What should be done to long hair before entering the lab
It should be tied back
What motion should he used so you do not inhale chemicals directly
The wafting motion (basically wave your hand in front of your nose and the chemical so you don’t inhale all of it at once)
If glass is broken what should be done
Let the teacher or supervisor know
True or false. after the lab is over, you can leave without cleaning up because it is the teachers job.
False. you should clean up the materials you used for a lab with your supervisors instructions. (unless there is broken glass/spilled chemicals)
True or false. Preforming lab experiments alone is allowed at all times.
False. You should only start an experiment is a supervisor is in the room
In what ways should you be attentive during the experiment?
Don’t leave Bunsen burners unattended or leave an experiment in progress without finishing it.
Where should glass be kept before it can be disposed in a safe manner?
A glass container
What should come off last after the lab is over
Eye protection and aprons
Before starting an experiment in the lab what important things should you know if there were an emergency?
The location of safety equipment, emergency phone numbers (like poison control), exits, and fire extinguishers, blankets, and alarms
What should be kept on your workspace during the experiment?
Only materials for the experiment and a possible notebook or paper to keep track of data
False. Glass should never be thrown in the trash because it can come in contact with someone who decides to push it down.
Before disposing possibly harmful chemicals into a sink or garbage can what should you do?
Ask a teacher if it is safe to dispose of these harmful chemicals or biological items.
should goggles be worn over prescription glasses or should the glasses just be worn by themselves
goggles should be worn over glasses. Most goggles are made to fit over them.
How can you prevent cross contamination
Place a small amount of the reactant in a clean beaker. If you were to accidental put too much of the chemical on the scale you can remove some of it and put it back in the beaker.
In case of a splash of chemicals or spill in your eye what should be done?
A supervisor should be alerted immediately so the student can safely use the eye wash to remove any harmful chemicals
if a previous class has used safety aprons before your class and possible chemicals might have been spilled how can you know which side to face away from your body?
If there is writing on the front this is where the chemicals could have potentially spilled. The side with writing should be faced away from your body.
How many chemicals can use the same spoon.
Only 1 spoon can be used for 1 chemical. if your using multiple chemicals use a supérate spoon for each one.
If there were a fire to occur due to a bunsen burner or heat plate what should be done?
The teacher should be notified and fire blankets, alarms, and extinguishers should be used.