Lab Safety and Sig Figs

In a laboratory, the following should NOT be worn

• gloves

• open toed shoes

• apron

• goggles

If you do not understand a direction or part of a lab procedure, you should

• figure it out on your own as you go

• ask your teacher

• guess

• write a pros and cons list

Horseplay or practical jokes in the laboratory are

• ok as long as  you're done
• always accepted
• dangerous and could cause harm and invalidate the experiment
• fun

You have been injured in the laboratory (cut, burn, etc.). First you should

• apply first aid yourself
• tell the science instructor at once
• see a doctor after school
• visit the school nurse after class

You are heating a piece of glass and now want to pick it up. You should 

• pour cold water on it
• use tongs
• pick up the end that looks cooler
• use a rag or paper towels

A student can pick up any broken glass as long as they throw it in the trash.

• True

• False

Chipped or cracked glassware is okay to use.

• True
• False

If electrical equipment is damaged,

• try to fix it.

• report it to the teacher.

• use it anyway.

To put out a fire on a person's hair or clothes, use:

• the fire blanket.
• the wind from running.
• the fire extinguisher.
• any wet chemical you can find.

Any student can go into the science storage room if they need something.

• True

• False