gehsbeardsleyfall2017 project 2

Project by group gehsbeardsleyfall2017


Info

Explore Work on this next!
What do we know about plants from our experiences outside of school? What have we discovered in class and background research? What questions about plants interest us?
Research Question What do we want to test or study? How did we come up with the question(s). How does the question fit what we know about the topic?
Predictions What are the possible outcomes of our study given the variables we are working with? What is our explanation for why and how we think this will happen?
Experimental Design What is our plan? Be sure to include enough detail that another group can replicate our experiment. What variables will we test? What variables will we measure and observe? What variables will we keep constant? How will we record our data?
Conclusion What claim can we make from our experiment? What are possible explanations for our results? How do the data we collected and our reasoning with scientific ideas support our claim? What future experiments could be done to expand on the results of this experiment?
About this Project

This team consistently shared enthusiastic updates about the progress of their experiment and seemed to genuinely care about understanding the plant growth differences between their phyB mutant plants and control groups. In addition, they uploaded photos of their experiment on a nearly daily...

Updates

Get to know your team’s scientist mentor, who will encourage and guide you through the scientific process of discovery. The more you share your ideas and research info, the more your mentor can help. You may also hear from a scientist mentor liaison who will be helping all the teams in your class.
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Susan Mary Bush
said

Beautiful poster, team FISH! I hope you're all very proud of this work. Great job and Happy Thanksgiving!

Susan (Dr. Bush)

    Filip
    said

    Thank you!! We will present tomorrow!!

Filip
uploaded AP Seminar Official Poster.pdf in project files
Safa
said

Dr . Bush, I'm very upset that our experiment is coming to an end, first and foremost I would like to thank you for taking time out from work to help us and make our experiment be successful. You have helped us from the start not only did you help us by educating us about our plants but you also sent us  articles that would help us and you also responded very quickly which was very helpful! I'm sure our group (FISH) would've been totally misguided and upset when we came to see that our  Cotyledon variable was a bad decision. And without you we wouldn't have known what to do. Thank you so much for your help once again Dr.Bush! We'll make sure to upload a rough draft of our poster so that you can see our amazing work that you helped create! I hope you have happy holidays and an amazing rest of the year! 

    Susan Mary Bush
    said

    Hi Safa, 

    Don't cry! You'll enjoy your next project too I'm really happy that you all learned so much and I'm impressed that you're such terrific plant growers. I will be looking forward to seeing your amazing poster. What makes my job fun is you, asking questions and finding answers (and more questions) and drawing graphs and making posters! So keep up the good work. Happy Thanksgiving!

    Susan (Dr. Bush)

Itzel
said

Dr. Bush, as this project is comes to an end, I would like to thank you for helping us with our planting science experiment. In the times when we didn’t know what direction to go in, you were there to guide us. I am so grateful for all the information that you supplied, you made us think more in depth into the topic by telling us which questions to ask ourselves , like how you told us that the measurement of the plant color would be a great way to collect data on how the light has impacted the plants, which helped us so much into perfecting the experiment. You have encouraged us along the way which boosted our moral and motivating us to move forward. Again, thank you for all of the insight and providing us with your expertise within this field of science. Thank you for all of your work and for being such a great mentor through out this whole experiment. Happy Holidays :)

    Susan Mary Bush
    said

    Of course, Itzel! I'm happy I could help you with the project. You knew just what to do with all the information you were getting and questions that were coming your way - really nice work! Thanks for working so hard on this project. Great job! 

