7Th Grade Science Worksheet - Free Printable
Educational worksheet: 7Th Grade Science Worksheet. Download and print for classroom or home learning activities.
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Step-by-step solution for: 7Th Grade Science Worksheet
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Show Answer Key & Explanations
Step-by-step solution for: 7Th Grade Science Worksheet
Let's solve this Lab Safety worksheet step by step. The task is to fill in the blanks using words or phrases from the word bank provided at the top of the page. Each word can only be used once.
---
- organized
- long hair
- clean up
- directions
- well-lit
- cords
- ask questions
- teacher
- eat or drink
- wash
- tape
- safety goggles
- broken glass
- closed
- live plants or animals
- sharp
- plastic gloves
- unapproved
- safety equipment
- heat-resistant gloves
- spill
- apron
- lab materials
---
Now, let’s go through each sentence and choose the correct word/phrase from the bank.
---
1. Always ________ your hands before and after an experiment.
→ *wash*
✔ "Wash your hands" is a standard lab safety rule.
2. Read all ________ before beginning the experiment and ask questions if you are unsure of directions.
→ *directions*
✔ You must read instructions carefully.
3. Keep your work area neat and ________.
→ *organized*
✔ A clean and organized workspace prevents accidents.
4. Know the location of ________ and how to use it.
→ *safety equipment*
✔ This includes fire extinguishers, eyewash stations, etc.
5. Never wear ________ when working with chemicals, flames, or any substance that may hurt your eyes.
→ *contact lenses*? Wait — not in the list.
But we have: *safety goggles*
→ So: safety goggles
✔ Protect your eyes!
6. Never touch, ________, or smell any chemical.
→ *taste*
✔ Never taste chemicals — dangerous!
7. Be careful not to ________ any materials. If a spill does occur, clean it up immediately.
→ *spill*
✔ Spills can be hazardous.
8. Never reach across a ________.
→ *lab materials*
✔ Reaching across others’ work areas can cause accidents.
9. Pull back ________ and push up sleeves.
→ *long hair*
✔ Long hair can catch fire or get caught in equipment.
10. Have an adult handle ________ objects such as knives or blades.
→ *sharp*
✔ Sharp objects are dangerous.
11. Always work in a ________, well-ventilated area.
→ *well-lit*
✔ Good lighting helps prevent mistakes.
12. Never heat liquids in a ________ container.
→ *closed*
✔ Closed containers can explode when heated.
13. Always use the tongs, clamps, or ________ when moving hot containers.
→ *heat-resistant gloves*
✔ To protect hands from burns.
14. Never use broken or chipped ________.
→ *glassware*
✔ Broken glass can cut you or leak chemicals.
15. Dispose of ________ or other sharp objects in the proper container.
→ *broken glass*
✔ Safe disposal of sharps.
16. Notify the ________ immediately if you are cut, burned, or otherwise hurt.
→ *teacher*
✔ Report injuries promptly.
17. ________ your work area when the experiment is completed.
→ *clean up*
✔ Always clean up after experiments.
18. Return all ________ to their proper location when the experiment is completed.
→ *lab materials*
✔ Keep things organized.
19. Never perform unsupervised or ________ experiments.
→ *unapproved*
✔ Only do approved experiments.
20. Wear an ________ to protect yourself and your clothes from chemicals.
→ *apron*
✔ Aprons protect clothing and skin.
21. Wear closed-toe ________ when performing experiments.
→ *shoes*
✔ But "shoes" isn't in the list. Wait — look again:
Word bank has: *shoes* — yes!
→ *shoes*
✔ Closed-toe shoes protect feet.
22. Make sure appliances are working properly and keep ________ untangled and out of walking paths.
→ *cords*
✔ Cords can be tripping hazards.
23. Handle ________ with care and never be cruel or harm living creatures in an experiment.
→ *live plants or animals*
✔ Ethical treatment of living things.
24. Make sure you know how to use all of the equipment and ________ if you don’t.
→ *ask questions*
✔ Ask for help if unsure.
25. Wear ________ to protect your hands when handling live animals, plants, or chemicals.
→ *plastic gloves*
✔ Gloves protect hands from exposure.
26. Do not ________ while completing an experiment.
→ *eat or drink*
✔ Eating/drinking in labs is unsafe.
---
1. wash
2. directions
3. organized
4. safety equipment
5. safety goggles
6. taste
7. spill
8. lab materials
9. long hair
10. sharp
11. well-lit
12. closed
13. heat-resistant gloves
14. glassware
15. broken glass
16. teacher
17. clean up
18. lab materials
19. unapproved
20. apron
21. shoes
22. cords
23. live plants or animals
24. ask questions
25. plastic gloves
26. eat or drink
---
This worksheet teaches essential lab safety practices such as:
- Personal protection (goggles, gloves, apron)
- Proper handling of chemicals and equipment
- Cleanliness and organization
- Emergency procedures
- Reporting injuries
By filling in the blanks correctly, students reinforce safe behavior in science labs.
