Saint Gregory School
Science Lab
All levels - 2022
Lab quiz
Instructor: Mr. Araya & Mr. Villaplana
Date:
Time allotted: 20 mins
Total points: 14
Percentage: 2%
Points obtained: _______
Percentage obt. _______%
Grade:
Name: ___________________________________________Class: __________
General Instructions:
1. Read instructions very carefully before you complete each of the tasks.
2. Use black or blue ink only. Answers left in pencil will waive the right to
complain once the test is checked by the instructor.
3. Correction pen is not allowed. Ask your instructor how to correct any
mistakes.
4. Do not leave questions without answers. If you do not know the answer,
write “no answer.”
5. Illegible handwriting will not be checked.
6. Drawings and written things that are not related to the exam are not
allowed anywhere on this test.
7. Wait for your instructor patiently to answer your questions.
8. Specific questions about content, vocabulary will not be allowed.
9. The use of technological devices is prohibited during the test, except for
a scientific calculator.
10. Sit correctly, work silently and individually.
11. Check your quiz before handing it in. Once you have returned it, you
are not allowed to make any corrections or to add any other
information.
Observations (instructor’s comments):
Lab quiz 1: Safety
1. Explain with two reasons the importance of implementing safety
procedures in the science laboratory (2 pts, 1 pt for each correct reason).
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2. Choose a laboratory safety procedure or measure, write it down and
describe a situation where the selected measure can prevent a potential
accident or injury (2 pts, 1 pt for the correct safety measure and 1 pt for
the description of the situation).
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3. Identify and classify the following safety laboratory measures into personal
equipment (PE), emergency equipment (EE), housekeeping (H),
unauthorized activity (UA) or waste disposal (WD). Write the initials of each
category next to the safety measures (6 pts, 1 pt for each correct
identification).
a. All jewelry must be removed before getting into the lab.
(______________).
b. Floors should be free of hazards. (______________).
c. Transport only one or two bottles or containers at a time.
(______________).
d. Never play inside the lab. (______________).
e. Never put broken glass or ceramics in a regular waste container.
(______________).
f. C h e m i c a l s s h o u l d b e s t o r e d i n t h e i r o r i g i n a l c o n t a i n e r s .
(______________).
4. Identify if the following are laboratory safety measures by writing yes or no
next to each of the sentences (4 pts, 1 pt for each correct identification).
a. Gas burners should be lit only with a spark lighter. (______________).
b. Only drinks are allowed in the laboratory but not food. (______________).
c. Hazardous chemical waste including solvents, acids, and reagents
should be disposed of down sewer drains. (______________).
d. Never smell or taste chemicals or touch them with bare hands.
(______________).