Microscopy image baseline
Safety gate · before any work
- All materials are image-based; no wet lab hazards today.
- Microscopy images are de-identified patient tissue samples; treat them as clinical data and do not photograph or share beyond the class.
- If using a light microscope to view prepared slides, follow school lab safety protocol: carry microscope with two hands, report broken slides to the teacher immediately.
Do now
Use cell and tissue images to establish a baseline for normal versus abnormal morphology and a diagnostic workflow.
- Hand in
- Two-column morphology comparison (benign vs. malignant), one-line metastasis explanation, and a three-step diagnostic workflow sketch.
- 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.
Given three unlabeled slides, one normal, one benign, and one with cells crossing the border, how do you decide which patient's is most likely to spread and kill?
Use cell and images to establish a baseline for normal versus abnormal morphology and a diagnostic .
- • You'll be able to tell normal from abnormal morphology.
- • You'll be able to outline a basic diagnostic .
- Draw two quick cell shapes: one that looks 'normal and organized' and one that looks '.' What is different?
- What do you think it means when a doctor says a is '' instead of 'benign'?
- 1Open the labeled microscopy images in the shell and identify normal first.
- 2Compare a benign and a sample, noting differences in cell size, shape, and arrangement.
- 3Mark one image showing and explain in one line how it differs from a local .
- 4Sketch the diagnostic from image to classification in three steps.
- 5Submit your morphology comparison and sketch as your daily evidence.
What did this day actually feel like?
Microscopy image baseline
LAB Establishing what normal tissue looks like before looking at anything abnormal. You cannot recognize disordered until you know ordered.
Normal cells sit in a pattern. That is the whole baseline.
Turned in: lab report → Lab Reports 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.
Establishing what normal tissue looks like before looking at anything abnormal. You cannot recognize disordered until you know ordered.
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.
🛠 Get unstuck · pick your level
Lab day: Tier 1 is the whole class at the bench. No extension today.
🔑 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: cells lose their normal shape and break through boundaries, so a pathologist can read invasion and disorganization on a slide to judge whether a can metastasize and how dangerous it is.
- 0-8Hook micrographs; establish normal as the baseline; review lab for image analysis
- 8-25Open labeled images; identify normal features; record cell size, shape, arrangement
- 25-45Compare benign vs. samples; record differences in two-column table
- 45-58Mark image; write one-line explanation of how it differs from local
- 58-72Sketch three-step diagnostic : image acquisition, classification, clinical report
- 72-80Submit morphology comparison and sketch; confirm break submissions complete
- • Hook: Show side-by-side micrographs of normal colon and colon adenocarcinoma; ask what differences students notice without being told which is which.
- • Why it matters: Pathologists read these images to classify tumors and guide treatment; the vocabulary you learn today is used in every diagnosis.
- • Today's work: You compare normal, benign, and images and build the three-step that connects the image to the clinical call.
- • Exit goal: Morphology comparison and sketch submitted before the bell.
- • Normal cells are uniform in size and shape and maintain orderly architecture; cells are pleomorphic with disorganized arrangement.
- • Benign tumors grow locally without invading surrounding ; tumors invade and can shed cells into the bloodstream or .
- • is the spread of cells from the primary site to a distant organ via blood or ; it is the leading cause of cancer mortality.
Cancer as loss of regulation; tumor types; diagnostic workflow. · Microscopy image baseline
Day 2 of this lesson. Open this exact section in myPLTW (find it in Clever, Microsoft sign-in), then do the work below.
Do this: Open Activity 3.1.3 Understanding in myPLTW and use the labeled microscopy images to compare normal, benign, and morphology.
Mark the microscopy image activity complete after your comparison and sketch are submitted.
Monday debate should be posted; morphology comparison and diagnostic due today before Thanksgiving break.
Two-column morphology comparison, explanation, and three-step diagnostic sketch submitted.
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.
Cancer as loss of regulation; tumor types; diagnostic workflow. · Microscopy image baseline
Open Activity 3.1.3 Understanding in myPLTW and use the labeled microscopy images to compare normal, benign, and morphology.
