1. LAB SAFETY REVEIW PAY VERY CLOSE ATTENTION

2. Approved eye protection devices (like goggles) are used in the laboratory… A) to avoid eye strain B) to wear only if you don’t have corrective lenses C) any time chemicals, heat, or glassware are used

3. After completing an experiment, all chemical wastes should be… A) left in the lab station for the next class B) dumped in the sink C) disposed of according to your instructor’s directions

4. You have been injured in the Lab (cut, burn, etc.). First you should… A) tell the science instructor at once B) apply first aid yourself C) ask to see a nurse

5. Spilled acid should be neutralized with… A) Paper Towels B) Alcohol C) water

6. You are heating a substance in a test tube. Always point the open end of the tube… A) towards no other person B) towards yourself C) towards your lab partner

7. When examining glassware and equipment for an experiment, you should… A) Read all directions carefully to know which equipment is necessary B) Examine all glassware for chips or cracks C) clean any glassware if necessary D) All of the above

8. Eye glasses provide as much protection as.. A) a face shield B) Splash proof chemical goggles C) none of the above

9. Long Hair in the laboratory must be… A) cut short B) held back with one hand C) tied back or kept entirely out of the way with a hair clip or other confining device

10. The following footwear is best in the lab: A) closed shoes B) sandals C) Open-toed shoes

11. In a lab, you should be cautious of… A) loose clothing B) dangling jewelry C) flammable clothing D) all of these

12. When you finish working with chemicals or other lab substances, always…. A) wash your hands thoroughly with soap and water B) treat hands with skin lotion C) wipe your hands on a towel

13. If an acid is splashed on your skin or clothing… A) wash it at once with a weak base B) wash it at once with plenty of water C) cover it with oil D) immediately apply lotion

14. Flammable materials like alcohol should never be dispensed or used near…. A) an open door B) an open flame C) another student

15. You have just heated a beaker of water to the boiling point. You need to pour the boiling water into another beaker. A) Pick up the beaker by the rim because it won’t be that hot there B) touch the side of the beaker quickly to see if it is too hot to pick up by hand C) use a paper towel D) use a rubber hot pad to pick up the hot beaker

16. If you are told to dilute some acid… A) pour the acid into water B) pour the water into the acid C) It doesn’t matter how you mix them

17. Which is not an important part of the personal protective equipment that must always be worn in the lab? A) safety goggles B) gas respirator C) closed-toed shoes

18. Why is food or drink not allowed in the lab? A) it can mix with chemicals and ruin the experiment B) it can easily spill and cause fire or other hazardous conditions C) it can easily become contaminated and cause you to ingest chemicals

19. What does MSDS stand for? A) Material Safety Data Sheet B) Most Safety Details for Science C) Mechanical Strategies and Details for Safety

20. Which step is not necessary in the event of a fire alarm or drill during a lab? A) turn off all burners B) close all chemical containers C) turn off all electrical equipment D) wash all chemicals down the drain

21. If chemicals are splashed on the skin or in the eyes, how long should you wash the affected area with water? A) less than 5 minutes B) 10-15 minutes C) 15-20 minutes D) until the area appears clean

22. What is the best way to put out a fire in a person’s hair or clothing? A) use the safety shower B) use the fire blanket C) use the sink or splash water on the person

23. Why is it necessary to report all accidents to the teacher? A) so that chemicals are cleaned up correctly B) so that injuries are treated correctly C) so that any waste can be disposed of correctly D) all of the above

24. Which is not an important piece of lab safety equipment? A) Bunsen burner B) Fire Extinguisher C) Eye wash station

25. If you accidently break a piece of glassware… A) pick up the pieces with your hands B) Sweep the pieces up and put them in the trash can C) Sweep the pieces up and put them in the designated glass disposal container

26. If you do not understand a direction or part of the lab procedure, you should… A) figure it out yourself B) ask the instructor before proceeding C) try several methods until something works