Lab Safety Rules and Symbols

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

• tied back

• cut

• down

• curled

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

• true

• false

(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.

• true

• false

After completing an experiment, all chemical wastes should be

• dumped down sink
• taken home
• thrown in trash
• disposed of according to teacher's directions

Tags

NGSS.MS-ESS3-3

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

• towards your body
• toward your lab partner
• towards another classmate
• away from all people

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

• visit school nurse
• text your parent
• see a doctor after school
• tell teacher immediatly

The proper technique for smelling chemicals is ______________

• keeping your nose close to the glassware
• wafting
• to sniff only a small amount
• Trick question; you never are allowed to smell chemicals in class

Be alert and proceed with caution at all times in the lab.  _______________ immediately if any unsafe conditions you see.

• Assess and fix
• Notify the teacher
• Notify your lab group
• Call out, "Code 1"

Dress properly during lab activities; ________________________ are hazards in the lab.

• Long hair, dangling jewelry, and lose or baggy clothing
• Electricity, machines, and live animals
• Glasses and contact lenses
• long-sleeved shirts and long pants

Keeping your work area neat and clean is important because:

• My teacher is a neat-freak
• I won't lose my supplies in the clutter.
• It keeps the room from looking messy.
• It helps prevent accidents.