Lab Safety and Lab Equipment Test

When should you tie back long hair or baggy clothing?

• When working with chemicals

• When working with a Bunsen burner

• When doing dissections.

• Any time you are working in the lab.

If you break glassware in the lab, you should...

• Tell the teacher immediately.

• Clean it up quickly before the teacher notices.

• Scream at the top of your lungs.

• Secretly clean it up.

When in the lab...

• long sleeves and loose clothing should be rolled up

• closed toe shoes should be worn

• long hair should be pulled back

• no dangling jewelry should be worn

Before leaving the lab you should always wash your hands.

• True 
• False

When smelling a chemical, your should always

• stick you nose closely to the chemical and inhale.

• put the chemical on your finger first and then smell it

• carefully WAFT the odor of the chemical toward your nose.

• you should always taste the chemical before you smell it

 After completing an experiment, all chemical wastes should be

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

Tags

NGSS.MS-ESS3-3

 The following footwear is best in the laboratory. 

• shoes appropriate for the weather
• open-toed shoes
• closed-toed shoes
• sandals

Hot glass looks the same as cold glass.

• True
• False

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

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

 Horseplay or practical jokes in the laboratory are 

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