Lab safety and SDS

Open your materials, follow the steps, then turn in your work.

Demonstrate safe lab conduct and read a Safety Data Sheet to identify hazards, PPE, and first-aid measures.

Before lab work: Read the safety rules below and wait for your teacher’s approval. You may read the directions while you wait.

1. Open your materials

Use the materials named in the first step below. Open lesson resources.

2. Start the work

Watch the lab-safety briefing and locate eyewash, shower, extinguisher, and SDS binder.

Show all 5 required steps
  1. Watch the lab-safety briefing and locate eyewash, shower, extinguisher, and SDS binder.
  2. Open one SDS and find Section 2 (hazards), Section 8 (PPE), and Section 4 (first aid).
  3. Match three common lab chemicals to their required PPE.
  4. Complete the safety/SDS practical checkpoint with the instructor.
  5. Submit your SDS reading worksheet with hazards and PPE identified.

Lost your place? If you lost your place, check your SDS work: do you have the hazard (Section 2), the PPE (Section 8), and the first aid (Section 4) for your chemical? Find the missing one.

Check your work before submitting

  • You can locate hazard, PPE, and first-aid information on any SDS.
  • You can select correct PPE for a given chemical.

Before lab work: read the safety rules

  • Wear the required PPE, keep the bench clear, handle equipment only as directed, and know where the eyewash, sink, and spill kit are before you start.
  • Human samples and data stay private: label with a code, never a name, and dispose of materials in the correct waste container, then wash your hands.

3. Turn in your work

DueCheck Schoology
Hand in
SDS reading worksheet identifying hazard class, required PPE, and first-aid measures for one assigned chemical.
How to submit and name your file

Use the submission route shown on today's today's page.

In Schoology, open your course and the assignment for this lesson. Attach your file, select Submit, and check that it appears in the submission.

PDF upload help

You get two school days for every day you were absent, so this deadline moves with you.

How this lesson connects

Keep using what you learned last class: Biomedical Innovations is a design-and-evidence course where every class period produces a documented artifact. Today: Reading and applying a Safety Data Sheet is a core lab-SOP skill that applies to every biomedical lab you will ever enter.

Optional: listen or watch a unit review
Optional unit study notebook
Lab safety, SDS reading, PPE, and keeping a proper science notebook.
Open the notebook
Optional review video
Audio overviewVideo overviewMind mapStudy guideFlashcardsQuizData table
Need help? Warm-up, timing, and directions

💡 Big idea: Reading and applying a Data Sheet is a core lab-SOP skill that applies to every biomedical lab you will ever enter.

  1. 0-10Lab- briefing: tour eyewash, shower, extinguisher, and SDS binder locations
  2. 10-30SDS deep-read: open one SDS, find Sections 2, 8, and 4, and annotate each
  3. 30-45PPE matching activity: pair three chemicals to their required PPE using SDS evidence
  4. 45-65 practical checkpoint: demonstrate PPE selection to instructor
  5. 65-75Complete and submit SDS reading worksheet
  6. 75-80Exit-ticket debrief: name one SDS section and what it tells you
Mr. Mendoza's 5-minute intro
  • Every professional lab starts with a briefing -- and so does every week in this course.
  • Today you will learn to read a Data Sheet, the document that tells you exactly how to handle any chemical safely.
  • You will also locate the eyewash station, shower, fire extinguisher, and SDS binder so you can act quickly in an emergency.
  • The WebXam 072125 emphasizes Laboratory Standard Operational Procedures, so today's skills appear directly on your summative exam.
Know by the end
  • How to locate hazard information, required PPE, and first-aid procedures in an SDS.
  • Which SDS sections correspond to hazards (Section 2), PPE (Section 8), and first aid (Section 4).
  • Where emergency equipment is located in this lab and how to use it.

PLTW connection and today's work

Open Problem 1 in your myPLTW course shell and locate the lab-safety and SDS resources in the current activity.

Today's stopping point: The launch-day login check is done; by end of today the lab-safety and SDS module should be marked complete.

PLTW activity titles identify the course connection. If your account will not open, use the posted materials for today and tell Mr. Mendoza. Do not mark an online activity complete unless you completed it.

Course connection

  • Problem 1, Lesson 1.1 Design of an Effective Emergency Room

The mapping has not been confirmed inside myPLTW.

Use the turn-in directions at the top of this page. Do not create a second submission unless your teacher asks for one.

Show another explanation or a smaller first step

Need help? Choose a starting point

Run the lab
Read the SDS for your chemical and record its hazards, PPE, and first-aid steps.
Missed class? Start here
Lost in the sections? Remember 2 hazards, 8 PPE, 4 first aid, and find each in order.

