and Elodea – Virtual Lab
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Tube 4 (light): 1 snail, 1 elodea Tube 8 (dark): 1 snail, 1 elodea. Arrow forward to Step 3 to put 8 tubes in the test tube rack and add BTB solution to each. Arrow forward to Step 4 to add organisms to the tubes as above. Open the digital “Lab Notebook” to make your color predictions. Write them in the chart below.
[DOC File]Carbon Transfer Through Snails and Elodea – Virtual Lab
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3. Select the lab “Carbon Transfer through Snails and elodea” 4. This virtual lab will walk you through the steps of the experiment. Follow along with this worksheet and the website to complete it correctly. 5. Summarize the Problem and purpose of the experiment _____ _____ _____ 6. Close the “Problem” box, and begin to explore the lab. 7.
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