Safety in the Science Laboratory worksheet - Free Printable
Educational worksheet: Safety in the Science Laboratory worksheet. Download and print for classroom or home learning activities.
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Step-by-step solution for: Safety in the Science Laboratory worksheet
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Show Answer Key & Explanations
Step-by-step solution for: Safety in the Science Laboratory worksheet
Let's solve the worksheet titled "Safety in the Science Laboratory" using the provided word bank.
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- safety goggles
- flame
- test tube
- away
- smell
- waft
- taste
- clean up
- follow
- ask
- mix
- run
- lids
- materials
- injury
- wash
- immediately
---
Now, let’s go through each sentence and fill in the blanks with the correct word from the word bank. We’ll also explain why each choice makes sense.
---
a) Before and after each experiment you should ___ your hands.
✔ wash
*Explanation:* It's a basic hygiene rule in labs to wash your hands before and after experiments to remove any harmful chemicals or contaminants.
---
b) Read and ___ all instructions exactly.
✔ follow
*Explanation:* You must carefully follow all instructions to ensure safety and proper procedure.
---
c) Always ___ your work area and equipment after an experiment.
✔ clean up
*Explanation:* Cleaning up prevents accidents and keeps the lab safe for others.
---
d) Never put anything in your mouth or ___ any chemicals unless your teacher tells you to.
✔ taste
*Explanation:* Tasting chemicals is extremely dangerous and strictly prohibited unless explicitly allowed by a teacher.
---
e) Notify your teacher ___ if any chemical gets on your skin or clothing.
✔ immediately
*Explanation:* Quick action is essential to prevent burns or other injuries.
---
f) When not in use, always keep the ___ on bottles and containers.
✔ lids
*Explanation:* Keeping lids on prevents spills, evaporation, and contamination.
---
g) Never, ever ___ chemicals without the teacher’s permission.
✔ mix
*Explanation:* Mixing chemicals without supervision can cause dangerous reactions.
---
h) If you have any questions or don’t know what to do, ___ your teacher.
✔ ask
*Explanation:* Asking for help is important to avoid mistakes and stay safe.
---
i) When you mix or heat chemicals, never look directly into a ___ ___ .
✔ test tube
*Explanation:* Looking directly into a test tube during heating or mixing could expose you to splashes or fumes.
---
j) Notify your teacher immediately if you get a cut or other ___ when performing an experiment.
✔ injury
*Explanation:* Any injury, no matter how small, should be reported right away.
---
k) Always wear ___ ___ when working with chemicals or other substances that might get in your eyes.
✔ safety goggles
*Explanation:* Eye protection is crucial to prevent chemical splashes from damaging your eyes.
---
l) Always point a test tube ___ from you and others when heating it.
✔ away
*Explanation:* Pointing the test tube away prevents hot liquids or gases from splashing toward people.
---
m) Never directly ___ a chemical from the container. Wave your hand over the opening of the container and ___ the fumes towards your nose.
✔ smell, waft
*Explanation:* You should never sniff chemicals directly; instead, waft (gently wave) the fumes toward your nose to avoid inhaling too much.
---
n) Never ___ or push anyone in the laboratory.
✔ run
*Explanation:* Running increases the risk of tripping, spilling chemicals, or knocking over equipment.
---
o) Keep your work area tidy and keep all ___ like clothing, hair and paper away from a ___ or heat source.
✔ materials, flame
*Explanation:* Flammable materials (like paper or hair) should be kept away from open flames to prevent fires.
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| Letter | Sentence | Correct Word(s) |
|--------|---------|-----------------|
| a | wash |
| b | follow |
| c | clean up |
| d | taste |
| e | immediately |
| f | lids |
| g | mix |
| h | ask |
| i | test tube |
| j | injury |
| k | safety goggles |
| l | away |
| m | smell, waft |
| n | run |
| o | materials, flame |
---
This worksheet teaches essential lab safety rules such as:
- Personal hygiene (washing hands)
- Following procedures
- Proper handling of chemicals
- Use of protective gear
- Emergency responses
These practices are critical to prevent accidents, injuries, and contamination in science laboratories.