Monday debate should be posted; morphology comparison and diagnostic due today before Thanksgiving break.
This is how Mr. Mendoza sees the class keeping pace with PLTW. Be honest, it only helps if it is accurate.
🎯 Use cell and images to establish a baseline for normal versus abnormal morphology and a diagnostic .
- Open the labeled microscopy images in the shell and identify normal first.
- Compare a benign and a sample, noting differences in cell size, shape, and arrangement.
- Mark one image showing and explain in one line how it differs from a local .
- Sketch the diagnostic from image to classification in three steps.
- Submit your morphology comparison and sketch as your daily evidence.
Lab report: Two-column morphology comparison (benign vs. ), one-line explanation, and a three-step diagnostic sketch.
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 |
|---|---|
| Open the labeled microscopy images in the shell and identify normal first. | _______ |
| Compare a benign and a sample, noting differences in cell size, shape, and arrangement. | _______ |
| Mark one image showing and explain in one line how it differs from a local . | _______ |
| Sketch the diagnostic from image to classification in three steps. | _______ |
| Submit your morphology comparison and sketch as your daily evidence. | _______ |
Working solo? Put your own name in "Who" for every row.
- You'll be able to tell normal from abnormal morphology.
- You'll be able to outline a basic diagnostic .
- 1Do thisUse cell and tissue images to establish a baseline for normal versus abnormal morphology and a diagnostic workflow.
- 2Use this resource
- 3Submit thisLab report: Two-column morphology comparison (benign vs. malignant), one-line metastasis explanation, and a three-step diagnostic workflow sketch.
- 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. Genetics of Disease (Medical Interventions) › Cancer as loss of regulation; tumor types; diagnostic workflow. › Lab reportOpen 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.
Screening detects some cancers that would never cause harm, so more screening can increase overdiagnosis and unnecessary treatment even while it saves other lives, which means the benefit must always be weighed against the harm.
cells lose their normal shape and break through boundaries, so a pathologist can read invasion and disorganization on a slide to judge whether a can metastasize and how dangerous it is.
A smoke alarm detects signs of fire but can also react to burnt toast.
- What does the alarm detect?
- What creates a false alarm?
- What evidence is needed before declaring a fire?
A screening signal changes what to investigate next; it does not automatically prove the cause.
Biomedical tests have measured performance and biological sampling limits that a household alarm does not capture.
- • Alarm signal maps to a test result.
- • Burnt toast maps to a .
- • Inspection maps to confirmation or the next test.
Driving question: Given three unlabeled slides, one normal, one benign, and one with cells crossing the border, how do you decide which patient's is most likely to spread and kill?
What you already know: Screening detects some cancers that would never cause harm, so more screening can increase overdiagnosis and unnecessary treatment even while it saves other lives, which means the benefit must always be weighed against the harm.
New idea: cells lose their normal shape and break through boundaries, so a pathologist can read invasion and disorganization on a slide to judge whether a can metastasize and how dangerous it is.
Visual or model: F1. F1. A lesson illustration or teaching diagram for Microscopy image baseline. Use it with E1-E3; it is a model or context image, not experimental or patient data. What to notice: Trace the labeled testing, treatment, or biological process and identify where evidence limits the decision.
- Observe or measure the relevant feature in Microscopy image baseline.
- Organize the observation with a stable evidence ID.
- Apply this rule: A screening signal changes what to investigate next; it does not automatically prove the cause.
- Choose the option the evidence supports and state the limit of the conclusion.
Real biomedical example: Given three unlabeled slides, one normal, one benign, and one with cells crossing the border, how do you decide which patient's is most likely to spread and kill?
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.
- • : A group of diseases in which abnormal cells grow and divide uncontrollably, ignoring normal signals and sometimes spreading to other parts of the body.
- • : An abnormal mass of formed when cells grow and divide more than they should, which may be benign or .
- • benign: Not harmful or not cancerous; a benign stays in one place and does not spread, and a benign gene variant does not cause disease.
- • : Describing a that grows aggressively, invades nearby , and can spread to distant parts of the body, making it cancerous and dangerous.
