lab safety and written report

Question 1

1

Answer 1

Follow all written directions and verbal instructions carefully
Read the entire procedure prior to conducting the activity
Be familiar with the instructions for the experiment/activity
Understand and memorise the safety precautions

Question 2

2

Answer 2

Conduct yourself in a responsible manner at all times
Always work at your assigned place
Do not visit friends at another workstation. Stay at your lab station at all times.
Do not engage in playful behavior in the lab
Walk with care in the lab

Question 3

3

Answer 3

Never perform an experiment without your teacher’s permission

Question 4

4

Answer 4

Always wear a laboratory apron.

Question 5

5

Answer 5

Wear safety goggles when needed.

Wash goggles with soap and warm water, or using an anti-fog spray.

Question 6

6

Answer 6

No contact lenses in the lab

Chemicals can get between lenses and eyes.

Question 7

7

Answer 7

Wear the right clothing for lab work.
Do not wear necklace or any other dangling jewelry, (earing)
Take off neckties and wristwatch
Tie long hair or wear hairnet or headband
Wear cotton clothing
Wear closed toe shoes

Question 8

8

Answer 8

Lab table should only have your lab notebook, book, pencil, and require material and equipment.

Question 9

9

Answer 9

Food, beverage, and chewing gum is never allowed in the classroom and lab

Question 10

10

Answer 10

Never taste chemicals or touch them with your bare hands. Keep hands away from face and mouth while working

Question 11

11

Answer 11

Check all glassware for cracks.

Question 12

12

Answer 12

Be careful with hot plates and other heat sources
Keep body and clothing away from flame
Do not touch hot plate after turning off, or glassware and other apparatus
Never leave a heating container unsupervised.

Question 13

13

Answer 13

Be sure your hands are dry before using electrical equipment
Turn off electrical equipment before plugging in
Turn off when finished
Unplug before leaving lab, make sure to turn off first before unplugging

Question 14

14

Answer 14

Know the fire drill procedures and the locations of exits.

Question 15

15

Answer 15

For all chemicals, take only what you need.
Do not put leftovers back in the bottle.
Ask your teacher what to do with leftovers.

Question 16

16

Answer 16

If you spill a chemical on your skin, wash it off using the sink faucet. The report to teacher.

Question 17

17

Answer 17

Know the location and operations of the safety showers and eyewash stations.
If you clothes catch on fire walk to the safety shower and turn it on
If chemicals get in your eyes, immediately go to the eyewash station and lower your head so your eyes are in the runner water. Wash your eyes for 15 minutes, call your teacher while doing this.

Question 18

18

Answer 18

keep your work area clear and tidy.
After working, clean the work area and all equipment.
Do not throw solid waste into the sink
Pour liquids down the drain or appropriate storage bottles.
Clean up spills and accidents immediately.

Question 19

19

Answer 19

Always wash your hands with soap and water before you leave the lab

Question 20

20

Answer 20

If you experience a problem with your experiment, stop and ask the teacher for help.

Question 21

21

Answer 21

All accidents should be reported to your teacher, no matter how minor.

Question 22

22

Answer 22

All of these rules apply all of the time.

Question 23

how to convert meter to centimeter

Answer 23

multiply by 100

Question 24

how to convert meter to millimeter

Answer 24

multiply by 1000

Question 25

how to convert centimeter to millimeter

Answer 25

multiply by 10