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A quantitative change is a change in measurement(length) while a qualitative change is a change wich is observed using the five senses which cannot be measured(color)

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What is used for heating sterilization and combustion in a science lab?

A Bunsen burner is commonly used for heating, sterilization, and combustion in a science lab. It provides a consistent and adjustable flame that can reach high temperatures for various lab procedures.


Why should you never eat or drink anything in a science lab?

Eating or drinking in a science lab is not recommended because substances in the lab can be toxic or harmful if ingested. Consuming food or beverages in a lab also increases the risk of contamination, as particles can fall into samples or experiments, compromising the results and posing a safety hazard.


Why can't we take school bags to the science lab?

Lab safety rulesYour science teachers have determined that having the bags in the lab is a safety hazard. Your safety in the lab is the most important consideration for your teacher when she writes down her rules.


Why do you use mask in a science lab?

Their is only 3 options why you Have to wear a mask inside of a science lab.To keep you safePrevent chemical from going into your eyesGas and other dangerous things that you will see in a lab and prevent you from getting hurt.So it is really important that you wear a mask at all times when inside of a Science lab.


Why should you never eat in a science lab?

You should never eat in a science lab because food particles can contaminate experiments, leading to inaccurate results or dangerous chemical reactions. Additionally, consuming food and drinks in a lab increases the risk of accidentally ingesting harmful substances.