Conduct virtual experiments to determine factors that affect transpiration....


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Plant Transpiration
Unit VIII Assessment
If you have not already, you or someone you know will try to grow a variety of plants either inside your
house or outside in a garden. What type of soil do you need? How often should you water the plants?
Should you plant them in full sun? Why do some plants need less water and some more? These are
questions that many people have about plants. In this activity, you will have a chance to manipulate
different variables to see how much water some plants use and how much some lose through
1. Conduct virtual experiments to determine factors that affect transpiration.
2. Compare and contrast sustainable and unsustainable farming practices.
Computer with internet access
1. Go to:
2. Read the Purpose and Objectives.
3. Read and follow the information under Procedures and complete the lab for all 4 plants and all 3
4. Reset the lab and complete the lab for the next set of 4 plants and 3 variables.
5. Record your information in the Results Table provided on this sheet.
6. During and after the lab, answer the questions below.
7. Type all answers directly on the data sheet.
8. Select Save As, and use your last name and student ID as a file name.
9. Upload the data sheet as a.doc,.docx, or.rtf file when finished.
Questions 1 10 are short answer questions and should be answered in 2 to 3 words or 1 to 2 complete
sentences. Each question is worth 2 points for a total of 20 points.
1. What are the three different variables that you tested?
2. State your question.
3. State your hypothesis.
4. Describe the process of transpiration.
5. What environmental factors that you tested increased the rate of transpiration? Was the
rate of transpiration increased for all plants tested?
6. Did any of the environmental factors (heat, light, or wind) increase the transpiration rate
more than the others? Why?
7. Which species of plants that you tested had the highest transpiration rates? Why do you
think different species of plants transpire at different rates?
8. What is your conclusion?
9. Did your results support your hypothesis?
10. State another question about transpiration that you would like to have answered that you
did not answer in this lab.
Results Table 10 points
***You should include data for 8 different plants. Make sure you reset
the lab (upper right corner) to receive 4 more plants.***
Amount of water transpired after 1 hour (mL)
Question 11 is an extended response question and should be at least 200 words. Total: 20 points
11. You want to reduce the amount of money that you are spending at the grocery store. You and
your family decide to plant a small garden to provide a variety of foods. Since you completed the
activity above, you know that plants require certain nutrients in order to survive. Read the
information in the textbook concerning the future of agriculture (pages 586 592). What are some
methods that you would implement into your garden? What would you try to avoid? Make sure
you provide a detailed answer.


Solution ID:351138 | This paper was updated on 26-Nov-2015

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