    Susan (Dr. Bush)

Filip
said

Dr. Bush, our project is coming to an end! :(( Before anything, I would like to thank you for welcoming me into this group after mine had fallen apart. The time that you had put in, to help us was just amazing and without it I know that we would be completely lost! From the beginning you help us by explaining more about our plants, sending over other articles that we had not yet seen or just stating what you had found. Making suggestions to our experimental design, that we ourselves had not thought of, helped us see things "outside the box". The communication that had in a large part had been me, on behalf of Team FISH, you had been very responsive and always responded within a 24 hour period, which in itself was very helpful!! Once again A BIG THANK YOU FOR ALL OF YOUR HARDWORK AND TIME PUT INTO THIS PROJECT!!! We will try to upload a rough draft of our poster, that will be presented on Tuesday. If we do not communicate again, have a happy holiday season with the upcoming holidays and a great 2018 year!

    Susan Mary Bush
    said

    Hi Filip, 

    I'm happy you found group FISH - without you they would just be ISH! But you all worked together very well (it seems to me) and I hope you're very proud of the project you put together! Beautiful graphs, beautiful plants, beautiful science. Great work! I'll be excited to see your poster of course. Happy Thanksgiving and good luck with the rest of your school year!

    Susan (Dr. Bush) 

Heba
said

Dr. Bush, as this project comes to a close, I would like to thank you for taking time to help us with our experiment. Without you, we would have been lost! Thank you for suggesting the statistical data as well as explaining our actual mutants to us. You also suggested experimenting with the ziplock bags (even though that did not entirely work out) and I really appreciate that you were thinking of ways on how to make this project better! Whenever you asked us questions, it encouraged us to think deeper into the study and we have you to thank for that! This project went by incredibly fast; it seems as if we just started last week! I'm glad we got you as our scientist mentor and I hope that you enjoyed this experiment as much as we did :)

    Susan Mary Bush
    said

    You're very welcome, Heba! I have definitely enjoyed working with you. I'm impressed by your hard work and scientific thinking and plant growing abilities! You all should be very proud of this project. Keep up the good work!

    Susan (Dr. Bush)

Susan Mary Bush
said

Nice updates to the conclusions, team. I like that you included your stats this time! 

If you were to add anything else, I would like to see you add WHY you found the results you did (with respect to white light, of course). Why is there a small p-value when considering the difference between Landsberg and phyA? Why were the phyB plants larger? Or less green? You've shared your statistics, but you can also interpret those stats - explain why. 

Really nice job!

Susan (Dr. Bush) 

Filip
uploaded AP Sem PS Conclusion.pdf in project files
Filip
said

Day 27 (11.14): We have been watering them and they are doing soooo well!!!!! 

Filip
uploaded EB497902-810A-4719-A8B2-F03CF099CFB0.jpeg, DCB8C5CC-6588-4452-9594-DC11954B68A8.jpeg in project files
Susan Mary Bush
said

Hi Team FISH, 

A shame that the far-red light plants died, but I really enjoyed your conclusions from the white light plants. And I think the idea of measuring leaf color is still the smartest :) 

Why do you think the phyB mutant plants grew the tallest? In your proposal, you said that phyB is involved in shade avoidance and is a mutation in a photoreceptor gene. Shade avoidance, as I think you know, is growing really tall to try to get out of the shade. You also told me that phyB is involved in de-etiolation, or when plants get enough light to turn green and grow normally. Does the phenotype of your mutant phyB plants make sense, given what phyB is normally doing? 

In your proposal, you mentioned plants growing "to their full potential." Do you think that the Landsberg plants or the phyB mutants grew best in the white light? Why? What does "best" even mean?? 

Thanks for sharing your conclusions! I'd love to hear about the stats if you do them. Great job!

Susan (Prof. Bush)

Heba
uploaded AP Sem PS Conclusion.pdf in project files
Susan Mary Bush
said

Excellent! Just what I wanted to hear. Let me know if you have questions about interpreting your stats, etc. Good luck!

Susan (Dr. Bush)

Filip
uploaded 8A89BE5C-BE0D-49D2-BBDD-D869945DD30C.jpeg and 2 more files in project files
Filip
said

Good afternoon Dr. Bush!!

Day 22 (11.09): We had watered all the plants! We will do both anova and t tests!

