If a fire erupts, immediately.........

• Put it out!!

• Tell the teacher.

• Call your mother.

• Call 911

Approved eye protection devices (such as goggles) are worn in the laboratory

• to avoid eye strain.

• to improve your vision.

• only if you do not have corrective glasses.

• any time chemicals, heat, or glassware are used.

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

• Email a teacher

• Ask your friend

• Tell the teacher

• Just sit and wait

After completing an experiment, all chemical wastes should be

• Thrown away in the trash.

• Hidden in the corner

• Poured in the sink

• Put way according to the teacher's directions

Tags

NGSS.MS-ESS3-3

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

• Tell the teacher

• Cry and complain

• Tell your friend

• Clean with acid

Long hair in the laboratory must be

• cut short.

• always neatly groomed.

• held away form the experiment with one hand.

• tied back or kept entirely out of the way with a hair band, etc.

Which should be worn during a laboratory activity?

• 
• 
• 
• 

When you finish working with chemicals, biological specimens, and other lab substances, always

• wash your hands

• put your hands in your mouth

• rub your hands on others

• wave them in the air

The following activity is permitted in the laboratory:

• chewing gum

• eating

• drinking

• none of the above

When using a razor blade or scalpel, always cut material

• away from you.

• toward you.

• in your hand.

• perpendicular.