Wear a safety-mask, rubber dish-washing gloves, (possibly raincoat for protection),
(depending on age) have parental supervision, Lay-down newspapers (lots... if you don't have newspapers use paper towels again lots), Long hair? tie it back in a ponytail, and if your having difficulties please ask your parents... better safe then sorry.
a controlled experiment is an experiment that has an iv, dv, and a control, is in a well handled environment, and the experiment is safely done.
It is important to listen to your teacher in a science lab because there is some very dangerous stuff in there which could harm you, so if you listen to your teacher, she/he can tell you what to do but safely!
Scientists need equipment and tools to help them accurately collect and analyze data as well as to safely conduct experiments. Without the right equipment and tools scientists would not be able to accurately interpret and measure data leading to inaccurate research results. Equipment and tools also provide safety for scientists while in the lab and help to ensure the safety of the environment. The types of equipment and tools that scientists need depend on the field of science they are in. For example a biologist may need a microscope magnifying glass and lab equipment to conduct experiments in a lab. An astronomer may need a telescope a computer and data analysis software to observe and analyze planets and stars. A chemist may need safety goggles lab equipment and measuring tools to work safely with hazardous materials.In summary scientists need equipment and tools to accurately collect and analyze data safely conduct experiments and protect their safety and the safety of the environment. The types of equipment and tools needed vary depending on the field of science but all scientists need some type of equipment and tools to successfully conduct their research.
so that you can safely smell a chemecal
paper,gas
a controlled experiment is an experiment that has an iv, dv, and a control, is in a well handled environment, and the experiment is safely done.
This object can hold some otters laboratory object, so you only have to put the laboratory objects in each hole.
Oxygen can be made and safely collected on a small scale in the laboratory using chemicals such as
when fire is in the lab, you should get anybody out of there safely. then, extinguish the fire if you can or call the fire brigade.
"Negative" and "positive" are not relevant for heat conduction. A metal wire will conduct both heat and electricity. Usually it won't conduct enough for practical purposes, because of its small cross-sectional area.
because our teacher is the person who is in charge of us . he or she is the person who have to make sure that everything is done safely.
It is important to listen to your teacher in a science lab because there is some very dangerous stuff in there which could harm you, so if you listen to your teacher, she/he can tell you what to do but safely!
The main objective was to land man on the moonand to return him safely to earth, he was to collect moon rocks and leave experiment instruments on the moon.
Most of the substances used in most laboratory experiments can be safely poured down a drain. However, laboratory experiments sometimes involve corrosive substances which would damage the plumbing if poured down the drain; they can also involve chemicals which, if they were to be mixed together as they are poured into the same drain, would undergo chemical reactions that might cause an explosion or a fire. And it is also possible that you are conducting experiments on highly toxic materials that would become an environmental hazard if poured down the drain. So not everything goes down the drain. You have to understand the nature of the substances that you are dealing with. Some thing go to a hazardous waste center instead, or can be neutralized in your own laboratory before you dispose of them.
To answer this question a voltage needs to be stated. Wire sizing is based on amperage that the wire can safely conduct. I = W/E. Amps = Watts/Volts.
There are many things that would have to be known to answer that fully, however, on the face of it, there might be a case against the school for not seeing to it that the teacher can safely teach. Check with a local attorney.
In the book "Scat" by Carl Hiaasen, the mean teacher, Mrs. Starch, is revealed to have been kidnapped by the eco-terrorists who were part of the story's plot. In the end, she is rescued by the main characters and returns safely to her family.