Vaccine data CER analysis
Do now
Students will analyze vaccine and antibody data and write a CER about immunity.
- Hand in
- Written CER analyzing a vaccine antibody graph: claim about how vaccines build immunity, two specific data-point evidence entries, reasoning connecting memory B cells to protection, and one limitation.
- Where
- Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not.
You get two school days for every day you were absent, so this deadline moves with you.
Two peaks on a graph: a small first bump after the shot, then a taller, sharper spike after the booster. What is that second, bigger peak proving about your immune memory?
Students will analyze and data and write a CER about immunity.
- • CER includes claim, evidence, and reasoning.
- • Reasoning correctly explains immune memory.
- If a graph shows levels jumping higher and faster the second time, what does that tell you the body remembered?
- Name one reason a blood level might not tell the whole story about whether someone is still protected.
- 1Examine a graph of levels after vaccination.
- 2Make a claim about how vaccines build immunity.
- 3Cite two data points as evidence.
- 4Add reasoning connecting memory cells to protection.
- 5Note one limitation of the data.
What did this day actually feel like?
Vaccine data CER analysis
Antibody graph, and a CER about how vaccination produces protection without the illness.
My reasoning sentence actually explained the mechanism this time instead of restating the claim. Seventeen weeks to get that right.
Turned in: CER → Claim Evidence Reasoning folder
Fiction. There is no such student. The lessons, labs and dates are the real planned course; the student, the classmates and the conversations are invented.
The same day, drawn.
Antibody graph, and a CER about how vaccination produces protection without the illness.
Fiction. There is no such student. The lessons, labs and dates are the real planned course; the student, the classmates and the conversations are invented.
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🔑 Today's words · 5
Tap a word in the lesson for a plain meaning and one example. Recycled into next week's Do-Now.
Do the work · 80-minute blockfirst 5 min = hook▸
💡 Big idea: The taller, faster second peak appears because memory B cells recognize the instantly, so the graph is quantitative proof that vaccines build durable memory even as circulating antibodies wane.
- 0-10Distribute and orient the graph; label key features (peaks, doses, time axis)
- 10-25Guided annotation: mark primary response, secondary response, memory cell involvement
- 25-45Draft CER: claim about immunity, two data-point evidence entries, reasoning naming memory cells
- 45-58Add limitations section: at least one real limitation explained briefly
- 58-70: check that reasoning explicitly names memory cells and a mechanism
- 70-80Revise and submit CER
- • A trial produces exactly this kind of graph: levels over time after one or two doses.
- • Today you will read that graph as a scientist and translate it into a CER.
- • Connecting the peak level to memory-cell generation is the mechanistic reasoning that earns full marks.
- • You will also note a real limitation so your argument is scientifically honest.
- • A post-vaccination graph typically shows a primary peak followed by a higher, faster secondary peak after a booster or re-exposure.
- • Memory B cells are the cellular basis of long-term protection.
- • Limitations of data include waning immunity over time and individual variation in response.
Unit 3.2 Body Guards: Skin/accessory organs, lymphatic and immune systems, pathogens, immune cells, antigen response. · data CER analysis
Day 4 of this lesson. Open this exact section in myPLTW (find it in Clever, Microsoft sign-in), then do the work below.
Do this: Complete the or data-analysis prompt in Lesson 3.2 Body Guards on myPLTW; finish it before of your immunity CER.
Mark the analysis task complete in myPLTW after submitting your -data CER.
Modeling task is done; today the analysis task should show complete and your CER should be submitted.
Screenshot or note of completion status for your tracker.
The official PLTW activity stays inside myPLTW. If myPLTW will not open, use F1 and E1-E3 on this page to complete today's local evidence decision, then make up the official activity when access returns. Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not.
Check things off as you work, then submit. This tells Mr. Mendoza how you're doing so he can help the class. It does not replace turning in your producible through the submission route shown below.
Use the code Mr. Mendoza gave you, not your name. Saved on this device.
Unit 3.2 Body Guards: Skin/accessory organs, lymphatic and immune systems, pathogens, immune cells, antigen response. · Vaccine data CER analysis
Complete the or data-analysis prompt in Lesson 3.2 Body Guards on myPLTW; finish it before of your immunity CER.
Modeling task is done; today the analysis task should show complete and your CER should be submitted.
This is how Mr. Mendoza sees the class keeping pace with PLTW. Be honest, it only helps if it is accurate.
🎯 Students will analyze and data and write a CER about immunity.
- Examine a graph of levels after vaccination.
- Make a claim about how vaccines build immunity.