-FISH

Susan Mary Bush
said

Hi FISH - 

I love what you did with your line graphs! That shows a really nice trend. Are these averages that are plotted? 

I think it's cool that you can see that phyB mutants are taller and less green throughout most of their development. Is that what you predicted? Why would the phyB mutants have less chlorophyll, do you suppose? 

Last question - are you planning to do any statistics on your data? It would be possible to do t-tests or anovas on each day's data to find out whether the phyB plants are different from Landsberg. 

Great work, team! I'll look forward to reading some more of your data analysis and conclusions!

Susan (Dr. Bush)

Filip
said

Good evening!!

Day 21 (11.08): We are no longer gathering data :(( but we are still trying to keep the plants alive, and all of them are still thriving!! What we were trying to let you know that we had finished our final data along with line and bar graphs!!

Thank you, 

FISH (Filip, Itzel, Safa, Heba)

Filip
uploaded AP Seminar PS Lights Out Data.pdf in project files
Susan Mary Bush
said

Hi team,

Such excitement! Your plants are looking incredibly different at this point, aren't they! 

I think it's interesting that the phyB mutants are so tall, but you think they have fewer leaves, huh? It makes sense to me that if they only have so much energy, they have to choose: do we make stems or leaves? Seems like phyB chose stems, and phyA chose leaves. 

Now about your mutations: phyA-201 is a SNP mutation that causes a change from a glutamine to a STOP codon - likely a C->T change. If there's an early stop codon (it truncates about 200 amino acids early), then the phyA protein won't be able to completely do its job correctly (or at all). The phyA protein is a total of 1122 amino acids, and the mutation is at amino acid 980. 

The phyB-5 mutant is also a SNP mutation of G->A that changes a tryptophan amino acid (TGG) to a STOP codon (TAG or TGA). This mutation occurs at amino acid 522, out of 1172 amino acids. 

I got this information off the arabidopsis.org website: 

https://www.arabidopsis.org/servlets/TairObject?id=115308&type=polyallele and

https://www.arabidopsis.org/servlets/TairObject?id=115300&type=polyallele

Hope this helps, guys. Let me know how your data analysis and conclusions are going! I'm happy to give you some input :) 

Keep up the good work, 

Susan (Dr. Bush)

Filip
uploaded AC1EC570-2C09-4B77-88C9-A125927AC4EC.jpeg and 6 more files in project files
Filip
uploaded AP Seminar Landsberg Data.pdf and 2 more files in project files
Filip
said

Happy Monday!!

How was the extra hour of sleep?

Day 17 (11.04): Mrs. Beardsley watered all the plants before we had come in, found a new independent variable (flowers), far red in white lights for about five minutes (assuming they are dead anyway) but anyway added 400 mL of water.

Day 19 (11.06): Photographed all plants, white had all data recorded, along averages which had been added for all the other days that are found in the most recent data charts, there will be no more data taken until the end of the project but they still will be watered!

 

    Filip
    said

    PS: I would recommend looking at the Day 19 photos in Phy B-5, because they are doing so well, height wise but leave wise not as much!

Heba
said

Hello there!

Dr. Bush, we were wondering if you know the exact characteristics of our mutants, phyA-201 and phyB-5. We have tried looking everywhere for it but cannot find it. We know predicted results as well as the fact that they are photoreceptor genes. However, we do not know what the mutants lack/ have different than the wild type photoreceptor gene.

We were wondering if you could help us on this issue.

Thank you!

Filip
said

Happy Friday Eve!!

Day 16 (11.02): Today we had not done much, the thermometers were token out and the temperature in white light was 29.5 C and in far red it had been 27.5 C ( we thought it would be the other way around) and the far red we’re exposed to 25 minutes of white light.

PS: The question you had asked will be answered by one of the girls either later tonight or tomorrow! :))

Susan Mary Bush
said

Hey team, 

You have been crazy busy gathering data! Do you have any conclusions to draw from what you're seeing in the different light treatments? How is far-red light influencing the plants? I think I see genotypic differences in length/height - do you concur? 

