Question

lab safety
when you perform an experiment at home or school, your first priority should be your safety and the safety of those around you. when you experiment at school, always follow your teachers or the books instructions and never try anything on your own without asking the teacher first.
complete each of the important safety tips below with a word or phrase from the box. each word or phrase will only be used once.
organized flame glassware wash cords
long hair clean up directions well - fit taste
ask questions teacher eat or drink shoes sharp
safety goggles broken glass closed live plants or animals spill
plastic gloves unapproved safety equipment heat - resistant gloves apron
lab materials

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 - ventilated area.
12. never heat liquids in a closed container.
13. always use the tongs, clamps, or heat - resistant gloves when moving hot containers.
14. never use broken or chipped glassware.
15. dispose of sharp 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 dont.
25. wear plastic gloves to protect your hands when handling live animals, plants, or chemicals.
26. do not eat or drink while completing an experiment.

© 2007 mcdonald publishing co. 9 mastering the scientific method

Explanation:

1. Washing hands is a basic hygiene - safety measure before and after an experiment.
2. Reading directions is crucial for proper experiment execution.
3. Keeping the work area organized helps in safety and efficiency.
4. Knowing safety equipment location is essential for emergencies.
5. Safety goggles protect eyes from harmful substances.
6. Eating, drinking, or tasting chemicals is extremely dangerous.
7. Avoiding spills and cleaning them up promptly prevent accidents.
8. Reaching across a flame is a fire - hazard.
9. Pulling back long hair and pushing up sleeves prevent them from getting caught or on fire.
10. Adults should handle sharp objects for safety.
11. Working in a well - lit and ventilated area is important for visibility and air quality.
12. Heating liquids in an unclosed container can cause splashing.
13. Heat - resistant gloves are used to handle hot containers.
14. Broken or chipped glassware can cause cuts.
15. Disposing of sharp objects properly prevents injuries.
16. Notifying the teacher in case of an injury is necessary for getting proper help.
17. Cleaning up the work area after the experiment is good practice.
18. Returning lab materials to their proper location helps in organization.
19. Performing only approved experiments ensures safety.
20. Wearing an apron protects clothes from chemical spills.
21. Closed - toe shoes protect feet during experiments.
22. Keeping cords untangled prevents tripping hazards.
23. Handling live plants or animals with care is ethical and safe.
24. Asking questions if unsure about equipment use is important.
25. Plastic gloves protect hands from contact with harmful substances.
26. Eating or drinking during an experiment is a safety risk.

Answer:

1. wash
2. directions
3. organized
4. safety equipment
5. safety goggles
6. eat or drink
7. spill
8. flame
9. long hair
10. sharp
11. well - lit
12. unclosed
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