Lab safety and SDS practical
Safety gate · before any work
- Put gloves on before you touch anything wet or biological. To take them off, peel each one inside-out so the outside never touches your skin, then wash your hands.
- Find the eyewash and the clear path to it now, before any chemical is ever open. You should be able to reach it with your eyes closed.
- No open flames or chemicals during the safety practice day.
Do now
Practice the safety rules and learn to read a Safety Data Sheet so you can work safely with lab materials all year.
- Hand in
- Name two safety rules and locate one piece of emergency equipment from memory; written on an index card or typed.
- 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.
A chemical just splashed toward a lab tech's eyes. In the ten seconds that matter, what did they already have to know, and where did they learn it?
Practice the rules and learn to read a Safety Data Sheet so you can work safely with lab materials all year.
- • You will be able to locate and explain the use of key lab equipment.
- • You will be able to find hazard and first-aid information on a Data Sheet.
- • You will be able to put on and remove gloves and goggles safely.
- If a chemical splashed in your eyes right now, where would you go? Can you picture the path?
- Name one piece of PPE and say what it protects.
- 1Walk the room and locate the eyewash, fire blanket, sharps container, and chemical spill kit; sketch a quick map.
- 2Put on goggles and gloves correctly, then practice the safe way to remove gloves without touching the outside.
- 3Open a provided Data Sheet and find Section 2 (hazards) and Section 4 (first aid) for one chemical.
- 4Write what to do if that chemical splashes in your eyes, using the SDS first-aid section as your source.
- 5Practice one emergency drill (eyewash walk-through) so you know the path without looking.
- 6Sign the contract only after you can explain two rules and where one piece of safety gear lives.
What did this day actually feel like?
Lab safety and SDS practical
Straight into safety. Personal protective equipment, then the Safety Data Sheet, and we had to find the hazard and first aid sections on a real chemical before we were allowed near anything.
He framed it as earning entry to the lab rather than a rule to obey, which landed better than I expected.
Turned in: exit ticket → Exit Tickets 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.
Straight into safety. Personal protective equipment, then the Safety Data Sheet, and we had to find the hazard and first aid sections on a real chemical before we were allowed near anything.
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.
What counts as evidence, and where to find it
What makes evidence strong, and where do you find evidence you can trust?
Evidence is the data and observations you use to back up a claim. In science that means measurements, experimental results, images, and records, not “my friend said” or “I saw it once.”
Strong evidence is relevant (it actually bears on the claim), sufficient (there is enough of it), and reliable (it was collected carefully and others could repeat it). One data point is rarely enough; a pattern across many is far stronger.
Where you find it matters. Prefer primary sources and reputable ones: peer-reviewed studies, government and health agencies (CDC, NIH, NHGRI), and your own lab data. When you find a source online, do not trust it on looks. Check who is behind it and what better sources say.
- • Relevant: it directly supports (or tests) the claim.
- • Sufficient: there is enough of it, not a single lucky data point.
- • Reliable: collected carefully, and others could reproduce it.
- • Sourced: you can say where it came from and why that source is trustworthy.
- • Stop. Investigate the source: who made this and why?
- • Find better coverage: what do other reputable sources say?
- • Trace claims and quotes back to the original.
Find two pieces of evidence for a claim in this unit, one from your lab/class data and one from a reputable source. Note why each source can be trusted.
Do the work · 80-minute blockfirst 5 min = hook▸
💡 Big idea: works because you find the equipment and read the hazards before an accident, so that in an emergency you act instead of read.
- 0-10 minRoom walk: locate eyewash, fire blanket, sharps container, spill kit, and two exits
- 10-25 minPPE practice: don goggles and gloves, then practice glove removal without touching the outer surface
- 25-45 minSDS deep-dive: read Section 2 (hazards) and Section 4 (first aid) for one assigned chemical; answer written questions
- 45-60 minEmergency drill: walk the eyewash route at normal pace, then eyes-closed; sketch the room layout
- 60-72 minPartner quiz: one partner describes a hazard scenario, the other states the correct SDS first-aid response
- 72-80 min contract sign-off and exit-ticket: two rules + one equipment location from memory
- • Before any investigation happens, the lab has to be a place where no one gets hurt.
- • OSHA requires workplaces to follow Hazard Communication standards; this classroom is your first real lab workplace.
- • Today you will walk every emergency exit and piece of gear before touching anything.
- • Exit goal: you can point to the eyewash with your eyes closed and explain one SDS section from memory.
- • A Data Sheet has 16 sections; Section 2 lists hazards and Section 4 gives first-aid steps.
- • Goggles and gloves must go on before you open any chemical and come off using the inside-out technique.
- • Knowing emergency equipment locations before an accident happens is the first rule of lab .
Course launch, safety, Smith family case, intervention categories, and the daily submission routine. · Lab and SDS practical
Day 1 of this lesson. Open this exact section in myPLTW (find it in Clever, Microsoft sign-in), then do the work below.
Do this: Open the Lab module in myPLTW, specifically Activity 1.1.1 Intervention Inventory safety section, and review the safety contract requirements.