Once you've identified some trends, do they support your hypothesis? Why or why not? I'll be excited to hear what you think is going on - how is light signaling influencing plant growth in these seedlings?? 

Good luck, 

Susan (Prof. Bush)

Filip
uploaded 1004E49E-FBCD-4666-B81E-5569086262AA.jpeg and 5 more files in project files
Filip
uploaded AP Seminar Landsberg Data.pdf and 2 more files in project files
Filip
said

Happy November!!

Day 15 (11.01): Far red had been watered with 1350 mL of water and then additionally with 250 mL to have over the course of the rest of the day and night, the container with Phy B-5 white had been watered with 400 mL, the container with the Landsberg and Phy A-201 had been watered with 800 mL of water, the far red had experienced a drought :(( and the plants seemed to go down, therefore there is no data for that in day 15, the water had been low for the ones in white light, there had been thermometers placed for the time of 24 hours because we want to see if the lights have different temperature and how that might affect evaporation levels!

Filip
uploaded AP Seminar Landsberg Data Day 15.pdf and 2 more files in project files
Filip
uploaded AP Seminar Phy B-5 Data Day 14.pdf in project files
Filip
uploaded AP Seminar Landsberg Data Day 14.pdf and 2 more files in project files
Filip
said

Happy Halloween!!

Day 14 (10.31): Phy B-5 white growth and color data was taken, Phy A-201 & Landsberg color was only taken, no far red light data was taken.

Filip
uploaded IMG_1800.JPG and 8 more files in project files
Filip
said

Good evening!!

Day 13(10.30): Far red had been relocated to a new more stable box, the top covers of the containers had been token off, all data was photographed, far red exposed to a minute of white light, and the Phy B-5 (white) there had been much visual growth from its last time its data was token (Day 11).

    Filip
    said

    PS: The awaited electronic data charts had been uploaded!! 

Filip
uploaded AP Seminar Landsberg Data.pdf and 2 more files in project files
Filip
said

Happy Sunday!!

Day 9(10.26): Photographed all data, Far red was watered with about 1350 mL of water and about 200 mL was later poured out, all the bags had been gotten rid from the experiment (data wise) and far red had been exposed to about four of white light.

Day 11(10.28): Photographed data, measured all 72 plants along with the color charts, all white light plants been watered with 500 mL of water, prepared new box for the ones in far red light, far red had been exposed to about 30 minutes of white light! 

PS: The charts in Day 11, each have their height written in centimeters and the numbers to their right are the number that comes from the color chart that had been uploaded a few days ago! :)

Filip
uploaded FF19695B-6EB6-4A59-8492-8344D28B3B89.jpeg and 10 more files in project files
Filip
uploaded C2861CF6-66E0-4216-856E-552EFDC39AB3.jpeg and 16 more files in project files
Itzel
said

We plan on analyzing the data by putting them into graphs or tables.

Susan Mary Bush
said

Hey team, 

In Connecticut we're having beautiful fall colors - I hope you're enjoying fall at GEHS!

How to get rid of the plants in the ziploc bags - a good question. Since they are carrying mutations, you're not really allowed to compost them (certainly not in a city compost or anything like that). If you have a little plot of dirt, even something outside your classroom window, I would suggest tossing the dirt and plants out there!

If you want to save the dirt, it becomes a little more challenging. You might want to open the bags with a scissors so you can expose the top of the soil and the seedlings. Then maybe using a fork, rake the seedlings out of the soil. You won't save all the dirt this way, but you will be able to save most of it, AND you'll be able to remove most of the seedlings this way. Toss the seedlings in the garbage, and next year's students can re-use the soil! 

I'm still waiting to hear more about how you'll analyze your amazing amounts of data! Good luck!

