Safety in the Science Lab

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

• figure it out as you do the lab
• try several methods until something works
• ask the instructor before proceeding
• skip it and go on to the next part

After completing an experiment, all chemical wastes should be

• left at your lab station for the next class
• disposed of according to your instructor's directions
• dumped in the sink
• taken home

Tags

NGSS.HS-ETS1-3

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

• toward yourself
• toward your lab partner
• toward another classmate
• away from all people

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

• visit the school nurse after class
• see a doctor after school
• tell your teacher immediately
• apply first aid yourself

When gathering glassware and equipment for an experiment, you should

• read all directions carefully to know what equipment is necessary
• examine all glassware to check for chips or cracks
• clean any glassware that appears dirty
• all of the above

Broken glass should be picked up by the student and placed in the trash.

• True
• False

Hot glass looks the same as cold glass

• True
• False

Tags

NGSS.MS-PS1-4

Work areas should be kept clean and tidy.

• True
• False

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

• True
• False

Never leave a lit burner unattended.

• True
• False