Y9 Science (Bio): Summative Criteria B/C assessment Factors affecting the rate of photosynthesis Name: …………………………………………………………………………………... Deadline: Tuesday October 18th 2022 Subject: Science Biology Key Concept: Systems Related Concepts: Energy, Transformation Unit Title: Photosynthesis Global Context and exploration: Explorations to develop Globalization and sustainability Urban planning, Strategy and infrastructure ATL skills: In order for students to discuss and analyze the various implications of using science and its application in solving a specific problem or issue, students must Collect and analyze data to identify solutions and make informed decisions. (ATL Category: Research skills, ATL Cluster -Information Literacy Skills) In order for students to analyze the information to make scientifically supported judgements by applying skills and knowledge in unfamiliar situations. (ATL: Thinking skills, ATL Cluster- Transfer Skill) Statement of Inquiry: Our dependence on a system consisting of multiple energy transformations that provide us with the resources to survive. Task: Criterion B and C: Design and analyze an experiment to determine the factors affecting the rate of photosynthesis and plant growth. Level achieved Criterion B Criterion C Teacher’s comment and Feedback Student’s comment /8 /8 Criterion B You will be assessed according to the following criterion: Achieveme nt level Level Descriptors Task Specific descriptors 0 The student does not reach a standard described by any of the descriptors given below. The student is able to: i. state a problem or question to be tested by a scientific investigation, with limited success ii. state a testable hypothesis iii. state the variables iv. design a method, with limited success The student is able to: i. state a problem or question to be tested by a scientific investigation ii. outline a testable hypothesis using scientific reasoning iii. outline how to manipulate the variables, and state how relevant data will be collected iv. design a safe method in which he or she selects materials and equipment. The student does not reach a standard described by any of the descriptors given below. 1-2 3-4 o The research question/problem is incomplete o The hypothesis is briefly stated. o The variables are partially stated o Few materials are listed and are not specific o The method is partially complete. It is likely to have errors due to inadequate planning. o There is no diagram of the experimental set up or the diagrams are lacking many details. o The research question/problem is stated but not fully developed o The hypothesis is complete but not fully developed o A brief account is given of how the variable is manipulated/changed o States how to measure the independent variable to collect relevant data. o Some of the materials are listed and are somewhat specific o The method is complete but with few errors that may affect the data collected o Method includes few safety precautions o There is a diagram of the experimental set up but the diagrams are incomplete. 5-6 7-8 The student is able to: i. outline a problem or question to be tested by a scientific investigation ii. outline and explain a testable hypothesis using scientific reasoning iii. outline how to manipulate the variables, and outline how sufficient, relevant data will be collected iv. design a complete and safe method in which he or she selects appropriate materials and equipment. o The research question/problem is fully developed o The hypothesis is complete and testable but lacks correct scientific reasoning o Details are given on how to manipulate the independent variable. o Dependent variable is correctly identified with an attempt to show how to measure it to collect sufficient data. o All of the materials are listed and are somewhat specific. o The method/procedure is complete and easy to follow. The steps are in the correct order and could easily be followed. o There is a diagram of the experimental set up. o Some safety precautions are stated in the design of the experiment The student is able to: o The research question/problem is fully developed with relevant scientific i. describe a problem or information question to be tested by a scientific investigation o The hypothesis is complete, fully developed with correct scientific ii. outline and explain a reasoning testable prediction using o Independent variable is correctly correct scientific reasoning identified with description of how it is iii. describe how to manipulate manipulated. the variables, and outline how o Dependent variable is correctly identified sufficient, relevant data will be with a description of how relevant and collected sufficient iv. design a logical, data is collected complete and safe method in which he or she selects o All of the materials are listed and are specific, including quantities and what they appropriate materials and are used for. equipment. o The method is complete, easy to follow and is logical. Someone else would have no problem with the lab because I described how to work with the variables and collect data. o There is a complete labeled diagram of the apparatus. It is detailed, neat, and easy to understand. Safety precautions are stated in the design of the experiment. Criterion C You will be assessed according to the following criterion: Achieve ment level 0 1-2 3-4 5-6 Level Descriptors Task Specific descriptors The student does not reach a standard described by any of the descriptors given below. The student is able to: i. collect and present data in numerical and/or visual forms ii. accurately interpret data iii. state the validity of a hypothesis with limited reference to a scientific investigation iv. state the validity of the method with limited reference to a scientific investigation v. state limited improvements or extensions to the method. The student does not reach a standard described by any of the descriptors given below. The student is able to: i. correctly collects and present data in numerical and/or visual forms ii. accurately interpret data and describe results iii. state the validity of a hypothesis based on the outcome of a scientific investigation iv. state the validity of the method based on the outcome of a scientific investigation v.state improvements or extensions to the method that would benefit the scientific investigation. The student is able to: i. Correctly collect, organize and present data in numerical and/or visual forms ii. Accurately interpret data and describe results using scientific reasoning o I have presented the data I collected in my experiments using tables but with limited success. Some data is missing or incorrect. o I have very poorly used knowledge and understanding of science