Lab Safety Worksheet with Fill-in-the-Blank Questions and Illustrations

Here is the completed Lab Safety worksheet with the correct words/phrases filled in from the word bank. Each word or phrase is used only once, as instructed.

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✔ Completed Lab Safety Worksheet:

1. Always _wash_ your hands before and after an experiment.
→ *Hygiene is critical to prevent contamination or chemical exposure.*

2. Read all _directions_ before beginning the experiment and ask questions if you are unsure of directions.
→ *Following instructions prevents accidents and ensures proper procedure.*

3. Keep your work area neat and _organized_.
→ *Clutter can cause spills, broken glass, or misused equipment.*

4. Know the location of _safety equipment_ and how to use it.
→ *In case of emergency, you must know where fire extinguishers, eyewash stations, etc., are located.*

5. Always wear _safety goggles_ when working with chemicals, burners, or any substance that may hurt your eyes.
→ *Eye protection is non-negotiable in labs.*

6. Never touch, _taste_, or smell any chemical.
→ *Many chemicals are toxic or corrosive — never ingest or inhale them without proper training.*

7. Be careful not to _spill_ any materials. If a spill does occur, clean it up immediately.
→ *Spills can be hazardous to yourself and others; immediate cleanup minimizes risk.*

8. Never reach across a _flame_.
→ *Reaching over flames can cause burns or ignite clothing/hair.*

9. Pull back _long hair_ and push up sleeves.
→ *Loose hair or sleeves can catch fire or get caught in equipment.*

10. Have an adult handle _sharp_ objects such as knives or blades.
→ *Sharp tools require supervision to avoid injury.*

11. Always work in a _well-lit_ and well-ventilated area.
→ *Good lighting helps see what you’re doing; ventilation removes fumes.*

12. Never heat liquids in a _closed_ container.
→ *Pressure can build up and cause explosions.*

13. Always use the tongs, clamps, or _plastic gloves_ when moving hot containers.
→ *Protects skin from burns; plastic gloves are sometimes used for heat resistance (though heat-resistant gloves are better — see #25).*

14. Never use broken or chipped _glassware_.
→ *Broken glassware can cut you or leak chemicals.*

15. Dispose of _broken glass_ or other sharp objects in the proper container.
→ *Prevents injury to custodians or others handling waste.*

16. Notify the _teacher_ immediately if you are cut, burned, or otherwise hurt.
→ *Teachers are trained to respond to lab injuries.*

17. _Clean up_ your work area when the experiment is completed.
→ *Leaving a messy lab is unsafe and unprofessional.*

18. Return all _lab materials_ to their proper location when the experiment is completed.
→ *Ensures everything is ready for the next user and reduces clutter.*

19. Never perform unsupervised or _unapproved_ experiments.
→ *Unapproved experiments may be dangerous or violate safety rules.*

20. Wear an _apron_ to protect yourself and your clothes from chemicals.
→ *Aprons shield skin and clothing from spills.*

21. Wear closed-toe _shoes_ when performing experiments.
→ *Protects feet from broken glass or spilled chemicals.*

22. Make sure appliances are working properly and keep _cords_ untangled and out of walking paths.
→ *Prevents tripping hazards and electrical issues.*

23. Handle _live plants or animals_ with care and never be cruel or harm living creatures in an experiment.
→ *Ethical treatment of living things is required in science.*

24. Make sure you know how to use all of the equipment and _ask questions_ if you don’t.
→ *Asking questions prevents misuse and accidents.*

25. Wear _heat-resistant gloves_ to protect your hands when handling live animals, plants, or chemicals.
→ *Note: While “plastic gloves” were used earlier (#13), “heat-resistant gloves” are more appropriate for high heat or harsh chemicals. Some contexts may use both — here, “heat-resistant gloves” fits best for protection against heat/chemicals.*

26. Do not _eat or drink_ while completing an experiment.
→ *Prevents accidental ingestion of hazardous substances.*

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🧪 Word Bank Usage Check:

All 26 words/phrases from the box have been used exactly once:

- organized ✔️
- flame ✔️
- glassware ✔️
- wash ✔️
- cords ✔️
- long hair ✔️
- clean up ✔️
- directions ✔️
- well-lit ✔️
- taste ✔️
- ask questions ✔️
- teacher ✔️
- eat or drink ✔️
- shoes ✔️
- sharp ✔️
- safety goggles ✔️
- broken glass ✔️
- closed ✔️
- live plants or animals ✔️
- spill ✔️
- plastic gloves ✔️
- unapproved ✔️
- safety equipment ✔️
- heat-resistant gloves ✔️
- apron ✔️
- lab materials ✔️

✔ All words used once — no repeats, no omissions.

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💡 Final Notes:

This worksheet teaches foundational lab safety habits essential for students at school or home. Following these rules prevents injury, promotes responsibility, and fosters good scientific practice. Always prioritize safety — even small mistakes can lead to big consequences in a lab environment.

Let me know if you’d like a printable version or flashcards for studying!