bellringer 1.1 biology Flashcards
The _____should be used to smother chemicals that have caught fire.
fire blanket
it is _____permissible to taste substances in the lab to determine their identity.
never
if something breaks the first thing I should do it ______.
tell the teacher
lab stations should be __of clutter.
Free
if a chemical spill occurs, ________ the teacher/ instructor.
tell
A graduated cylinder is used to measure _________.
volume
A graduated cylinder is more ________ than a beaker for measuring volume.
accurate
the ground is wet is an example of a _______observation.
qualitative
A __________ variable is changed by the experimenter.
independent
There are two groups in every experiment, the control group and __________.
experiment