Susan (Dr. Bush)

    Filip
    said

    Dr. Bush, when I wrote that we want to get rid of them, as getting rid of them in our experiment, and not disposing them. I'm sorry for the confusion, but we would like to know your thoughts on that. 

Filip
uploaded E6F0A38E-C7A6-4A02-B5D0-DC84CAB2929F.jpeg and 5 more files in project files
Filip
said

Day 7(10.24): The only data that had been token was photo, no written data, red had been exposed to white light for about two minutes, the Phy B-5 lid had been a little open, no more than 24 hours but I don't know why it had been open, the lights had gone out for about ten seconds. 

PS: We would like to ask you on your thoughts on getting rid of the plants of in the ziplog bags, for both the white and red lights.

    Filip
    said

    Also, the Day 7 photo data is up

Filip
said

Happy Monday! I hope you enjoyed your weekend!

Day 4 (10.21): All trays had been watered (eyeballed amount) for only the ones in the containers and not the ones in the ziplogs, the bags had been covered, lot of growth over the 24 hour period, far red had been exposed to white lights for five minute, there had been growth in the white light ziplogs, the data for both white and red had been filled out. 

Day 6 (10.23): There had been data token for those in white light in the containers, no other data was token :(, as seen in previous pictures some of them have a tooth pick white its name; this had lead to having some fungus ("white fuzz") to start forming around it in the Lansbergs white (pod numbers 8-12) and Lansbergs red (6-12), the ziplogs in red had been exposed to about fifteen seconds of white light and the container ones had been exposed between five to ten minutes, for phy-A (pod numbers 5-8) had been really dry (why, we don't know?) so we poured some water on top to give it some moisture, we also have a data chart of how green the hypocotyls and leaves are (a chart will be found in the Data Photos 6). 

PS: We had reorganized the files and Data Photos are only for Day 2, and for the rest of days they will be under their given name. We had also made an electronic data spreadsheet that we will probably share weekly (unless you would like to see it more often). Also, if there is something that you think we are missing or don't know what we did exactly please let us know!

    Susan Mary Bush
    said

    Hi team, 

    I LOVE this greeniness chart! What a cool idea. Will you continue to collect the cotyledon color data, along with the hypocotyl length data? I think that's super cool. (I might steal it from you for my students to use in lab!)

    You are really gathering a lot of information by measuring daily and now adding the color data. Your new organization of the photos and data online here is terrific! I think it's a great idea for you to plan out two things: 

    1) What will you do with the data you're collecting? How will you graph or visualize the data? Or analyze it using statistics? A common way to look at the data is to find the average (or mean). Since you have many data points for each group, you can find the average and a standard deviation on Day 6 for each group, then draw a bar graph with height/length on the Y-axis. You could make it more complex and make a line graph, with one line for each treatment - then you could have many days along the X-axis with length/height on the Y. 

    2) How will you know when your experiment is done? How many days will you be collecting data? Even if you're not done with the experiment, you can practice your data analysis with the great data you've already gathered!

    Good luck, team - let me know if you have questions about how you can wrangle all this data!

    Susan (Dr. Bush)

    Filip
    said

    Dr. Bush, yes we will continue collecting the cotyledon colors as well as the length of the hypocotyls. For the two question we will have a response tomorrow after we discuss about it in class! :)

Filip
uploaded 0F1D01C4-DCB2-4D30-B44B-C83DB8E1DA3E.jpeg in project files
Susan Mary Bush
said

Hi scientists, 

This is the way all projects go - something always happens to mix things up. I'm glad you figured out the light was off (and turned it on again!). 

Your data sheets are really nice - you've definitely seen growth (by eye and by numbers), so that's exciting! How are you planning to analyze all this data you're collecting? 

Keep up the good work, 

Susan (Dr. Bush)

Filip
uploaded 3C0039F3-8A49-4ED5-89A1-590CAD48FF2D.jpeg and 18 more files in project files

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