WorksheetsObservations, CER, & Lab safety
Total questions: 10
Worksheet time: 6mins
Which of the following is an observation about the man in this picture:
After completing an experiment, all chemical and biological waste should be
left at your lab station for the next class.
taken home.
dumped in the sink.
disposed of according to your teacher’s directions.
You have been injured in the laboratory (cut, burned, etc.). First you should
visit the school nurse after class.
see a doctor after school.
tell the teacher at once.
apply first aid yourself.
Which of the following should NOT be worn during a laboratory activity?
loose clothing
dangling jewelry
sandals
all of the above
Horseplay, practical jokes, or pranks in the classroom/ lab are
always against the rules.
okay.
not dangerous
okay if you are working alone.
What is the definition for a claim?
A statement you believe to be false.
A statement that you believe to be true.
Evidence that proves something is right.
An opinion
What does evidence mean?
a statement that you believe to be true
an opinion
all scientific data that supports your claim
an argument
What does reasoning mean?
a good argument
an explanation that connects your evidence to your claim
a written response to a claim
an opinion you believe in
