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Biology, Other Sciences
6th -
12thgrade
Lab Safety and Lab Equipment
45 questions
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- 1. Multiple ChoiceIf a laboratory fire erupts, immediatelynotify your instructorrun for the fire extinguisherthrow water on the fireopen the windows
- 2. Multiple ChoiceApproved eye protection devices (such as goggles) are worn in the laboratoryto avoid eye strainto improve your visiononly if you don’t have corrective glassesany time chemicals, heat or glassware are used
- 3. Multiple ChoiceIf you wear contact lenses in the school laboratorytake them out before starting the labyou do not have to wear protective gogglesadvise your science instructor that you wear contact lenseskeep the information to yourself
- 4. Multiple ChoiceIf you do not understand a direction or part of a lab procedure, you shouldskip it and go on to the next part.ask the instructor before proceedingtry several methods until something worksfigure it out as you do the lab
- 5. Multiple ChoiceAfter completing an experiment, all chemical wastes should betaken homedumped in the sinkdisposed of according to your instructor’s directionsleft at your lab station for the next class
- 6. Multiple ChoiceIf a lab experiment is not completed, you shouldmake up some resultscome in during lunch and finish while eating lunchsneak in after school and work alonediscuss the issue with your instructor
- 7. Multiple ChoiceYou are heating a substance in a test tube. Always point the open end of the tubeaway from all peopletoward another classmatetoward your lab partnertoward yourself
- 8. Multiple ChoiceYou are heating a piece of glass and now want to pick it up. You shouldpour cold water on ituse tongspick up the end that looks cooleruse a rag or paper towels
- 9. Multiple ChoiceYou have been injured in the laboratory (cut, burn, etc.). First you shouldapply first aid yourselftell the science instructor at oncesee a doctor after schoolvisit the school nurse after class
- 10. Multiple ChoiceWhen gathering glassware and equipment for an experiment, you shouldAll of the choicesclean any glassware that appears dirtyexamine all glassware to check for chips or cracksread all directions carefully to know what equipment is necessary
- 11. Multiple ChoicePersonal eyeglasses provide as much protection asnone of these answerssplashproof chemical gogglessafety glassesa face shield
- 12. Multiple ChoiceLong hair in the laboratory must betied back or kept entirely out of the way with a hair band, hairpins, or other confining devicealways neatly groomedheld away from the experiment with one handcut short
- 13. Multiple ChoiceIn a laboratory, the following should not be worn.all of the answersdangling jewelrysandalsloose clothing
- 14. Multiple ChoiceThe following footwear is best in the laboratory.shoes appropriate for the weatheropen-toed shoesclosed-toed shoessandals
- 15. Multiple ChoiceHorseplay or practical jokes in the laboratory areokay if you are working alonenot dangerousokayalways against the rules
- 16. Multiple ChoiceIf a piece of equipment is not working properly, stop, turn it off, and tellthe science instructoryour best friend in the classthe custodianyour lab partner
- 17. Multiple ChoiceWhen you finish working with chemicals, biological specimens, and other lab substances, alwayswipe your hands on your clotheswipe your hands on a towelwash your hands thoroughly with soap and watertreat your hands with skin lotion
- 18. Multiple ChoiceHot glass looks the same as cold glass.TrueFalse
- 19. Multiple ChoiceReturn all unused chemicals to their original containers.TrueFalse
- 20. Multiple ChoiceAll chemicals in the lab are to be considered dangerousTrueFalse
- 21. Multiple ChoiceWork areas should be kept clean and tidyTrueFalse
- 22. Multiple ChoicePipets are used to measure and dispense small amounts of liquids. You should draw the liquid into the pipet using your mouth.TrueFalse
- 23. Multiple ChoiceLaboratory work can be started immediately upon entering the laboratory even if the instructor is not yet presentTrueFalse
- 24. Multiple ChoiceNever remove chemicals or other equipment from the laboratory.TrueFalse
- 25. Multiple ChoiceChipped or cracked glassware is okay to use.TrueFalse
- 26. Multiple ChoiceRead all procedures thoroughly before entering the laboratoryTrueFalse
- 27. Multiple ChoiceAll unauthorized experiments are prohibited.TrueFalse
- 28. Multiple ChoiceLaboratory aprons should be worn during all lab activities.TrueFalse
- 29. Multiple ChoiceYou are allowed to enter the chemical preparation/storage area any time you need to get an itemTrueFalse
- 30. Multiple ChoiceIt’s okay to pick up broken glass with your bare hands as long as the glass is placed in the trash.TrueFalse
- 31. Multiple ChoiceNever leave a lit burner unattended.TrueFalse
- 32. Multiple Choicetest tube clamptongsring standburet clamp
- 33. Multiple Choicebeakergraduated cylindererlenmeyer flasktest tube
- 34. Multiple Choicebeakererlenmeyer flaskgraduated cylindertest tube
- 35. Multiple Choicebeakergraduated cylindertest tubeerlenmeyer flask
- 36. Multiple Choicebeakergraduated cylindererlenmeyer flasktest tube
- 37. Multiple ChoiceThe lab equipment seen in the image should be worn during a lab investigation when...using glassware.using chemicals.using heat/fire.using any of the above.
- 38. Multiple ChoiceTo be read accurately, one must place a graduated cylinder on a flat surface and measure at the bottom of the _______________ curve.CentrifugalCapillaryMeniscusInfinity
- 39. Multiple ChoiceA thermometer is used to measure temperature in which metric unit?Fahrenheit (°F)Celcius (°C)Kilometers (km)Liters (L)
- 40. Multiple ChoiceWhat is measured with a graduated cylinder?Passage of timeDistance from one thing to anotherWeight of an objectVolume of liquid
- 41. Multiple ChoiceWhat is special about graduated cylinders?They hold large quantities of liquid safelyThey measure small amounts very accurately. We use them when precision is important.They allow us to examine the liquid, we use them when looking for suspended solids.They are easily heated. We use graduated cylinders to heat liquids
- 42. Multiple ChoiceThe _________________ is used to simply hold or approximately measure a liquid.scaletest tubebeakerthermometer
- 43. Multiple ChoiceName the tool picturedscalpelEye dropperTweezerForceps
- 44. Multiple ChoiceUsed to pour liquids into containers with small openings or to hold filter paperFunnelBeakerGraduated CylinderFlask
- 45. Multiple ChoiceA device to measure the mass or “mass out” and object or substance.Triple Beam BalancepH MeterMortar & PestleGraduated Cylinder
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