Laboratory Safety Procedures/Scientific Method

While performing an experiment in the lab you read that you will be working with an open flame, glass beakers, and water.  What are the correct pieces of safety equipment you must be wearing?

• gloves, goggles
• goggles, gloves, apron
• apron, goggles
• gloves, apron

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

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

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

• apply first aid yourself
• tell the science instructor at once
• see a doctor after school
• visit the school nurse after class

All chemicals in the lab are to be considered dangerous

• True
• False

 Horseplay or practical jokes in the laboratory are 

• okay if you are working alone
• not dangerous
• okay
• always against the rules

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

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

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

• True
• False

Which picture below shows proper lab attire and behavior?

• 
• 
• 
• 

A possible explanation to a problem that has not yet been tested.

• data

• theory

• hypothesis

• fact

Tags

NGSS.HS-PS1-2

A series of steps used by scientists to solve a problem or answer a question.

• scientific method

• recipe

• data collection

• metric system

Tags

NGSS.MS-LS1-1