Finish the assigned lab safely before starting extra practice.

Lesson resources: reading, slides, and vocabulary
Socratic teaching slide deck

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.

Carry forward

Biomedical Innovations is a design-and-evidence course where every class period produces a documented artifact.

Daily take-home

Reading and applying a Data Sheet is a core lab-SOP skill that applies to every biomedical lab you will ever enter.

Inspect the analogy

A pilot uses a preflight checklist before the aircraft moves.

  1. Which checks happen before action?
  2. Which hazard does each check control?
  3. What happens if a familiar step is skipped?
Rule

A routine works when each action controls a named hazard before exposure begins.

Where it breaks

A laboratory hazard can change during a procedure, so students must keep monitoring conditions after the checklist.

Map the analogy to biology
  • Preflight checks map to PPE and setup.
  • Aircraft hazards map to chemical, biological, heat, or sharps hazards.
  • Go or no-go maps to the pre-lab readiness decision.
Read this first

Driving question: You start a job at a new lab tomorrow with chemicals you have never seen. What one skill lets you work safely on day one, without being told?

What you already know: Biomedical Innovations is a design-and-evidence course where every class period produces a documented artifact.

New idea: Reading and applying a Data Sheet is a core lab-SOP skill that applies to every biomedical lab you will ever enter.

Visual or model: F1. F1. A lesson illustration or teaching diagram for Lab safety and SDS. Use it with E1-E3; it is a model or context image, not experimental or patient data. What to notice: Trace the labeled system, test, or design relationship and identify which evidence should trigger revision.

  1. Observe or measure the relevant feature in today's lesson.
  2. Organize the observation with a stable evidence ID.
  3. Apply this rule: A routine works when each action controls a named hazard before exposure begins.
  4. Choose the option the evidence supports and state the limit of the conclusion.

Real biomedical example: You start a job at a new lab tomorrow with chemicals you have never seen. What one skill lets you work safely on day one, without being told?

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.

Vocabulary:
  • innovation: A new idea, method, or product that improves on what came before and creates real value for people.
  • : Sorting patients so that limited staff, time, and supplies do the most good. In everyday emergency care that usually means the most urgent first, but in a mass-casualty event it means treating those who benefit most, which is not always the most badly injured.
  • stakeholder: Any person or group affected by a project or decision, such as users, patients, families, or the team building a solution.
  • system: A set of parts that work together as a connected whole, where a change in one part can affect the others, such as an or a designed device.
  • : Practices and precautions that protect people from harm, such as wearing protective equipment and handling hazards correctly in a lab or clinic.

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.

Evidence set and decision
E1 · Source fact

Laboratory depends on matching each identified hazard to an appropriate containment practice, protective measure, and stop-work condition before the procedure begins.

Limit: The lesson check does not replace the site-specific SDS, approved procedure, teacher supervision, or emergency plan.

E2 · Teaching model

A routine works when each action controls a named hazard before exposure begins.

Limit: A laboratory hazard can change during a procedure, so students must keep monitoring conditions after the checklist.

E3 · Task criterion

You can locate hazard, PPE, and first-aid information on any SDS.

Limit: E3 defines the classroom product or success criterion. It is not independent scientific evidence and cannot justify a clinical or causal claim.

PLTW-BFH-2027-01-29 · Simulated classroom evidence scenario

Your role: biomedical design team member

Decision: Your team must decide what the evidence from today's lesson supports before submitting the pre-lab readiness record named on today's page.

  • Wait to start until you locate the SDS section that names the required PPE for this exact chemical.
  • Open the SDS and read hazards in Section 2, PPE in Section 8, first aid in Section 4.
  • Memorize the hazards for each chemical on today's bench so you can work safely without stopping to read.

Response: State one choice, cite at least two evidence IDs, explain the rule that connects them, and add one limitation. Submit it as the pre-lab readiness record.

Claim ceiling: Today's evidence supports a classroom claim about today's lesson. It cannot prove causation, diagnose a real patient, or justify action outside this room.

Composite case file · PLTW-BFH-2027-01-29

Reason for review: Your team must decide what the evidence from today's lesson supports before submitting the pre-lab readiness record named on today's page.

Context: Reading and applying a Data Sheet is a core lab-SOP skill that transfers to every lab, because knowing a chemical's hazards, PPE, and first aid keeps the work safe anywhere.

