Chemistry Lab Safety (Grade 10)
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Chemistry Lab Safety
Read labels on containers and never use a chemical if the bottle is not labeled.
You should always hold containers near your face so you can see how you are pouring them.
Loose clothing should be worn at all times to prevent chemical spills from landing on skin.
Point test tubes away from yourself and others.
When testing for odors, hold the chemical about an arm's length away and wave your hand over it, cautiously sniffing from a distance.
When diluting a concentrated acid with water, add the water to the acid not the acid to the water. This prevents sudden over heating of the water.
When gathering glassware and equipment for a lab, you should:
- Read all the directions carefully
- Look for cracks and chips
- Clean dirty glassware
- All of the above
Chemicals should be stored
- according to their reactivity with other substances
- by alphabetical order
- in an off-site research facility
- in a dark room
When working with in the laboratory, the abbreviation, STP, refers to
- an additive for oil and other lubricants.
- starting time and position.
- standard temperature and pressure.
- standard testing protocol.
If you get a chemical in your eye, you should
- Blink very fast
- Flush your eyes in the eye wash for 15-20 minutes
- Hold your eyes tightly shut
- Rub your eyes to stimulate tearing
You are using a new chemical in lab that you have not seen before. Like all good scientists, you check the MSDS sheet. What is an MSDS sheet?
- A safety map of the classroom
- A list of safety rules for the class
- A summary of information about a hazardous chemical
- A contract between the chemical company and the school
What are the correct rules for working with chemicals in the class? Check all that are correct.
- dispose of all extra chemicals down the sink at the end of class
- know the safety precautions and hazards for all chemicals you are using before you start your lab
- if you come in contact with a chemical substance, jump up and down and shake to get it off you
- wash the affected area immediately and thoroughly with water
- if you get any in your eyes rub them to make them tear
- do not touch your eyes, wash them immediately and tell the teacher