Sign the digital acknowledgment in the course shell after completing the room walkthrough.
No prior PLTW activity completed yet; contract due today, end of class.
Signed contract visible in the course shell.
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.
Course launch, safety, Smith family case, intervention categories, and the daily submission routine. · Lab safety and SDS practical
Open the Lab module in myPLTW, specifically Activity 1.1.1 Intervention Inventory safety section, and review the safety contract requirements.
No prior PLTW activity completed yet; contract due today, end of class.
This is how Mr. Mendoza sees the class keeping pace with PLTW. Be honest, it only helps if it is accurate.
🎯 Practice the rules and learn to read a Safety Data Sheet so you can work safely with lab materials all year.
- Walk the room and locate the eyewash, fire blanket, sharps container, and chemical spill kit; sketch a quick map.
- Put on goggles and gloves correctly, then practice the safe way to remove gloves without touching the outside.
- Open a provided Data Sheet and find Section 2 (hazards) and Section 4 (first aid) for one chemical.
- Write what to do if that chemical splashes in your eyes, using the SDS first-aid section as your source.
- Practice one emergency drill (eyewash walk-through) so you know the path without looking.
- Sign the contract only after you can explain two rules and where one piece of safety gear lives.
Exit ticket: Name two rules and locate one piece of emergency equipment from memory; written on an index card or typed.
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 |
|---|---|
| Walk the room and locate the eyewash, fire blanket, sharps container, and chemical spill kit; sketch a quick map. | _______ |
| Put on goggles and gloves correctly, then practice the safe way to remove gloves without touching the outside. | _______ |
| Open a provided Data Sheet and find Section 2 (hazards) and Section 4 (first aid) for one chemical. | _______ |
| Write what to do if that chemical splashes in your eyes, using the SDS first-aid section as your source. | _______ |
| Practice one emergency drill (eyewash walk-through) so you know the path without looking. | _______ |
| Sign the contract only after you can explain two rules and where one piece of safety gear lives. | _______ |
Working solo? Put your own name in "Who" for every row.
- You will be able to locate and explain the use of key lab equipment.
- You will be able to find hazard and first-aid information on a Data Sheet.
- You will be able to put on and remove gloves and goggles safely.
- 1Do thisPractice the safety rules and learn to read a Safety Data Sheet so you can work safely with lab materials all year.
- 2Use this resource
- 3Submit thisExit ticket: Name two safety rules and locate one piece of emergency equipment from memory; written on an index card or typed.
- 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) › Course launch, safety, Smith family case, intervention categories, and the daily submission routine. › Exit ticketOpen 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.
A is not a test you can fail. It shows where you start so we can measure how far you grow.
works because you find the equipment and read the hazards before an accident, so that in an emergency you act instead of read.
A pilot uses a preflight checklist before the aircraft moves.
- Which checks happen before action?
- Which hazard does each check control?
- What happens if a familiar step is skipped?
A routine works when each action controls a named hazard before exposure begins.
A laboratory hazard can change during a procedure, so students must keep monitoring conditions after the checklist.
- • 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.
Driving question: A chemical just splashed toward a lab tech's eyes. In the ten seconds that matter, what did they already have to know, and where did they learn it?
What you already know: A is not a test you can fail. It shows where you start so we can measure how far you grow.
New idea: works because you find the equipment and read the hazards before an accident, so that in an emergency you act instead of read.
Visual or model: F1. F1. A lesson illustration or teaching diagram for Lab safety and SDS practical. 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 Lab and SDS practical.
- Organize the observation with a stable evidence ID.
- Apply this rule: A routine works when each action controls a named hazard before exposure begins.
- Choose the option the evidence supports and state the limit of the conclusion.
Real biomedical example: A chemical just splashed toward a lab tech's eyes. In the ten seconds that matter, what did they already have to know, and where did they learn it?
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.
- • intervention: A planned action taken to treat, prevent, or change a health outcome, such as a medicine, procedure, or change in behavior.
- • diagnosis: The process of identifying a disease or condition by examining symptoms, history, and test results to explain what is wrong.
- • prognosis: The likely course and outcome of a disease ahead: diagnosis says what the condition is, while prognosis says what it means for the patient.
- • evidence: The facts, data, and cases that carry your claim. Opinions are free; evidence costs homework.
- • : Practices and precautions that protect people from harm, such as wearing protective equipment and handling hazards correctly in a lab or clinic.
- • PPE: Personal protective equipment, the gear like gloves, goggles, lab coats, and masks worn to shield the body from chemical, biological, or physical hazards.
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 Data Sheet has 16 sections; Section 2 lists hazards and Section 4 gives first-aid steps.
Limit: E1 supplies context or an observation; it does not by itself establish the explanation.
works because you find the equipment and read the hazards before an accident, so that in an emergency you act instead of read.
Limit: E2 is a teaching statement or comparison and must be checked against the task evidence.
You will be able to locate and explain the use of key lab equipment.
Limit: E3 supports only the result or product criterion named here; it cannot justify a broader clinical or causal claim.
PLTW-GEND-2026-08-31 · Simulated classroom evidence scenario
Your role: medical interventions team member
Decision: Your team must decide what the evidence from Lab and SDS practical supports before submitting the exit response named on the lesson page.