Let me know if you'd like this turned into a printable version or want a quiz based on it!
---
Word Bank:
- safety goggles
- flame
- test tube
- away
- smell
- waft
- taste
- clean up
- follow
- ask
- mix
- run
- lids
- materials
- injury
- wash
- immediately
---
Now, let’s go through each sentence and fill in the blanks with the correct word from the word bank. We’ll also explain why each choice makes sense.
---
a) Before and after each experiment you should ___ your hands.
✔ wash
*Explanation:* It's a basic hygiene rule in labs to wash your hands before and after experiments to remove any harmful chemicals or contaminants.
---
b) Read and ___ all instructions exactly.
✔ follow
*Explanation:* You must carefully follow all instructions to ensure safety and proper procedure.
---
c) Always ___ your work area and equipment after an experiment.
✔ clean up
*Explanation:* Cleaning up prevents accidents and keeps the lab safe for others.
---
d) Never put anything in your mouth or ___ any chemicals unless your teacher tells you to.
✔ taste
*Explanation:* Tasting chemicals is extremely dangerous and strictly prohibited unless explicitly allowed by a teacher.
---
e) Notify your teacher ___ if any chemical gets on your skin or clothing.
✔ immediately
*Explanation:* Quick action is essential to prevent burns or other injuries.
---
f) When not in use, always keep the ___ on bottles and containers.
✔ lids
*Explanation:* Keeping lids on prevents spills, evaporation, and contamination.
---
g) Never, ever ___ chemicals without the teacher’s permission.
✔ mix
*Explanation:* Mixing chemicals without supervision can cause dangerous reactions.
---
h) If you have any questions or don’t know what to do, ___ your teacher.
✔ ask
*Explanation:* Asking for help is important to avoid mistakes and stay safe.
---
i) When you mix or heat chemicals, never look directly into a ___ ___ .
✔ test tube
*Explanation:* Looking directly into a test tube during heating or mixing could expose you to splashes or fumes.
---
j) Notify your teacher immediately if you get a cut or other ___ when performing an experiment.
✔ injury
*Explanation:* Any injury, no matter how small, should be reported right away.
---
k) Always wear ___ ___ when working with chemicals or other substances that might get in your eyes.
✔ safety goggles
*Explanation:* Eye protection is crucial to prevent chemical splashes from damaging your eyes.
---
l) Always point a test tube ___ from you and others when heating it.
✔ away
*Explanation:* Pointing the test tube away prevents hot liquids or gases from splashing toward people.
---
m) Never directly ___ a chemical from the container. Wave your hand over the opening of the container and ___ the fumes towards your nose.
✔ smell, waft
*Explanation:* You should never sniff chemicals directly; instead, waft (gently wave) the fumes toward your nose to avoid inhaling too much.
---
n) Never ___ or push anyone in the laboratory.
✔ run
*Explanation:* Running increases the risk of tripping, spilling chemicals, or knocking over equipment.
---
o) Keep your work area tidy and keep all ___ like clothing, hair and paper away from a ___ or heat source.
✔ materials, flame
*Explanation:* Flammable materials (like paper or hair) should be kept away from open flames to prevent fires.
---
✔ Final Answer Key:
| Letter | Sentence | Correct Word(s) |
|--------|---------|-----------------|
| a | wash |
| b | follow |
| c | clean up |
| d | taste |
| e | immediately |
| f | lids |
| g | mix |
| h | ask |
| i | test tube |
| j | injury |
| k | safety goggles |
| l | away |
| m | smell, waft |
| n | run |
| o | materials, flame |
---
🧪 Summary:
This worksheet teaches essential lab safety rules such as:
- Personal hygiene (washing hands)
- Following procedures
- Proper handling of chemicals
- Use of protective gear
- Emergency responses
These practices are critical to prevent accidents, injuries, and contamination in science laboratories.
Let me know if you'd like this turned into a printable version or want a quiz based on it!
Parent Tip: Review the logic above to help your child master the concept of science safety rules worksheet.
