Laboratory Safety Rules

Identify the laboratory safety symbol shown:

• Biohazard

• Flammable

• Corrosive

• Radioactive

Identify the laboratory safety symbol shown:

• Biohazard

• Flammable

• Corrosive

• Radioactive

Always point a heated test tube:

• away from you and toward others

• away from you and away from others

• at the floor

• toward you and away from others

To safely smell a chemical in the lab:

• sniff it slowly

• inhale the fumes directly from the container

• heat the substance before smelling

• gently wave the fumes toward your nose using a wafting motion

When using a flame to heat a test tube:

• don’t touch the heated test tube with your bare hand

• it’s OK to reach over the flame to get your materials

• don’t tie your hair back

• all of the above

What should you do if you accidentally spill some chemicals in the lab?

• Tell the teacher immediately

• Clean it up with paper towels and don’t tell the teacher

• Just leave it there for the custodian to clean up

• Either B or C

You see this safety symbol pictured below on a lab. Which of the following things should you be sure to do?

• Protect your hands by wearing gloves.

• Protect your clothing by wearing a lab apron.

• Be cautious when using sharp materials.

• Use a wafting motion to smell chemicals.

What does this safety symbol mean?

• Fire Safety

• Goggles

• Poison

• Watch out for pirates!

If you injure (hurt) yourself during a lab:

• don’t tell anyone

• tell the teacher immediately

• wait until the end of the experiment to tell the teacher

• wait until after class to go to the nurse

It is OK to use a glass test tube that has a small chip or crack in it as long as you are careful.

• True

• False