- • Proceed because the readiness evidence is complete.
- • Pause and correct the named setup or gap.
- • Repeat the measurement because quality controls are not acceptable.
Response: State one choice, cite at least two evidence IDs, explain the rule that connects them, and add one limitation. Submit it as the exit response.
Claim ceiling: The supplied lesson evidence can support an observation, pattern, classroom mechanism, or next-step decision about Lab and SDS practical. 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 Lab and SDS practical supports before submitting the exit response named on the lesson page.
Context: Knowing where the equipment is and how to read a chemical's hazards before an accident is what makes a lab a place where no one gets hurt.
- • T1: Walk the room and locate the eyewash, fire blanket, sharps container, and chemical spill kit; sketch a quick map.
- • T2: Put on goggles and gloves correctly, then practice the safe way to remove gloves without touching the outside.
- • T3: Open a provided Data Sheet and find Section 2 (hazards) and Section 4 (first aid) for one chemical.
- • T4: Write what to do if that chemical splashes in your eyes, using the SDS first-aid section as your source.
- • T5: Practice one emergency drill (eyewash walk-through) so you know the path without looking.
- • T6: Sign the contract only after you can explain two rules and where one piece of safety gear lives.
- • E1: A Data Sheet has 16 sections; Section 2 lists hazards and Section 4 gives first-aid steps.
- • E2: works because you find the equipment and read the hazards before an accident, so that in an emergency you act instead of read.
- • E3: You will be able to locate and explain the use of key lab equipment.
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 practical. 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 you can look up information when something goes wrong. The trap: in an emergency there is no time to look it up, so you find the eyewash and read the SDS before you start, not during the accident
Two safety rules I will follow:
- Put goggles and gloves on before opening any chemical, and remove gloves inside-out so I never touch the outside.
- Always know where the eyewash and spill kit are before I start, not after something spills.
One piece of emergency equipment and where it lives:
- The eyewash station is on the left side of the back sink. If a chemical splashes my eyes, I walk straight to it and rinse for 15 minutes with my eyes open while a partner gets the teacher.
From the SDS for the chemical I read (Section 2 hazards, Section 4 first aid): it can irritate eyes, so the first-aid step is to flush with water for several minutes and remove contact lenses if present.
This model shows the level of evidence and organization needed to complete: A short written check that proves you can name lab safety rules and point to emergency equipment from memory before you sign the lab safety contract.
- Name the prompt or task.
- Answer it directly with the key evidence.
- Check that the response matches the requested format.
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: Sign the safety contract after you can explain two rules and one equipment location.
- 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 Lab safety and SDS practical. 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 Course launch, , SDS, notebook setup by path:Medical-Interventions/Unit-1_How-to-Fight-Infection/00_Unit-Overview; keywords:intervention. Score 130. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).
Use this after the required lesson work when you are ready for a harder application or a deeper connection.
Placement rationale
Matched Course launch, , SDS, notebook setup by path:Medical-Interventions/Unit-1_How-to-Fight-Infection/00_Unit-Overview; keywords:safety. Score 126. 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 Lab and SDS practical. It cannot by itself prove causation, establish a real clinical diagnosis, or justify action outside this classroom task.
Which section of a Safety Data Sheet tells you what to do if a chemical gets in your eyes, and why do you find it before the accident?
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: Put gloves on before you touch anything wet or biological. To take them off, peel each one inside-out so the outside never touches your skin, then wash your hands. My data table is ready before materials are handled.
Finish the checklist before you handle any material.
- • Put gloves on before you touch anything wet or biological. To take them off, peel each one inside-out so the outside never touches your skin, then wash your hands.
- • Find the eyewash and the clear path to it now, before any chemical is ever open. You should be able to reach it with your eyes closed.
- • No open flames or chemicals during the safety practice day.
- • Your signed safety contract must be on file before you can do any lab. Hand yours in today, and take the online safety test.
- 1Before materials are handled, identify the purpose, variables or comparison, controls, measurement units, and stop-work condition.
- 2Walk the room and locate the eyewash, fire blanket, sharps container, and chemical spill kit; sketch a quick map.
- 3Put on goggles and gloves correctly, then practice the safe way to remove gloves without touching the outside.
- 4Open a provided Safety Data Sheet and find Section 2 (hazards) and Section 4 (first aid) for one chemical.
- 5Write what to do if that chemical splashes in your eyes, using the SDS first-aid section as your source.
- 6Practice one emergency drill (eyewash walk-through) so you know the path without looking.
- 7Sign the safety contract only after you can explain two rules and where one piece of safety gear lives.
- 8Record each result in the prepared table before interpreting it. Mark missing, repeated, or invalid results truthfully.
- 9Complete 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.
If you miss the practical, complete the assigned virtual lab-safety walkthrough and SDS reading, then submit answers to the same SDS hazard and first-aid questions before returning to lab work.
OSHA Laboratory Safety resourcesThen submit your Exit ticket. 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:
OSHA: Hazard Communication & Safety Data Sheets (authoritative)- 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.