Lab Safety and Hazard Symbols KS3 Science - Free Printable

Let's solve the Lab Safety worksheet step by step, based on the two pages shown.

---

Page 1: Lab Safety – Finding Your Way in the Science Lab

#### Task 2: Find and label the following items on the diagram

Here is a guide to help you identify and label each item in the lab diagram:

- Fire Blanket: Usually stored in a cabinet or on the wall near the exit. Look for a folded cloth in a metal case.
- Sand Bucket: A bucket labeled “SAND” (shown on the right side of the counter).
- Fire Extinguisher: Often mounted on the wall. Look for a red cylinder with a hose.
- Sink: The basin under the faucet on the counter.
- Glass Bin: A bin labeled “GLASS” (on the floor near the counter).
- Electrical Sockets: Outlets on the wall or countertop.
- Acid Bottles: Bottles with labels like “HCl”, “H₂SO₄”, etc., often in a cabinet or fume cupboard.
- Gas Taps: Valves connected to gas lines (usually near Bunsen burners).
- Safety Goggles: Worn over eyes; might be placed on the counter or in a container.
- Safety Mat: A non-slip mat on the floor near the work area.
- Bunsen Burner: A device used for heating—look for a stand with a burner nozzle.
- Eyewash Bottle: A large bottle with a spout for flushing eyes (often near sink).
- Fume Cupboard: A large enclosed hood above the workbench (used for toxic vapors).

> ✔ Use a pencil and ruler to draw lines from the labels to the correct objects. Use a pen to write the labels.

#### Task 3: Which of these things can you see in your lab?

This is a personal observation task. Example answers:
- Sink — Yes
- Fire extinguisher — Yes
- Safety goggles — Yes
- Fume cupboard — Yes
- Sand bucket — Maybe not visible always

You should list the ones present in your actual science lab.

---

Page 2: Lab Safety Rules!

The cartoon shows a chaotic lab with no safety rules. Let’s analyze it.

---

#### 1. List all the things going wrong in this lab

Here are the dangerous actions observed:

1. No safety goggles – Many students aren’t wearing eye protection.
2. Eating and drinking – Someone is eating while working with chemicals.
3. Running in the lab – Students are running, increasing risk of spills.
4. Working without supervision – No teacher monitoring.
5. Improper handling of glassware – A student is dropping a test tube.
6. Using open flames near flammable substances – A Bunsen burner is lit near liquids.
7. Spills on the floor – Liquid spilled, creating a slip hazard.
8. Unsecured equipment – Beakers and bottles left unattended.
9. Wearing inappropriate clothing – Loose clothes, no lab coats.
10. Playing with chemicals – One student is throwing a chemical.
11. Not using proper disposal methods – Chemicals being poured into sinks.
12. No fire safety precautions – No fire extinguisher visible.
13. Students sitting on stools – Not standing properly during experiments.
14. Using electrical devices improperly – Plugging something into an outlet near water.

---

#### 2. Write a safety rule for each problem

| Problem | Safety Rule |
|--------|-------------|
| No goggles | Always wear safety goggles when handling chemicals or doing experiments. |
| Eating/drinking | Never eat or drink in the lab. |
| Running | No running in the lab to avoid accidents. |
| No supervision | Always follow instructions and stay under teacher supervision. |
| Dropping glassware | Handle glassware carefully; never throw or drop it. |
| Open flame near chemicals | Keep flammable materials away from open flames. |
| Spilled liquid on floor | Clean up spills immediately to prevent slips. |
| Unsecured equipment | Keep all equipment secure and organized. |
| Inappropriate clothing | Wear appropriate lab attire (lab coat, closed shoes). |
| Playing with chemicals | Do not play with chemicals or misuse equipment. |
| Pouring chemicals down sink | Dispose of chemicals only in designated waste containers. |
| No fire extinguisher | Know where fire safety equipment is located. |
| Sitting on stools | Stay seated only when instructed; move safely. |
| Electrical hazards | Avoid using electrical devices near water. |

---

#### 3. Explain why each rule is important

1. Wear goggles: Protects eyes from splashes, flying particles, or fumes.
2. No eating/drinking: Prevents accidental ingestion of harmful chemicals.
3. No running: Reduces risk of tripping, knocking over equipment, or causing spills.
4. Supervision: Ensures proper procedures are followed and emergencies are handled.
5. Handle glassware carefully: Prevents breakage, cuts, and chemical exposure.
6. Keep flames away from flammables: Prevents fires or explosions.
7. Clean spills: Prevents slips, injuries, and contamination.
8. Secure equipment: Prevents accidents and loss of materials.
9. Proper clothing: Protects skin and body from burns or chemical contact.
10. No playing: Prevents misuse of dangerous materials.
11. Proper disposal: Prevents environmental harm and chemical reactions.
12. Know fire safety gear: Enables quick response in case of fire.
13. Sit safely: Prevents falls and improves focus.
14. Avoid electricity + water: Prevents electric shock.

---

CHALLENGE: Rank the safety rules by importance

Ranking (from most to least important):

1. Always wear safety goggles
→ Eyes are extremely sensitive; damage is irreversible. This protects vision.

2. Never eat or drink in the lab
→ Ingesting chemicals can cause poisoning or long-term health issues.

3. No running in the lab
→ Slip-and-fall accidents can lead to serious injuries or chemical spills.

4. Keep flammable materials away from open flames
→ Fire is one of the most dangerous risks in a lab.

5. Handle glassware carefully
→ Broken glass can cause cuts and release hazardous substances.

6. Dispose of chemicals properly
→ Improper disposal can cause pollution or dangerous reactions.

7. Wear proper clothing
→ Prevents skin exposure and burns.

8. Follow teacher instructions
→ Supervision ensures safety protocols are followed.

9. Clean up spills immediately
→ Prevents secondary accidents.

10. Use electrical devices safely
→ Prevents shocks and short circuits.

> 🎯 Explanation: The top-ranked rules involve protecting life-critical areas (eyes, ingestion) and preventing major disasters (fire, explosion). Lower-ranked rules are still important but less immediately life-threatening.

---

✔ Final Summary

This worksheet teaches lab safety awareness through:
- Identifying lab equipment
- Recognizing unsafe behaviors
- Learning and applying safety rules
- Understanding the importance and priority of safety measures

By completing this, students learn how to behave responsibly in a science lab and avoid accidents.

Let me know if you’d like a printable version or a completed labeled diagram!