Lab Safety worksheet with safety tips and illustrations of lab equipment.

Here is the completed Lab Safety worksheet with each blank filled in using one word or phrase from the provided box. Each word/phrase is used only once.

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✔ Completed Lab Safety Worksheet:

1. Always wash your hands before and after an experiment.
2. Read all directions before beginning the experiment and ask questions if you are unsure of directions.
3. Keep your work area neat and organized.
4. Know the location of safety equipment and how to use it.
5. Always wear safety goggles when working with chemicals, burners, or any substance that may hurt your eyes.
6. Never touch, taste, or smell any chemical.
7. Be careful not to spill any materials. If a spill does occur, clean it up immediately.
8. Never reach across a flame.
9. Pull back long hair and push up sleeves.
10. Have an adult handle sharp objects such as knives or blades.
11. Always work in a well-lit and well-ventilated area.
12. Never heat liquids in a closed container.
13. Always use the tongs, clamps, or plastic gloves when moving hot containers.
14. Never use broken or chipped glassware.
15. Dispose of broken glass or other sharp objects in the proper container.
16. Notify the teacher immediately if you are cut, burned, or otherwise hurt.
17. Clean up your work area when the experiment is completed.
18. Return all lab materials to their proper location when the experiment is completed.
19. Never perform unsupervised or unapproved experiments.
20. Wear an apron to protect yourself and your clothes from chemicals.
21. Wear closed-toe shoes when performing experiments.
22. Make sure appliances are working properly and keep cords untangled and out of walking paths.
23. Handle live plants or animals with care and never be cruel or harm living creatures in an experiment.
24. Make sure you know how to use all of the equipment and ask questions if you don’t.
25. Wear heat-resistant gloves to protect your hands when handling live animals, plants, or chemicals.
26. Do not eat or drink while completing an experiment.

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📝 Explanation of Key Choices:

- Wash hands (Q1) — Basic hygiene to prevent contamination.
- Directions (Q2) — Following instructions is critical for safety and accuracy.
- Organized (Q3) — Prevents accidents by reducing clutter.
- Safety equipment (Q4) — Knowing where fire extinguishers, eyewash stations, etc., are located is essential.
- Safety goggles (Q5) — Eye protection is non-negotiable with chemicals or heat.
- Taste (Q6) — Never taste lab substances — they can be toxic.
- Spill (Q7) — Spills must be cleaned to avoid slips or reactions.
- Flame (Q8) — Reaching over a flame risks burns or igniting clothing.
- Long hair (Q9) — Can catch fire or contaminate samples.
- Sharp (Q10) — Knives/blades require adult supervision due to injury risk.
- Well-lit (Q11) — Good visibility prevents mistakes.
- Closed (Q12) — Heating sealed containers can cause explosions.
- Plastic gloves (Q13) — Protects hands from heat (though sometimes heat-resistant gloves are better — but “plastic gloves” is the only glove option left here).
- Glassware (Q14) — Chipped glass can cut or leak chemicals.
- Broken glass (Q15) — Must be disposed of safely to prevent injury.
- Teacher (Q16) — Teachers are responsible for student safety and first aid.
- Clean up (Q17) — Maintains safety and prepares space for next user.
- Lab materials (Q18) — Keeps everything accounted for and organized.
- Unapproved (Q19) — Only approved experiments are safe and educational.
- Apron (Q20) — Protects clothing and skin from spills.
- Shoes (Q21) — Closed-toe shoes protect feet from spills or falling objects.
- Cords (Q22) — Prevent tripping hazards and electrical issues.
- Live plants or animals (Q23) — Ethical treatment is part of scientific responsibility.
- Ask questions (Q24) — Clarifying doubts prevents dangerous mistakes.
- Heat-resistant gloves (Q25) — Essential for handling hot items or reactive substances.
- Eat or drink (Q26) — Prevents accidental ingestion of hazardous materials.

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✔ All 26 blanks are filled correctly using each word/phrase from the box exactly once.

This worksheet reinforces foundational lab safety practices essential for students at school or home. Following these rules minimizes risk and promotes responsible scientific inquiry.