Guiding Question: Does the number of peas in a pod affect its length?
Hypothesis:
Looking at the guiding question from a logical point of view, I believe that the larger the number of peas is, the longer the pod will be. However, I am not yet sure why there is a variation in the number of peas in pods. It could be that certain types of peas need to have more peas in a pod, because of the difficult circumstances in the habitat. If the habitat/environment is very difficult for the species to survive in, the plant would probably need much more seeds to reproduce, because not all of them would necessarily be able to grow. However, a reason for different numbers of peas in pods could be as simple as a genetic mutation. Just like there is a genetic difference between pods with wrinkled and smooth peas, there could be a genetic trait that determines whether the pod will have more or less peas.
Variables:
My controlled variable is the unit of measurement (centimeters) that I will be using on all the pea pods. My manipulated variable are the pea pods. I will be measuring different pea pods, to determine their different lengths. Finally, my responding variable is the number of peas in pods. Based on the changes in the pods’ length, the number of peas will also change.
Exploration:
For this lab, I didn’t use very many materials, because the tests were very simple. I basically only used a ruler and different pea pods. I examined them, measured them in centimeters, and then counted the peas in the pods. I also recorded all of my findings, as well as the different interesting observations that I came across.
Record and Analyze:
-TABLE:
Length (cm) Number of peas
-GRAPHS:
Data Analysis:
From all of the data that I have collected, I have noticed a few things that I didn't expect at the beginning of the lab. For example, in the pods that were not that long, the peas inside were of much smaller size, when compared to the peas in the pods that were longer. I wasn't really counting on that when I first set up the experiment.
I was also extremely surprised with the fact that there wasn't very much variety in the actual length of the pods. Looking at the results that I have gathered, I can see that there wasn't a single pod that I measured, that was smaller then six or larger then nine centimeters. This is a very small difference, only three centimeters. I was expecting the variety to be much larger.
The results were also really unexpected for the number of peas inside the pods, as well. As I said above, some of the peas were much smaller in size then others, which, previously, I didn't think about at all. It was also quite strange to find that in certain situations, the peas didn't fill up the entire pod. This left me wondering why this could have occured. Maybe, the certain pea plant that the pod was taken from didn't have enough nutrition to produce enough peas. This could have meant the lack of sun or water. However, it could be that some pods are not completely filled with peas because of certain genetic mutations, that cause the pea plants to produce a lack of peas. However, overall, despite the fact that I didn't really measure the diameter of the peas, I can see from the results in the table that I have obtained, that most peas take up on centimeter of the pod's length.
Conclusion:
From the graphs, the tables, as well the data analysis, I can see that the length of the pods does affect the number of peas that are inside it, but only to a certain extent. Some peas adapt to the smaller size of the pod, and they, thus, grow to be smaller. That is why, in some cases, there can be the same number of peas in two different-sized pods. I have also learned that, when it comes to peas, there isn't a very big variety in pod length. The biggest length difference between the pods was three centimeters, which was quite surprising for me.
Further Inquiry:
Evulating this lab, I do believe that I conducted everything well, and i do not believe that there was much room for error, due to the fact that the actual conducting and gaining results was fairly simple. I did measure the pods as accurately as I could, and it was extremely easy to count the peas inside. If I was to do this lab again, I do think there are a few things that I could potentially improve on. I would deffinitely extend this lab a little bit more, if I was to do it again. This means that I would probably add another component to the examination of the pea pods. For example, I would not only measure the length, but I would also weigh all the pods, before counting how many peas were inside. If I were to conduct a lab, or do a research report, after this lab, I would probably try to find the reason why peas are of different sizes. Is the reason genetical, or is it just simpley environmental (lack of nutrition, etc)...?