- Cite two data points as evidence.
- Add reasoning connecting memory cells to protection.
- Note one limitation of the data.
CER: Written CER analyzing a graph: claim about how vaccines build immunity, two specific data-point evidence entries, reasoning connecting memory B cells to protection, and one limitation.
Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not. Use the checklist just below and upload by 11:29 PM for full credit. Absent with an excused absence? You get two school days for every day you were absent, so this deadline moves with you.
| Task | Who |
|---|---|
| Examine a graph of levels after vaccination. | _______ |
| Make a claim about how vaccines build immunity. | _______ |
| Cite two data points as evidence. | _______ |
| Add reasoning connecting memory cells to protection. | _______ |
| Note one limitation of the data. | _______ |
Working solo? Put your own name in "Who" for every row.
- CER includes claim, evidence, and reasoning.
- Reasoning correctly explains immune memory.
- 1Do thisStudents will analyze vaccine and antibody data and write a CER about immunity.
- 2Use this resource
- 3Submit thisCER: Written CER analyzing a vaccine antibody graph: claim about how vaccines build immunity, two specific data-point evidence entries, reasoning connecting memory B cells to protection, and one limitation.
- 4Submit it here
- 1Open the drop folder.
- 2Sign in with your district Microsoft account, not a personal one.
- 3Upload the file, named Lastname_Firstname__Assignment Title.
- 4Your own upload panel says Uploaded with a green check: that is your receipt.
Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not. Human Anatomy & Physiology (Human Body Systems) › Unit 3.2 Body Guards: Skin/accessory organs, lymphatic and immune systems, pathogens, immune cells, antigen response. › CEROpen the drop folder
Learn it · deck, reading, and vocabulary▸
The deck carries the prior idea forward, lets you inspect an analogy, maps the rule to biology, and ends with the same evidence decision and exit ticket used on this page.
Generated from this lesson's canonical data with a red-team citation check.
An binds only the whose shape it matches, so vaccines can pre-load memory cells with the exact shape of a , which is why one exposure to a gives lasting, specific protection.
The taller, faster second peak appears because memory B cells recognize the instantly, so the graph is quantitative proof that vaccines build durable memory even as circulating antibodies wane.
A detective board holds observations, possible explanations, and one next question.
- Which notes are direct observations?
- Which notes are explanations?
- What new evidence would separate the explanations?
Keep observations separate from explanations, then collect the evidence that can distinguish the options.
Biomedical investigations use controlled procedures and validated measurements, not intuition alone.
- • Board notes map to E1-E3.
- • Possible explanations map to the decision options.
- • The next question maps to the evidence-based action.
Driving question: Two peaks on a graph: a small first bump after the shot, then a taller, sharper spike after the booster. What is that second, bigger peak proving about your immune memory?
What you already know: An binds only the whose shape it matches, so vaccines can pre-load memory cells with the exact shape of a , which is why one exposure to a gives lasting, specific protection.
New idea: The taller, faster second peak appears because memory B cells recognize the instantly, so the graph is quantitative proof that vaccines build durable memory even as circulating antibodies wane.
Visual or model: F1. F1. A lesson illustration or teaching diagram for Vaccine data CER analysis. Use it with E1-E3; it is a model or context image, not experimental or patient data. What to notice: Trace the labeled structure, movement, or system relationship that connects form to function.
- Observe or measure the relevant feature in data CER analysis.
- Organize the observation with a stable evidence ID.
- Apply this rule: Keep observations separate from explanations, then collect the evidence that can distinguish the options.
- Choose the option the evidence supports and state the limit of the conclusion.
Real biomedical example: Two peaks on a graph: a small first bump after the shot, then a taller, sharper spike after the booster. What is that second, bigger peak proving about your immune memory?
What the evidence supports: E1-E3 and F1 support the daily take-home when the response meets the stated success criteria.
What it cannot prove: The package does not support claims beyond this lesson's or any real patient diagnosis.
- • skin: The body's largest organ, a layered barrier that protects internal tissues, regulates temperature, and senses touch, pressure, and pain.
- • : A clear fluid that drains from body tissues into lymphatic vessels, carrying white blood cells and helping the body fight infection.
- • : A Y-shaped made by the immune system that binds to a specific foreign target, marking it for destruction or blocking its effect.
- • : A molecule, often on a germ's surface, that the immune system recognizes as foreign and responds to by making matching antibodies.
- • : A microorganism such as a bacterium, virus, fungus, or parasite that can cause disease in its host.
- • : A preparation that trains the immune system to recognize a specific , building protection so the body can fight it off faster later.