- • : The spread of cells from the original through blood or to form new tumors in distant parts of the body.
- • : A mutated or overactive gene that drives uncontrolled cell growth and can turn a normal cell into a cell.
- • : A gene whose normally slows cell division or triggers cell death, so losing it can let cells grow uncontrolled into .
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.
Normal cells are uniform in size and shape and maintain orderly architecture; cells are pleomorphic with disorganized arrangement.
Limit: E1 supplies context or an observation; it does not by itself establish the explanation.
cells lose their normal shape and break through boundaries, so a pathologist can read invasion and disorganization on a slide to judge whether a can metastasize and how dangerous it is.
Limit: E2 is a teaching statement or comparison and must be checked against the task evidence.
You'll be able to tell normal from abnormal morphology.
Limit: E3 supports only the result or product criterion named here; it cannot justify a broader clinical or causal claim.
PLTW-GEND-2026-11-09 · Simulated classroom evidence scenario
Your role: medical interventions team member
Decision: Your team must decide what the evidence from Microscopy image baseline supports before submitting the lab report named on the lesson page.
- • Choose the strongest supported explanation.
- • Choose the next evidence to collect.
- • Hold the decision because the evidence is insufficient.
Response: State one choice, cite at least two evidence IDs, explain the rule that connects them, and add one limitation. Submit it as the lab report.
Claim ceiling: The supplied lesson evidence can support an observation, pattern, classroom mechanism, or next-step decision about Microscopy image baseline. 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 Microscopy image baseline supports before submitting the lab report named on the lesson page.
Context: A pathologist reads in the itself. Normal cells are uniform and orderly, and the more a sample loses that order and starts invading, the more dangerous the cancer is, which is why a slide can drive a diagnosis and a .
- • T1: Open the labeled microscopy images in the shell and identify normal first.
- • T2: Compare a benign and a sample, noting differences in cell size, shape, and arrangement.
- • T3: Mark one image showing and explain in one line how it differs from a local .
- • T4: Sketch the diagnostic from image to classification in three steps.
- • T5: Submit your morphology comparison and sketch as your daily evidence.
- • E1: Normal cells are uniform in size and shape and maintain orderly architecture; cells are pleomorphic with disorganized arrangement.
- • E2: cells lose their normal shape and break through boundaries, so a pathologist can read invasion and disorganization on a slide to judge whether a can metastasize and how dangerous it is.
- • E3: You'll be able to tell normal from abnormal morphology.
Measurements: No patient measurement is supplied unless it appears explicitly in E1-E3 or F1. Do not invent a value.
Figure finding: Teaching diagram for Microscopy image baseline. Trace the labeled testing, treatment, or biological process and identify where evidence limits the decision. 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.
Students often think Students think a is as soon as it grows, so any lump or growth must be dangerous and able to spread.. The trap: The trap is that benign tumors grow too, but they stay inside their boundary and do not invade or spread. What makes a is invasion: cells breaking out of the and traveling through blood or . Growth alone is not the danger, crossing the border is.
Morphology comparison (benign vs. malignant):
- Cell size and shape: benign cells are uniform and look alike; malignant cells are pleomorphic, meaning they vary in size and shape.
- Tissue arrangement: benign tissue keeps an orderly, organized structure; malignant tissue is disorganized and loses normal architecture.
- Boundaries: a benign tumor stays in one place with a clear edge; a malignant tumor pushes into and invades the surrounding tissue.
Metastasis (one line): The metastasis image differs from a local tumor because cancer cells have left the original site and traveled through blood or lymph to a distant organ, instead of staying put.
Diagnostic workflow (three steps):
1. Take a tissue sample (biopsy) and prepare it on a slide.
2. Examine the cells under the microscope for size, shape, and arrangement.
3. Classify the tumor as normal, benign, or malignant, and note any sign of invasion or spread.
| Feature | Benign tissue | Malignant tissue |
|---|---|---|
| Cell size and shape | Uniform, alike | Pleomorphic, varied |
| Arrangement | Orderly architecture | Disorganized |
| Boundary | Stays local, clear edge | Invades surrounding tissue |
This model shows the level of evidence and organization needed to complete: Completes the cancer-launch baseline task: a two-column comparison of benign versus malignant tissue morphology, a one-line metastasis explanation, and a three-step diagnostic workflow sketch.