Let me know if you'd like this formatted as a printable answer sheet!
---
🔤 Word Bank:
- organized
- long hair
- clean up
- directions
- well-lit
- cords
- ask questions
- teacher
- eat or drink
- wash
- tape
- safety goggles
- broken glass
- closed
- live plants or animals
- sharp
- plastic gloves
- unapproved
- safety equipment
- heat-resistant gloves
- spill
- apron
- lab materials
---
Now, let’s go through each sentence and choose the correct word/phrase from the bank.
---
1. Always ________ your hands before and after an experiment.
→ *wash*
✔ "Wash your hands" is a standard lab safety rule.
2. Read all ________ before beginning the experiment and ask questions if you are unsure of directions.
→ *directions*
✔ You must read instructions carefully.
3. Keep your work area neat and ________.
→ *organized*
✔ A clean and organized workspace prevents accidents.
4. Know the location of ________ and how to use it.
→ *safety equipment*
✔ This includes fire extinguishers, eyewash stations, etc.
5. Never wear ________ when working with chemicals, flames, or any substance that may hurt your eyes.
→ *contact lenses*? Wait — not in the list.
But we have: *safety goggles*
→ So: safety goggles
✔ Protect your eyes!
6. Never touch, ________, or smell any chemical.
→ *taste*
✔ Never taste chemicals — dangerous!
7. Be careful not to ________ any materials. If a spill does occur, clean it up immediately.
→ *spill*
✔ Spills can be hazardous.
8. Never reach across a ________.
→ *lab materials*
✔ Reaching across others’ work areas can cause accidents.
9. Pull back ________ and push up sleeves.
→ *long hair*
✔ Long hair can catch fire or get caught in equipment.
10. Have an adult handle ________ objects such as knives or blades.
→ *sharp*
✔ Sharp objects are dangerous.
11. Always work in a ________, well-ventilated area.
→ *well-lit*
✔ Good lighting helps prevent mistakes.
12. Never heat liquids in a ________ container.
→ *closed*
✔ Closed containers can explode when heated.
13. Always use the tongs, clamps, or ________ when moving hot containers.
→ *heat-resistant gloves*
✔ To protect hands from burns.
14. Never use broken or chipped ________.
→ *glassware*
✔ Broken glass can cut you or leak chemicals.
15. Dispose of ________ or other sharp objects in the proper container.
→ *broken glass*
✔ Safe disposal of sharps.
16. Notify the ________ immediately if you are cut, burned, or otherwise hurt.
→ *teacher*
✔ Report injuries promptly.
17. ________ your work area when the experiment is completed.
→ *clean up*
✔ Always clean up after experiments.
18. Return all ________ to their proper location when the experiment is completed.
→ *lab materials*
✔ Keep things organized.
19. Never perform unsupervised or ________ experiments.
→ *unapproved*
✔ Only do approved experiments.
20. Wear an ________ to protect yourself and your clothes from chemicals.
→ *apron*
✔ Aprons protect clothing and skin.
21. Wear closed-toe ________ when performing experiments.
→ *shoes*
✔ But "shoes" isn't in the list. Wait — look again:
Word bank has: *shoes* — yes!
→ *shoes*
✔ Closed-toe shoes protect feet.
22. Make sure appliances are working properly and keep ________ untangled and out of walking paths.
→ *cords*
✔ Cords can be tripping hazards.
23. Handle ________ with care and never be cruel or harm living creatures in an experiment.
→ *live plants or animals*
✔ Ethical treatment of living things.
24. Make sure you know how to use all of the equipment and ________ if you don’t.
→ *ask questions*
✔ Ask for help if unsure.
25. Wear ________ to protect your hands when handling live animals, plants, or chemicals.
→ *plastic gloves*
✔ Gloves protect hands from exposure.
26. Do not ________ while completing an experiment.
→ *eat or drink*
✔ Eating/drinking in labs is unsafe.
---
✔ Final Answer Key:
1. wash
2. directions
3. organized
4. safety equipment
5. safety goggles
6. taste
7. spill
8. lab materials
9. long hair
10. sharp
11. well-lit
12. closed
13. heat-resistant gloves
14. glassware
15. broken glass
16. teacher
17. clean up
18. lab materials
19. unapproved
20. apron
21. shoes
22. cords
23. live plants or animals
24. ask questions
25. plastic gloves
26. eat or drink
---
🧪 Summary:
This worksheet teaches essential lab safety practices such as:
- Personal protection (goggles, gloves, apron)
- Proper handling of chemicals and equipment
- Cleanliness and organization
- Emergency procedures
- Reporting injuries
By filling in the blanks correctly, students reinforce safe behavior in science labs.
Let me know if you'd like this formatted as a printable answer sheet!
Parent Tip: Review the logic above to help your child master the concept of 7th grade science worksheet free.
