When doing an experiment, it is important to follow all of the procedures EXCEPT ______________.

Question

Question 1 options:

wearing protective goggles


arranging and organizing the work space neatly


understanding the meaning of the safety precautions


using smaller beakers before using larger ones

Answer 1

2. Chemicals used in a laboratory investigation must be safely discarded. Which method is the safest way to dispose of chemicals at the conclusion of a laboratory activity?
Return the chemicals to their original container
Dispose of the chemical as instructed by your teacher
Mix the chemicals with water and pour them down the drain
Place the chemicals in plastic containers to throw into the trash

3. During Jack’s laboratory investigation he had to use a candle and matches. Which lab rule would be most important during this experiment?

tie back any loose hair and over sized clothing
keep chemicals away from the eyes and skin
wash hands thoroughly with soap and water
move electrical equipment away from the water

4. When should you wear goggles in the laboratory?
When they match your outfit
Only if you don't have corrective glasses
When you need to improve your vision
At all times or when so instructed to by the science teacher
5. Flammable materials like alcohol should never be dispensed or used near ________________.
an open flame


another student
a sink
an open door

6. In a laboratory, you should be cautious of _____________________.

Question 6 options:

loose clothing


dangling jewelry


flammable clothing


all of the above

The following footwear is BEST in the laboratory ________________________.

Question 7 options:

sandals


high heeled shoes


close toed shoes


open toed shoes

Playing (as opposed to working) in the laboratory is _________________________.

Question 8 options:

okay


not dangerous


okay as long as you are working


always against the rules

When you are finished working with chemicals, biological specimens, and other lab substances, always _______________________.

Question 9 options:

wipe your hands on your apron


wash your hands thoroughly with soap and water


wipe your hands on a towel


treat your hands with hand sanitizer

When working in a lab you should avoid inhaling vapors from any liquid used, but if directed to do so, the appropriate manner to use is:

Question 10 options:

place your nose into the beaker of liquid to inhale the vapor


lift the beaker up to your nose to inhale the vapors


pick a small sample of it up and inhale the vapors


place your hands over the beaker to waft the vapors

Before beginning a lab, it is important to read and understand the instructions-

Question 11 options:

occasionally


sometimes


always


never

All of the following are safety materials in the science classroom except:

Question 12 options:

goggles


cell phones


aprons


fire extinguisher

You have accidentally broken a test tube and spilled a chemical on the table. Which of the following best explains what you should do?

Question 13 options:

Use was and paper towels to clean up the spill; place the broken test tube in the disposal container specified by the teacher for sharp objects


Throw the glass into the nearest trash bin


Caution your lab partners to avoid the area and inform the teacher of the accident


Quickly dispose of the glass, wipe up the spill with the nearest cloth, and hope no on notices

Which of the following is not true?

Question 14 options:

The baggy look is not in, especially in the science lab


Long hair and shades are awesome in the science lab


Excess noise and carelessness will result in poor results and conclusions


It’s not cool to wear protective shoes in the science lab

Long hair, hanging jewelry, and loose clothing can be dangerous in a lab.

Question 15 options:
True
False

Answer 2

If you don't know most of these answers, please do not go near a science lab!

Answer 3

i need help can u give me the answers plz

Answer 4

1d 2c 3b 4a 5d
does dat help

Answer 5

its more than five question

Answer 6

there needs to be more

Answer 7

Do you really want nincompoop to answer the rest of your questions? Have you checked to be sure that the first five answers look right?

Answer 8

yes those are wrong

Answer 9

I'll be glad to check your answers for these questions.

Answer 10

I recommend you read your lab manual safety section thoroughly before going into your lab. If you have questions about any one of them please talk to your laboratory instructor for further instructions.