- • : The body's first, fast, general line of defense present from birth, including skin, mucus, and cells that attack any invader without prior exposure.
- • adaptive: Able to adjust to changing conditions, like the body shifting blood flow during exercise or the immune system tailoring a defense to a specific germ.
Use it now: Choose one decision option. Cite E1 and E3, then explain how the rule connects the evidence to your choice.
Go further, optional: The source links below are optional enrichment. Every fact required for today's local evidence decision appears in this lesson package.
A post-vaccination graph typically shows a primary peak followed by a higher, faster secondary peak after a booster or re-exposure.
Limit: E1 supplies context or an observation; it does not by itself establish the explanation.
The taller, faster second peak appears because memory B cells recognize the instantly, so the graph is quantitative proof that vaccines build durable memory even as circulating antibodies wane.
Limit: E2 is a teaching statement or comparison and must be checked against the task evidence.
CER includes claim, evidence, and reasoning.
Limit: E3 supports only the result or product criterion named here; it cannot justify a broader clinical or causal claim.
PLTW-HAP-2027-05-04 · Simulated classroom evidence scenario
Your role: anatomy and physiology consultant
Decision: Your team must decide what the evidence from data CER analysis supports before submitting the claim-evidence-reasoning response named on the lesson page.
- • Select the option best supported by E1-E3.
- • Select a reasonable alternative and name the evidence it would require.
- • Delay the claim because the evidence does not distinguish the options.
Response: State one choice, cite at least two evidence IDs, explain the rule that connects them, and add one limitation. Submit it as the claim-evidence-reasoning response.
Claim ceiling: The supplied lesson evidence can support an observation, pattern, classroom mechanism, or next-step decision about data CER analysis. It cannot by itself prove causation, establish a real clinical diagnosis, or justify action outside this classroom task.
Reason for review: Your team must decide what the evidence from data CER analysis supports before submitting the claim-evidence-reasoning response named on the lesson page.
Context: A rising and then higher, faster curve is the visible evidence of invisible memory cells at work, and reading that graph honestly means naming both what it proves (durable memory) and what it cannot show (how long protection lasts, or how one person will differ).
- • T1: Examine a graph of levels after vaccination.
- • T2: Make a claim about how vaccines build immunity.
- • T3: Cite two data points as evidence.
- • T4: Add reasoning connecting memory cells to protection.
- • T5: Note one limitation of the data.
- • E1: A post-vaccination graph typically shows a primary peak followed by a higher, faster secondary peak after a booster or re-exposure.
- • E2: The taller, faster second peak appears because memory B cells recognize the instantly, so the graph is quantitative proof that vaccines build durable memory even as circulating antibodies wane.
- • E3: CER includes claim, evidence, and reasoning.
Measurements: Use only the measurements, units, graph, or counts supplied in today's task. No additional patient measurement is implied.
Figure finding: Teaching diagram for data CER analysis. Trace the labeled structure, movement, or system relationship that connects form to function. This is a teaching model, not patient or experimental data.
Uncertainty: This is a composite classroom scenario. Missing history, measurements, or confirmation tests remain unknown and limit the conclusion.
= final volume / sample volume. New concentration = starting concentration / dilution factor.
Mix 1 mL of sample to a final volume of 10 mL. The is 10. A 100 mg/mL starting sample becomes 10 mg/mL.
Use the same volume units before dividing. Concentration keeps its original concentration unit.
Apply the same setup to one supplied dilution or dose. Show the factor, new value, units, and a reasonableness check.
Students often think Students often think a high level right after vaccination means you are protected for life.. The trap: That is the trap: levels wane over time, and the level varies from person to person. The durable protection comes from memory B cells, which can rebuild antibodies fast even after blood levels drop. Reading only the peak, and ignoring the waning and the individual variation, overstates what the data proves.
Parallel scenario (NOT today's prompt): A person once exposed to tuberculosis bacteria gets a Mantoux skin test. A tiny amount of TB protein is injected just under the skin, and 48 hours later a nurse measures the induration, the firm raised bump, in millimeters. A second person who has never been exposed to TB gets the same test. The results table shows: exposed person, 15 mm of induration; never-exposed person, 0 mm. Read the data and write a CER about immune memory.\n\nClaim: The skin-test data show that the previously exposed person carries lasting immune memory for the TB bacteria, while the never-exposed person does not.\n\nEvidence: At the same 48-hour reading, the exposed person developed 15 mm of induration at the injection site. The never-exposed person developed 0 mm of induration under identical test conditions.\n\nReasoning: The first exposure to TB caused the immune system to make memory T cells specific to that bacterium. When the test reintroduced the TB protein, those memory T cells recognized it and triggered a fast, localized response that pulled immune cells and fluid into the area, producing the firm 15 mm bump. The never-exposed person had no matching memory T cells, so nothing recognized the protein and no reaction formed, which is why the induration measured 0 mm. The difference in millimeters is the visible signature of cell-mediated immune memory: a measurable reaction means the body has met this antigen before.\n\nLimitation: A single induration measurement shows that memory exists, but it does not reveal how strong the protection is or how long it will last, and it cannot by itself distinguish past infection from a prior TB vaccine. Reactions can also vary from person to person, so one reading is not proof of full immunity.
