lab rules Flashcards
(17 cards)
What is the most important rule in lab?
obeying what the teacher tells you
what should a student do if something goes wrong in the lab?
tell the teacher
What is the most important thing to remember when heating a test tube?
always point the mouth away from other people
what do you need to do if you have long hair?
tie it back so that it cannot catch on fire
you should not have an open flame when working with _______ _______.
flammable chemicals
what is used to measure mass?
triple beam balance
what unit of measurement is used for mass?
the gram
what is used to measure volume?
graduated cylinder
what unit of measurement is used for volume?
the liter (mL for the graduated cylinder)
what is used to measure length?
meter stick
what unit of measurement is used for length?
the meter (cm or mm for meter stick)
what is the proper way to carry a test tube?
with tongs
what piece of lab equipment, when used with a filter paper, removes undissolved solids from a liquid mixture?
funnel
what does the thermometer we use in Biology read temperature in?
degrees Celsius
how do you read a graduated cylinder?
get at eye level to read
which part of the curve is read when reading a graduated cylinder?
the bottom of the curve (the meniscus)
what piece of lab equipment dispenses small drops of liquid?
dropper pipette
