A piece of lab equipment that is properly used for stirring is a
graduated cylinder
wash bottle
scoopula
stirring rod
In an experiment, the things that are the same in both groups are called
variables
constants
placebos
In an experiment, there are two groups. One gets experimented on, and the other stays the same to be used for comparison. The one that is used for comparison is called the
variable group
control group
constant
When conducting an experiment, the change controlled by the experimenter is called the
independent variable
dependent variable
When you see something that has scientific claims, what is one way you could tell it is suspicious?
It cites a specific medical professional.
It is convincing.
It only refers to vague sources.
all of the above
none of the above
When must goggles be worn in the lab?
always
when working with animals
when it is cold
when working with heat, glassware, or chemicals
never
When a scientist interprets an experiment, he may hope it will come out with a certain result. If he lets that influence his interpretation, he is
biased.
anecdotal.
a philosopher.
independent.
A friend of yours tells you that her sister got sick after eating soup, so you should stop eating soup. This is not credible science because
your friend is biased against soup.
your friends is a well-known liar.
this is an anecdote
this is not observable.
A few years ago, at the CERN lab in Switzerland, an important scientific discovery was made. They were able to detect a particle called the Higgs Boson particle. While exciting, this was not considered scientific fact for another year. Why?
It was biased.
It was anecdotal.
It was a year before it could be measured.
It was a year before it could be repeated.
If you get chemicals in your eyes, what is the minimum amount of time to use the eyewash?
8 seconds
20 seconds
1 minutes
20 minutes
Which piece of lab equipment is best used for measuring volatile liquids when precision is not needed?
graduated cylindar
beaker
round bottom flask
Erlenmeyer flask
funnel
Which piece of lab equipment is best used for measuring liquids precisely?
graduated cylindar
beaker
round bottom flask
Erlenmeyer flask
funnel
Which piece of lab equipment is NOT used for measuring?
graduated cylindar
beaker
round bottom flask
Erlenmeyer flask
triple beam balance
Which piece of lab equipment is used for measuring mass?