Hypothesis:
Looking at the guiding question from a logical point of view, I believe that the larger the number of peas is, the longer the pod will be. However, I am not yet sure why there is a variation in the number of peas in pods. It could be that certain types of peas need to have more peas in a pod, because of the difficult circumstances in the habitat. If the habitat/environment is very difficult for the species to survive in, the plant would probably need much more seeds to reproduce, because not all of them would necessarily be able to grow. However, a reason for different numbers of peas in pods could be as simple as a genetic mutation. Just like there is a genetic difference between pods with wrinkled and smooth peas, there could be a genetic trait that determines whether the pod will have more or less peas.
Variables:
My controlled variable is the unit of measurement (centimeters) that I will be using on all the pea pods. My manipulated variable are the pea pods. I will be measuring different pea pods, to determine their different lengths. Finally, my responding variable is the number of peas in pods. Based on the changes in the pods’ length, the number of peas will also change.
Exploration:
For this lab, I didn’t use very many materials, because the tests were very simple. I basically only used a ruler and different pea pods. I examined them, measured them in centimeters, and then counted the peas in the pods. I also recorded all of my findings, as well as the different interesting observations that I came across.
Record and Analyze:
-TABLE:
Length (cm) Number of peas
8
|
7
|
7
|
6
|
8
|
7
|
7
|
8
|
7.5
|
6
|
9
|
9
|
7
|
5
|
8
|
8
|
7
|
6
|
7.5
|
7
|
6.5
|
7
|
7
|
8
|
6.8
|
7
|
7.8
|
6
|
9
|
9
|
7.6
|
7
|
8
|
7
|
8
|
6
|
7.5
|
6
|
7.5
|
8
|
-GRAPHS:
From all of the data that I have collected, I have noticed a few things that I didn't expect at the beginning of the lab. For example, in the pods that were not that long, the peas inside were of much smaller size, when compared to the peas in the pods that were longer. I wasn't really counting on that when I first set up the experiment.
I was also extremely surprised with the fact that there wasn't very much variety in the actual length of the pods. Looking at the results that I have gathered, I can see that there wasn't a single pod that I measured, that was smaller then six or larger then nine centimeters. This is a very small difference, only three centimeters. I was expecting the variety to be much larger.
The results were also really unexpected for the number of peas inside the pods, as well. As I said above, some of the peas were much smaller in size then others, which, previously, I didn't think about at all. It was also quite strange to find that in certain situations, the peas didn't fill up the entire pod. This left me wondering why this could have occured. Maybe, the certain pea plant that the pod was taken from didn't have enough nutrition to produce enough peas. This could have meant the lack of sun or water. However, it could be that some pods are not completely filled with peas because of certain genetic mutations, that cause the pea plants to produce a lack of peas. However, overall, despite the fact that I didn't really measure the diameter of the peas, I can see from the results in the table that I have obtained, that most peas take up on centimeter of the pod's length.
Conclusion:
From the graphs, the tables, as well the data analysis, I can see that the length of the pods does affect the number of peas that are inside it, but only to a certain extent. Some peas adapt to the smaller size of the pod, and they, thus, grow to be smaller. That is why, in some cases, there can be the same number of peas in two different-sized pods. I have also learned that, when it comes to peas, there isn't a very big variety in pod length. The biggest length difference between the pods was three centimeters, which was quite surprising for me.
Further Inquiry:
Evulating this lab, I do believe that I conducted everything well, and i do not believe that there was much room for error, due to the fact that the actual conducting and gaining results was fairly simple. I did measure the pods as accurately as I could, and it was extremely easy to count the peas inside. If I was to do this lab again, I do think there are a few things that I could potentially improve on. I would deffinitely extend this lab a little bit more, if I was to do it again. This means that I would probably add another component to the examination of the pea pods. For example, I would not only measure the length, but I would also weigh all the pods, before counting how many peas were inside. If I were to conduct a lab, or do a research report, after this lab, I would probably try to find the reason why peas are of different sizes. Is the reason genetical, or is it just simpley environmental (lack of nutrition, etc)...?
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