Timeline:
  • T1: Watch the lab- briefing and locate eyewash, shower, extinguisher, and SDS binder.
  • T2: Open one SDS and find Section 2 (hazards), Section 8 (PPE), and Section 4 (first aid).
  • T3: Match three common lab chemicals to their required PPE.
  • T4: Complete the /SDS practical checkpoint with the instructor.
  • T5: Submit your SDS reading worksheet with hazards and PPE identified.
Evidence records:
  • E1: Laboratory depends on matching each identified hazard to an appropriate containment practice, protective measure, and stop-work condition before the procedure begins.
  • E2: A routine works when each action controls a named hazard before exposure begins.
  • E3: You can locate hazard, PPE, and first-aid information on any SDS.

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 Lab and SDS. Trace the labeled system, test, or design relationship and identify which evidence should trigger revision. 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.

Watch the trap

Students often think you have to memorize the hazards of each chemical. The trap: you cannot memorize them all, so the transferable skill is reading the SDS: Section 2 hazards, Section 8 PPE, Section 4 first aid

Worked example · a parallel case (guides, does not reveal)
SDS reading worksheet
Completes: A completed worksheet showing you can pull hazard, PPE, and first-aid information off a Safety Data Sheet for an assigned chemical.

SDS reading worksheet (Sample chemical: bleach, sodium hypochlorite solution)

  • Section 2, Hazards: Causes skin irritation and serious eye irritation. Corrosive. Releases toxic chlorine gas if mixed with acids or ammonia.
  • Section 8, PPE and exposure controls: Wear splash goggles, nitrile gloves, and a lab apron. Use only with adequate ventilation.
  • Section 4, First aid: Eye contact, rinse at the eyewash for at least 15 minutes and seek help. Skin contact, wash with plenty of water. Inhalation, move to fresh air.
  • Emergency equipment I located in this lab: eyewash by the back sink, safety shower at the door, fire extinguisher by the exit, SDS binder on the shelf next to the prep bench.

Handling plan in one sentence: I will wear goggles, gloves, and an apron, keep bleach away from any acid or ammonia, and know the eyewash is at the back sink before I start.

Why this matters

This model shows the level of evidence and organization needed to complete: A completed worksheet showing you can pull hazard, PPE, and first-aid information off a Safety Data Sheet for an assigned chemical.

Build yours step by step
  1. Identify the purpose, hazards, and required controls.
  2. Write the procedure in a usable order.
  3. Confirm materials, measurements, and waste handling before starting.
Change it for a new task

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: Complete the safety and SDS practical checkpoint with the instructor, then submit the worksheet on Schoology by end of period.

See the full worked example
Portal terms
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.
This unit's vocabulary

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.

Build your vocabulary · optional, for extra credit

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 Lab safety and SDS. 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.

innovation
triage
stakeholder
system
safety

Saved on this device. Show Mr. Mendoza or add these to your notebook glossary to claim the extra credit.

Audio Resources

Play the cold open at the start of the unit to set the scene. Each recording is AI-generated and simulated (fictional callers, no real people or student data).

BI - Innovation Review Board welcomeProblem 1.1 Design of an Effective Emergency RoomBlock 1 cold open (Innovation Review Board)
Teacher-posted resources

Classroom documents for this lesson are posted in Schoology. Open Clever, then Schoology, and find each one by the name shown on its card.

Extension / challengeFor: Ready to go deeper
BI Capstone Project Outline: ER Design
worksheet/handoutPosted in Schoology
Open in Schoology

Use this after the required lesson work when you are ready for a harder application or a deeper connection.

Placement rationale

Matched BI launch and mission innovation by path:Biomedical-Innovations/00-Course-Planning; keywords:emergency room, design. Score 138. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).

Catch-up / reteachFor: Need extra support
BI Project 1.1.3 Emergency Room Design Assignment
worksheet/handoutPosted in Schoology
Open in Schoology

Use this if you were absent, got stuck, or need another pass before you submit the lesson artifact.

Placement rationale

Matched BI launch and mission innovation by path:Biomedical-Innovations/Problem-1_Emergency-Room/1.1_Emergency-Room; keywords:emergency room, design. Score 138. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).

Catch-up / reteachFor: Need extra support
PLTW BI Problem 1.1.4 Emergency Room Design Mission Checklist
worksheet/handoutPosted in Schoology
Open in Schoology

Use this if you were absent, got stuck, or need another pass before you submit the lesson artifact.

Placement rationale

Matched BI launch and mission innovation by path:Biomedical-Innovations/Problem-1_Emergency-Room/1.1_Emergency-Room; keywords:emergency room, design. Score 138. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).