to recognize patterns and draw conclusions from the data. o I have evaluated my hypothesis by stating if it has been supported or not with limited to no scientific reasoning. o I have evaluated my method by listing errors but it is incomplete and/or irrelevant. o I have stated how I suggest improvement to my procedures but it is incomplete and/or irrelevant. o There is no evidence of data usage in the supporting the conclusion. o I have recorded raw data with units but with some errors. o Collected data is somewhat relevant to the hypothesis. o I have presented the data I collected in my experiment using relevant screenshots/diagrams of observations but it is incomplete. o No or very brief explanations of results using scientific reasoning. o I have stated possible scientific errors. o I have identified limited weaknesses and limitations. o I have stated issues related to methods with no or very brief reasoning. o I have stated a few improvements to the method. o I have used very limited data to support conclusion or used data incorrectly to support conclusion. o Raw data is recorded appropriately with units o I have correctly organized the data I collected in my experiment using tables that include units in the proper place. My data is complete and reliable with a minimum of three replicates. o Relevant screenshots/diagrams. Minor errors regarding units/title/column headings. o I have correctly used knowledge and understanding of science to recognize patterns iii. Outline the validity of a hypothesis based on the outcome of a scientific investigation iv. Outline the validity of the method based on the outcome of a scientific investigation v.Outline improvements or extensions to the method that would benefit the scientific investigation. 7-8 The student is able to: i. Correctly collect, organize, transform and present data in numerical and/ or visual forms ii.Accurately interpret data and describe results using correct scientific reasoning iii.discuss the validity of a hypothesis based on the outcome of a scientific investigation iv. discuss the validity of the method based on the outcome of a scientific investigation v. describe improvements or extensions to the method that would benefit the scientific investigation. in my data and correctly drawn conclusion from my data and explained how and why the variables are related. o I have outlined my hypothesis. I have briefly used the data to state if my hypothesis is supported or not. o I have used scientific reasons and sources to explain my reasons with some success. o I have outlined my method and briefly considered the strengths and weaknesses of my procedures and lab work. o I have outlined how scientific errors may have affected the results. o I have outlined improvements to my methods. These suggestions are realistic and based on scientific reasoning and research. o o o o o o o Raw data is recorded appropriately with units I have correctly organized the data I collected in my experiment using tables that include units in the proper place. My data is complete and reliable. I have evaluated my hypothesis by considering more than 1 possibility. I have used the data to clearly state if my hypothesis is supported or not. I have used scientific reasons and sources to explain my reasons. I have evaluated my method by considering the strengths and several weaknesses of my procedures and lab work. I have discussed how scientific errors may have affected the results. I have described improvements to my methods. These suggestions are realistic and based on scientific reasoning and research. TASK : Design an experiment to test (one) factor that affects the rate of photosynthesis Task Overview: G: Your goal is to test one factor affecting the rate of photosynthesis R: You are an MYP3 student working in a biology lab. A: Your audience is your peers and teachers of the department. S: The situation is that you must submit the lab report (specific format) of your findings. P: You will design and evaluate your results and create a lab report in standard format. S: You will be assessed by how well you inquire and design the lab (Criterion B) and how you present your data and evaluate it. (Criterion C). Extras non-mandatory create a video showing your work Part 1 (Criterion B) You will be given 1 hour in class to write up your proposed experiment ● Your lab report should represent organization and neatness. Criterion B: ● Research Question ● Hypothesis ● Variables ● Materials ● Procedure ● Safety Criterion C: ● Data Table ● Processing questions ● Extension Be sure to include ● Heading ● Aim ● Independent variable ● Dependent variable ● Control variable ● Hypothesis ● Equipment ● Method ● Diagrams (as appropriate) Part 2 (Not assessed formally) You will then do the experiment in groups using the experiment devised by someone in the group or one made by the teacher. Part 3: (Criterion C) You will then write up the experiment (1hour in class) ● Results (Show your results in a clear manner: tabular?) ● Conclusion (Show you understand what has happened in the experiment. Relate it back to your hypothesis) ● Discussion (show all the results of you research at home) Criterion B 1. a) Explain the question to be tested. …………………………………………………………………………………………………… …………………………………………………………………………………………………… 2. Aim of the experiment: …………………………………………………………………………………………………… …………………………………………………………………………………………………… 3. Background knowledge/research/ observations I’ve already made about the topic. ………………………………………………………………..……………………………………………………………..... ................................................... ……………………………………………………………………...……………………………………………………..… ……………………………………………………………..………………………………………………………………..... .......................................................................................................... ……………………………………………………………………...………………………………………………………… …………………………………………. ………………………………………………………………..……………………………………………………………..... ................................................... ……………………………………………………………………...……………………………………………………..… ……………………………………………………………..………………………………………………………………..... .......................................................................................................... ……………………………………………………………………...………………………………………………………… …………………………………………. 4. Hypothesis: What do you think will happen in the experiment and Why? ………………………………………………………………..……………………………………………………………..... ................................................... ……………………………………………………………………...……………………………………………………..… ……………………………………………………………..………………………………………………………………..... .......................................................................................................... ……………………………………………………………………...………………………………………………………… …………………………………………. ………………………………………………………………..