Lab Safety & Lab Equipment

( Fill in the blank) Long hair should be ____________ in the laboratory.

• Tied Back

• Cut

• Curled

• Down

Answer explanation

Long hair should always be tied back to prevent it from getting into chemicals or any open flames!

 

(True or False) Horse playing is allowed in the laboratory

• True

• False

Answer explanation

Horseplay is NEVER allowed in the lab because it can cause accidents to happen.

(True or False) It is okay to pick up broken glass with your bare hands as long as the glass is placed in the trash can

• False

• True

Answer explanation

It is never ok to pick up any broken glass, always notify your teacher!

After completing an experiment, all chemical wastes should be

• Dumped into the sink

• In the trash

• Take Home

• Disposed of according to teacher's directions

Answer explanation

Always ask the teacher where chemicals should be disposed of.

 You are heating a substance in a test tube. Always point the open end of the tube

• Towards your body

• Away from all people

• Towards your lab partner

• Towards another classmate

Answer explanation

Always point the test tube away from everyone so that it does not splash at anyone.

The proper technique for smelling chemicals is ______________

• Wafting

• Keeping your nose close to the glassware

• Sniff only a small amount

• Trick question; you never smell chemicals

Answer explanation

You always want to use your hand to waft the chemicals never directly smell them.

Your goggles fog up you should

• Vent them immediately.

• Take them off and wipe them out.

• Move to an area away from the lab and vent them to clear them up.

• Work through it.

Answer explanation

If your goggles should fog up move away from the are and wipe them with a cloth.

Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present.

• True

• False

Before leaving the lab you should always wash or sanitize your hands.

• True

• False

When is it OK to eat or drink at the lab tables?

• Always

• Never

• Only during group work, not during labs

• Whenever I'm hungry