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WorksheetsBasic laboratory knowledge
Total questions: 17
Worksheet time: 6mins
What is this instrument called?
flask
pipette
micropipette
multichannel pipette
What should you do if you catch on fire?
RUN
Scream
Get in the chemical shower
Get on the ground and get someone to smother it with the fire blanket
What do you do if you spill a chemical?
Tell the teacher
Clean it up before anyone notices
Lick it up
Wipe it up with your shirt
Which laboratory apparatus would you use to measure 75ml of water accurately?
Which of the are the characteristics of a researcher
Honest
Creative
Curious
Lazy
Part of a Microscope:
It is the part that sharpens the image under high and low magnification.
fine focus
ocular lens
revolving nosepiece
coarse focus
The laboratory tool used to see or magnify minute things that cannot be seen by the naked eye. It uses lenses to produce greatly enlarged image of an object.
microscope
laboratory glasses
magnifying glass
Scientific Attitude:
Caroline sees some small creatures in a pond near her grandmother's house. She asks her friends what these creatures are. They tell her they are leeches.
objectivity
inventiveness
curiosity
intellectual honesty
Which of the following pieces of chemistry lab equipment produces a flame from gas that is used for heating substances?
Bunsen burner
induction cooker
crucible
stove
Wash the affected area with plenty of water if a chemical(化學品) gets onto the skin.
Do
Don't
Do experiments without teacher’s permission.
Do
Don't
Eat, drink, play or run about in the laboratory.
Do
Don't
Do dangerous experiments inside the fume cupboard(煙櫥).
Do
Don't
The following are some safety rules in a laboratory. Which one is not correct?
Do not eat or drink in the laboratory
Do not report any injury, however small, to the teacher
Do not taste chemicals in the laboratory
Do not run in the laboratory
Which of the following is the correct laboratory rule?
Eating in the laboratory while doing practical during lunch time
Running in the laboratory when he is in a hurry
Poking the electrical power points with sharp objects
Using the apparatus in the laboratory only when told to do the science teacher
A student working in a laboratory accidentally spilled concentrated hydrochloric acid on his hand. The most practical thing to do is __________.
To go to the hospital immediately
To rub the hand with a wet towel
To rub the hand with a dry towel
To wash the hand quickly under running water
