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- 1. Multiple Choice
Flammable materials, like alcohol, should never be dispensed or used near
an open door
an open flame
another student
a sink
- 2. 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
- 3. 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
- 4. Multiple ChoiceWhile performing lab using acids and bases you accidentally splash acid all over your face. What piece of safety equipment should you use immediately?fire blanketfire extinguishereye wash stationsafety shower
- 5. Multiple ChoiceWhich should not be used to measure the volume of a liquid?beakergraduated cylindersyringepipette
- 6. Multiple Choice
What safety symbol is this?Clothing ProtectionHand ProtectionEye ProtectionSharp Object Hazard - 7. Multiple ChoiceWhat hazard does this symbol indicate?flammableelectricalpoisoncaustic
- 8. Multiple ChoiceWhich of the following does NOT help explain why contact lenses should not be worn in lab?It is difficult to remove lenses after a chemical splashes on them.The lens is permeable (things pass through it) which causes irritation.Chemicals trapped under the lens will cause severe damage to the eye.The boy or girl that you like can not tell the true color of your eyes.
- 9. Multiple Choice
This is called_______________________?
Erlenmeyer Flask
Test Tube
Safety Gloves
Volumetric Flask
- 10. Multiple ChoiceYou should clean equipment :before you use it.after you use it.cleanliness doesn't matter.before and after you use it
- 11. Multiple ChoiceWhat is the correct procedure to follow when smelling the odor of a chemical substance?Fan your hand over the substance toward your nose which should be directly under the beaker.Place your nose directly over the substance and take a big whiff.Fan your hand over the substance toward your nose which should be several centimeters away from the substance.Place your nose near the opening if the beaker and inhale.
- 12. 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
- 13. Multiple ChoiceIf an acid is splashed on your skin, wash at once withsalt.oil.a base.plenty of water.
- 14. Multiple ChoiceWhat is used to store or heat chemicals?BeakerFlaskTest TubeGraduated Cylinder
- 15. Multiple Choice
P.A.S.S. refers to what?
A place assigned in school for self reflection
Pour all solutions slowly
How to use a fire extinguisher.
What to get when I go to the restroom.
- 16. Multiple ChoiceWhen mixing acid and water, what is the proper procedure?pour water into acidpour acid into waterpour both togetherdo not ever mix together
- 17. Multiple Choice
Function of a beaker...
stirring and mixing liquids
transferring solids
grips and lifts objects
measure amount of liquid you need in an experiment
- 18. Multiple ChoiceFunction of graduated cylinder...Measures massMeasures volumeMeasures lengthMixes chemicals
- 19. Multiple ChoiceHorseplay or practical jokes in the laboratory areokay if you are working alonenot dangerousokayalways against the rules
- 20. Multiple ChoiceGoggles must be worn when using:fire.glassware.chemicals.All of the above.
- 21. Multiple ChoiceIf you get chemicals in your eyes, you should flush them with water for:less than 10 minutes.15-20 minutes.10-12 minutes.you should never rinse your eyes.
- 22. Multiple ChoiceIf glassware becomes chipped or brokennotify the teacher immediatelythrow it in the trashdon’t do anything, just keep workingput it up on the counter so that the teacher can dispose of it
- 23. Multiple ChoiceYou notice a beaker half full of a leftover powdered chemical and you are pretty sure you know which chemical it is. You shouldAsk the teacher what to do with the chemicalPour the chemical back into the container you think it came fromPour the chemical into the garbage canPour the chemical down the drain with the water running
- 24. Multiple ChoiceName the following piece of lab equipment.scoopulapipettongs
- 25. Multiple ChoiceWhen should you tie back long hair or baggy clothing?When working with chemicalsWhen working with a Bunsen burnerWhen doing dissections.Any time you are working in the lab.
- 26. Multiple Choice
The following footwear is best in the laboratory.
shoes appropriate for the weather
crocs or flip flops
closed-toed shoes
sandals
- 27. Multiple ChoiceAppropriate dress for lab includes which of the followingClosed toed shoesPants/SweatsNo dangling jewelry or strings from hoodiesAll of these answers are correct
- 28. Multiple Choice
ring stand
utility clamp
buret clamp
iron ring
- 29. Multiple Choicepipette holderwire gauzeclay trianglecrucible
- 30. Multiple Choice
What is the name of this type of lab equipment?
beaker tongs
crucible tongs
Grabbers
test tube holder
- 31. Multiple ChoiceIf you do not understand a direction or part of a laboratory procedure, you shouldFigure it out as you do the labSkip it and go on to the next part.Ask the teacher before proceeding.Try several methods until something works.
- 32. Multiple ChoiceWhen working in the lab, you always...work with only members of your group with a business-like attitudeask questions when in doubt about proceduresclean up after yourselfall of the above
- 33. Multiple Choice
During lab, what do you do first?
read all directions
wash your hands
gather your materials
get the fire extinguisher
- 34. Multiple Choice
If you do not understand a direction or part of a laboratory procedure, you should
ask the teacher before proceeding.
skip it and go on to the next part.
figure it out as you do the lab.
try several methods until something works.
- 35. Multiple Choice
You are heating a piece of glass and now want to pick it up. You should
Use a rag or paper towels
Pick up the end that looks cooler
Use tongs
Pour cold water on it
- 36. Multiple Choice
If you wear contact lenses in the school laboratory,
Take them out before starting the lab
You do not have to wear protective goggles
Advise your science instructor that you wear contact lenses
Keep the information to yourself
- 37. Multiple Choice
Personal eyeglasses provide as much protection as
A face shield
Safety glasses
Splash proof chemical protector
none of the above
- 38. Multiple Choice
When you finish working with chemicals, biological specimens, and other lab substances, always
Treat your hands with hand sanitizer
Wash your hands thoroughly with soap and water
Wipe your hands with a clean paper towel
Wipe your hands on your lab apron and hurry to class
- 39. Multiple Choice
If a lab experiment is not completed, you should
Discuss the issue with your instructor
Come in during lunch and finish while eating lunch
Sneak in after school and work it out
Make up some results
- 40. Multiple Choice
You should pipette by mouth:
Always . It's a fast and efficient method of measuring liquids
Only when you can not find a pipette bulb
Only when you are sure your instructor is not looking
Never. You might just end up being very sick
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