Safety in the Science Laboratory worksheet - Free Printable

Task: Complete the sentences about laboratory safety using the word bank.

#### Word Bank:
- safety goggles
- flame
- test tube
- away
- smell
- waft
- taste
- clean up
- follow
- ask
- mix
- run
- lids
- materials
- injury
- wash
- immediately

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Solution:

1. Before and after each experiment you should ______ your hands.
- Answer: wash
- Explanation: Washing hands is crucial to prevent contamination and ensure safety in the lab.

2. Read and ______ all instructions exactly.
- Answer: follow
- Explanation: Following instructions precisely is essential for safety and accurate results.

3. Always ______ your work area and equipment after an experiment.
- Answer: clean up
- Explanation: Cleaning up ensures a safe and organized workspace, preventing accidents and contamination.

4. Never put anything in your mouth or ______ any chemicals unless your teacher tells you to.
- Answer: taste
- Explanation: Tasting chemicals is extremely dangerous and should never be done without explicit permission.

5. Notify your teacher ______ if any chemical gets on your skin or clothing.
- Answer: immediately
- Explanation: Immediate notification is critical to address any exposure quickly and safely.

6. When not in use, always keep the ______ on bottles and containers.
- Answer: lids
- Explanation: Keeping lids on prevents spills and contamination of chemicals.

7. Never, ever ______ chemicals without the teacher’s permission.
- Answer: mix
- Explanation: Mixing chemicals without supervision can lead to hazardous reactions.

8. If you have any questions or don’t know what to do, ______ your teacher.
- Answer: ask
- Explanation: Asking for help ensures you understand the procedure and avoid mistakes.

9. When you mix or heat chemicals, never look directly into a ______.
- Answer: flame
- Explanation: Looking directly at a flame can cause eye damage.

10. Notify your teacher immediately if you get a cut or other ______ when performing an experiment.
- Answer: injury
- Explanation: Reporting injuries promptly ensures proper treatment and prevents further complications.

11. Always wear ______ when working with chemicals or other substances that might get in your eyes.
- Answer: safety goggles
- Explanation: Safety goggles protect your eyes from splashes and fumes.

12. Always point a test tube ______ from you and others when heating it.
- Answer: away
- Explanation: Pointing the test tube away reduces the risk of hot liquid or fumes being directed towards people.

13. Never directly ______ a chemical from the container. Wave your hand over the opening of the container and ______ the fumes towards your nose.
- Answer: smell, waft
- Explanation: Smelling chemicals directly is dangerous; wafting allows you to detect odors safely.

14. Never ______ or push anyone in the laboratory.
- Answer: run
- Explanation: Running increases the risk of accidents and collisions.

15. Keep your work area tidy and keep all ______ like clothing, hair, and paper away from a ______ or heat source.
- Answer: materials, flame
- Explanation: Keeping materials away from flames or heat sources prevents fires and accidents.

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Final Answer:

1. wash
2. follow
3. clean up
4. taste
5. immediately
6. lids
7. mix
8. ask
9. flame
10. injury
11. safety goggles
12. away
13. smell, waft
14. run
15. materials, flame

Boxed Final Answer:
\boxed{
\text{wash, follow, clean up, taste, immediately, lids, mix, ask, flame, injury, safety goggles, away, smell, waft, run, materials, flame}
}