Sign in to Clever with your district Microsoft account to open Schoology or myPLTW. Follow today's posted steps. If myPLTW will not open, use the posted alternative and tell Mr. Mendoza. Turn in your completed work through the Schoology assignment.

Practice: try a question, then check your answer

Claim ceiling for this check: Today's evidence supports a classroom claim about today's lesson. It cannot prove causation, diagnose a real patient, or justify action outside this room.

Quick self-check · commit, then reveal

Which three SDS sections would you use before working with an unfamiliar chemical, and what does each give you?

How sure are you?

Write an answer and pick a confidence to unlock the key.

Cumulative WebXam review · flash practice

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.

Tap an answer to check it · nothing is recorded or graded
[Review: Orientation: how we learn in Biomedical Innovations] What is the WebXam?
[Review: Orientation: how we learn in Biomedical Innovations] What is the WebXam?
After using a single-use scalpel in the laboratory, what should you do with it?
Missed class or ready for more?
🔬 Pre-lab simulation

Run this before you touch the bench. It is built from the real lab procedure, so the decisions you make here are the ones you will make with the equipment in your hands.

The Glove That Failed
Open the simulation →
Lab · prepare, conduct, complete
1Prepare
Pre-lab pass · clear all six to go to the bench
0/6

I can name the procedure's purpose and the evidence I will record. I can state today's specific hazards and the control for each. If this deck does not name them, I ask Mr. Mendoza before I touch anything. My data table is ready before materials are handled.

Finish the checklist before you handle any material.

Bring / set up
Safety gogglesNitrile glovesLab apron or coatEyewash stationChemical waste containerPrinted or digital Safety Data SheetBound design notebook
Safety · specific to today's hazards
  • Wear the required PPE, keep the bench clear, handle equipment only as directed, and know where the eyewash, sink, and spill kit are before you start.
  • Human samples and data stay private: label with a code, never a name, and dispose of materials in the correct waste container, then wash your hands.
Review Lab Safety (rules, PPE, SDS, emergencies) and check your contract + test
2Conduct (Argument-Driven Inquiry)
  1. 1Before materials are handled, identify the purpose, variables or comparison, controls, measurement units, and stop-work condition.
  2. 2Watch the lab-safety briefing and locate eyewash, shower, extinguisher, and SDS binder.
  3. 3Open one SDS and find Section 2 (hazards), Section 8 (PPE), and Section 4 (first aid).
  4. 4Match three common lab chemicals to their required PPE.
  5. 5Complete the safety/SDS practical checkpoint with the instructor.
  6. 6Submit your SDS reading worksheet with hazards and PPE identified.
  7. 7Record each result in the prepared table before interpreting it. Mark missing, repeated, or invalid results truthfully.
  8. 8Complete the named cleanup and waste route, remove PPE safely, wash hands when required, and confirm the station is ready for the next group.
Prepare this data table before materials are handled
Trial or sample IDIndependent conditionMeasured result with unitsObservation before interpretationQuality-control note
     
     
     
OSHA Hazard Communication Standard
3Complete
Argue from your evidence, then compare what you predicted to what happened. Error analysis names a specific method limit, never "human error".
You predicted

Before the procedure, predict the result and cite the rule behind the prediction.

What actually happened

After the procedure, compare the result with the prediction and name one limitation or source of uncertainty.

Your lab report is graded on the rubric below, with extra weight on error analysis and method.
Where this leads: careers
What to do if you were absent
Today was a lab: do this instead

Complete the SDS scenario: read a provided Data Sheet, identify the hazards, required PPE, and first-aid response, then write a short handling plan for that chemical.

OSHA Hazard Communication

Use the submission route shown on today's today's page.

If MR. MENDOZA is absent

Class still runs. Complete the online activity above (it's self-guided). Need the concept taught without a teacher? Use this authoritative explainer:

OSHA Hazard Communication Standard
How this is graded
For: Pre-lab: SDS reading worksheet identifying hazard class, required PPE, and first-aid measures for one assigned chemical.
  • Complete
    Every required part of the artifact is present, nothing left blank.
  • Accurate
    The science and the data are correct and match the evidence.
  • Scientific reasoning
    You explain your claim with evidence and reasoning (CER), not just an answer.
  • Professional communication
    Clear, organized, labeled, and written the way a clinician or scientist would.
  • Submitted
    Go to Schoology to turn this in. Submit one PDF. Put your first and last name in the document header. Name the file: FirstName LastName - Assignment Title - YYYY-MM-DD.pdf. If you cannot get in, see Mr. Mendoza. Do not skip the work.
  • Error analysis and method · counts double
    Name 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.