- State the question and method.
- Present the observations and data with units.
- Explain the result, limitations, and next investigation.
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 morphology comparison and workflow sketch to the class site before end of block.
- 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 Microscopy image baseline. 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.
Classroom documents for this lesson are posted in Schoology. Open Clever, then Schoology, and find each one by the name shown on its card.
Open this when the class reaches this activity and use it to complete the required lesson artifact.
Placement rationale
Matched launch, , diagnosis by path:Medical-Interventions/Unit-3_How-to-Conquer-Cancer/3.1_Detecting-Cancer; keywords:cancer, , biopsy. Score 146. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).
Use this if you were absent, got stuck, or need another pass before you submit the lesson artifact.
Placement rationale
Matched launch, , diagnosis by path:Medical-Interventions/Unit-3_How-to-Conquer-Cancer/00_Unit-Overview; keywords:cancer, diagnosis, osteosarcoma. Score 142. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).
Use this if you were absent, got stuck, or need another pass before you submit the lesson artifact.
Placement rationale
Matched launch, , diagnosis by path:Medical-Interventions/Unit-3_How-to-Conquer-Cancer/3.1_Detecting-Cancer; keywords:cancer, osteosarcoma. Score 138. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).
How to get there: open Clever and sign in with your Microsoft (district) account. Both myPLTW and Schoology are in Clever. Do the activity in myPLTW. Turn the work in on this site or hand it to Mr. Mendoza, because that is the step that counts as submitted. Schoology only shows your report-card grade later.
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 Microscopy image baseline. It cannot by itself prove causation, establish a real clinical diagnosis, or justify action outside this classroom task.
You examine two tumor samples. Both are growing. In sample A the cells stay neatly inside the tissue boundary. In sample B the cells are pleomorphic and some have crossed into surrounding tissue. Which sample is malignant, and what single feature told you?
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▸
I can name the procedure's purpose and the evidence I will record. I can identify each named hazard and the control that reduces it: All materials are image-based; no wet lab hazards today. My data table is ready before materials are handled.
Finish the checklist before you handle any material.
- • All materials are image-based; no wet lab hazards today.
- • Microscopy images are de-identified patient tissue samples; treat them as clinical data and do not photograph or share beyond the class.
- • If using a light microscope to view prepared slides, follow school lab safety protocol: carry microscope with two hands, report broken slides to the teacher immediately.
- 1Before materials are handled, identify the purpose, variables or comparison, controls, measurement units, and stop-work condition.
- 2Open the labeled microscopy images in the shell and identify normal tissue first.
- 3Compare a benign and a malignant sample, noting differences in cell size, shape, and arrangement.
- 4Mark one image showing metastasis and explain in one line how it differs from a local tumor.
- 5Sketch the diagnostic workflow from image to tumor classification in three steps.
- 6Submit your morphology comparison and workflow sketch as your daily evidence.
- 7Record each result in the prepared table before interpreting it. Mark missing, repeated, or invalid results truthfully.
- 8Complete the named cleanup and waste route, remove PPE safely, wash hands when required, and confirm the station is ready for the next group.
| Trial or sample ID | Independent condition | Measured result with units | Observation before interpretation | Quality-control note |
|---|---|---|---|---|
Before the procedure, predict the result and cite the rule behind the prediction.
After the procedure, compare the result with the prediction and name one limitation or source of uncertainty.
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.
From home, work through the labeled morphology packet: compare normal, benign, and images, mark the example, and sketch the three-step diagnostic .
Labeled cancer morphology packet (PLTW course shell)Then submit your Lab report. 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.
Class still runs. Complete the online activity above (it's self-guided). Need the concept taught without a teacher? Use this authoritative explainer:
National Cancer Institute: What Is Cancer?You'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.
- Error analysis and method · counts doubleName a specific limit of the method and how it moved your result, and compare what you predicted to what happened. "Human error" does not count; say what about the procedure or instrument caused it.