……………………………………………………………..... ................................................... ……………………………………………………………………...……………………………………………………..… ……………………………………………………………..………………………………………………………………..... .......................................................................................................... ……………………………………………………………………...………………………………………………………… …………………………………………. 5. Variables: Variable Independent (What are you going to change?) Dependent (What are you going to measure?) Controlled (What are you going to keep the same?) Units How? Why? (How are you going to change, measure and keep the same?) (Why are you going to change, measure or keep the same? 6. Design the method (your procedure): ● Materials: Name of material Amount ( size/number) Why? 7.Method: (how are you going to carry out the steps of the experiment) (In writing your method, make sure you mention what you will do with each of the variables listed in step 5!) ● .…………………………………………………………………………………………… ● .…………………………………………………………………………………………… ● .…………………………………………………………………………………………… ● .…………………………………………………………………………………………… ● …………………………………………………………………………………………… ● …………………………………………………………………………………………… ● …………………………………………………………………………………………… ● …………………………………………………………………………………………… ● …………………………………………………………………………………………… ● …………………………………………………………………………………………… ● …………………………………………………………………………………………… ● …………………………………………………………………………………………… What safety considerations, if any, might you need to make in doing this experiment? ………………………………………………………………..……………………………………………………………..... ................................................... ……………………………………………………………………...……………………………………………………..… ……………………………………………………………..………………………………………………………………..... .......................................................................................................... ……………………………………………………………………...………………………………………………………… …………………………………………. ………………………………………………………………..……………………………………………………………..... ................................................... ……………………………………………………………………...……………………………………………………..… ……………………………………………………………..………………………………………………………………..... .......................................................................................................... ……………………………………………………………………...………………………………………………………… …………………………………………. Criterion C 1. Results: 2. Presenting your data: Remember Dry Mix What variable from your experiment will appear on the x-axis? ………………………………………………………………………………………. What variable from your experiment will appear on the y-axis? ………………………………………………………………………………………. Draw a graph below that represents your results. 3. Interpret & Explain Results: Look at your results. Write down what have you noticed or observed? ………………………………………………………………..…………………………………………………………… ……………………………………………………………………...…………………………………………………….. Conclusion: Explain why this result happened? (You might have to do some scientific research for this step!) ………………………………………………………..…………………………………………………………………… ………………………………………………………………,.…………………………………………………………… Do your results match your hypothesis at the beginning or not? ………………………………………………………………..…………………………………………………………… ……………………………………………………………………...…………………………………………………….. Why? Give evidence based on your scientific knowledge. ………………………………………………………………..……………………………………………………………..... ................................................... ……………………………………………………………………...……………………………………………………..… ……………………………………………………………..………………………………………………………………..... .......................................................................................................... ……………………………………………………………………...………………………………………………………… …………………………………………. ………………………………………………………………..……………………………………………………………..... ................................................... ……………………………………………………………………...……………………………………………………..… ……………………………………………………………..………………………………………………………………..... .......................................................................................................... ……………………………………………………………………...………………………………………………………… …………………………………………. 4. Evaluate the method and Discuss improvements to the method: Method or step from the experiment List methods or steps from the experiment that did not work very well or that could have been sources of error in the experiment results. …………………………………………………………………………….………………………………………………… ………………………………………………………………………………………………………………………………… ………………………………………………………………………………………………………………………………… ………………………………………………………………………………………………………………………………… What safety measures did you take while doing this experiment? & Why? ………………………………………………………………………………………………………………………………… ………………………………………………………………………………………………………………………………… ………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………….. Weakness with the step Explain the problem with each method or step; in what way could the method or step cause errors or inaccurate results ………………………………………………………………..……………………………………………………………..... ................................................... ……………………………………………………………………...……………………………………………………..… ……………………………………………………………..………………………………………………………………..... .......................................................................................................... ……………………………………………………………………...………………………………………………………… …………………………………………. Suggestion for improvement Describe how you could do the method or step differently so that there could be no inaccurate results ………………………………………………………………..……………………………………………………………..... ................................................... ……………………………………………………………………...……………………………………………………..… ……………………………………………………………..………………………………………………………………..... .......................................................................................................... ……………………………………………………………………...………………………………………………………… …………………………………………. 5. Extension to the method: Now that you have finished your experiment and analyzed your results, what is a new or different idea or question you have about the topic? ………………………………………………………………..……………………………………………………………..... ................................................... ……………………………………………………………………...……………………………………………………..… ……………………………………………………………..………………………………………………………………..... .......................................................................................................... ……………………………………………………………………...………………………………………………………… …………………………………………. What can you change in your methods in order to test your new question or idea? ………………………………………………………………..……………………………………………………………..... ................................................... ……………………………………………………………………...……………………………………………………..… ……………………………………………………………..………………………………………………………………..... .......................................................................................................... ……………………………………………………………………...………………………………………………………… ………………………………………….