You should have everything set out correctly.Which means you should have the notebook your going to make observations with and have your safety tools.
The instructor should explain the experiment and advise what safety equipment should be used.
In a classroom, students should not need to use any laboratory safety equipment. Lab safety equipment such as splash goggles, full foot covering, lab coat, etc., should be used when students are in a teaching laboratory.
so you can know more about the topic before you start
A manipulated variable. (Apex)
To answer this question we need to know what experiment you are doing. Some precautions to take in some experiments is to wear goggles, gloves, and not to stand over top of the experiment in case a gas is produced.
Long hair should be tied back when working in the laboratory
about 5*10^-5 mol/g (my experiment in laboratory)
A good laboratory to test out high voltage experiment should be a government owned laboratory, or one that is government approved.
U should replace the fuel and remove ur experiment
In a classroom, students should not need to use any laboratory safety equipment. Lab safety equipment such as splash goggles, full foot covering, lab coat, etc., should be used when students are in a teaching laboratory.
laboratory technician should indicate the exact time the sodium hydroxide should stand.
room temperature
Yes, you should always be sterile before performing any experiment as to not add any variables.
teachers must wear gloves before any experiment and she should also wear lab coat while doing the lab work. there should be proper management of chemicals with the name slip on them.
It depends on what your experiment was. You should ask a teacher or someone that you know who has done this before.
goggles it actually depends what experiment u r doing however u should wear goggles in each experiment also if the experiment is ;like picking up a pen or something. Don't drop it. It might break.
Wash your hands!
The scientist should prepare a culture of the cells. (apex)