This model shows the level of evidence and organization needed to complete: Models the immunity-analysis CER format on a different data set: a claim, two quantitative data points read from a table, cell-mediated memory reasoning, and one limitation of the data. Use it as a format-and-depth guide, then build your own CER from today's antibody graph.
- Write one defensible claim.
- Choose specific evidence that supports the claim.
- Explain the scientific rule that connects the evidence to the claim.
Keep the structure. Replace the question, facts, measurements, and evidence. Then recheck units, vocabulary, and whether the conclusion goes beyond the evidence.
Also due today: Submit your CER on the class site, or hand it to Mr. Mendoza in class.
- CER:
- Claim, Evidence, Reasoning: make a claim, back it with evidence, explain your reasoning.
- SOP:
- Standard Operating Procedure, the exact steps to follow (especially in a lab).
- Tracker:
- Your PLTW progress log where you record completed evidence.
- myPLTW:
- The PLTW course site where you do the online activities. Find it in Clever with your Microsoft sign-in, right next to Schoology.
Tap the speaker to hear a term. Add two of these to your notebook glossary with a definition and an example in your own words.
Pick just 2 or 3 words from today and make them yours: write what each one means in your own words, name the context clue or evidence that helped, then give one example from what you actually did in Vaccine data CER analysis. Try your own words first; the glossary is there if you get stuck. This is voluntary and counts as extra credit, so keep it short.
Saved on this device. Show Mr. Mendoza or add these to your notebook glossary to claim the extra credit.
Hand-picked readings, videos, and interactives for this lesson, all free and from authoritative open organizations (NIH, CDC, OpenStax, Khan Academy, PhET, HHMI, and more).
A fillable, Cornell-style notebook for Unit 3: Adventure Awaits. Type your notes, cues, and summaries right in the PDF, or print it and write by hand. Each lesson page has a cue column, a notes column, and a summary box, plus dated lab-record pages you can turn in.
HBS Unit 3 notebook: Adventure Awaits Fillable PDFCornell notes + lab recordsOpenVetted readings and references for this unit. Use them to prepare, to catch up if you were absent, or to go deeper on today's target.
Check yourself · commit, then reveal▸
Claim ceiling for this check: The supplied lesson evidence can support an observation, pattern, classroom mechanism, or next-step decision about data CER analysis. It cannot by itself prove causation, establish a real clinical diagnosis, or justify action outside this classroom task.
A graph shows antibody levels six months after vaccination have dropped noticeably. A student concludes the vaccine stopped working. Is that conclusion correct? Explain using memory cells.
Write an answer and pick a confidence to unlock the key.
Fast retrieval with instant answers, not the commit-then-reveal check above. Try each from memory first: write what you remember about the earlier units, then check yourself here.
Go further and get help▸
What today's skills lead to. These are real health-science careers this course builds toward. Tap one to see, on the US Department of Labor's O*NET site, what the job actually involves, what it pays, and how fast it is growing.
Today is individual work you can do from home: complete the same target above, then submit your CER.
Open the drop folderTurn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not.
Class still runs. Complete the online activity above (it's self-guided). Need the concept taught without a teacher? Use this authoritative explainer:
MedlinePlus: Immune System and DisordersYou've passed Unit 2, so the optional extra-credit track is open. Complete reserved-unit work from home, including virtual labs, for extra credit. Each item shows its correct submission route.
Open the extra-credit track- CompleteEvery required part of the artifact is present, nothing left blank.
- AccurateThe science and the data are correct and match the evidence.
- Scientific reasoningYou explain your claim with evidence and reasoning (CER), not just an answer.
- Professional communicationClear, organized, labeled, and written the way a clinician or scientist would.
- SubmittedTurned in the right way, on the class site or handed to Mr. Mendoza in class, and confirmed. Not in Schoology: that is where the report-card grade appears later.