Lab Safety Rules

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

• treat your hands with skin lotion

• wash your hands with soap and water

• wipe your hands on a towel

• wipe your hands on your clothes

Which of the following is the correct safety rule in the laboratory?

• Dispose corrosive liquids and solids into the sink

• Point the mouth of test tube away from your friend

• Pour the used solutions back into the bottle

• Tamper with electrical sockets

The diagram shows Osman getting ready to carry out an experiment on mixing an acid with an alkali. Which safety precaution did Osman forget?

• He should wear gloves

• He should wear a laboratory coat

• He should wear safety goggles

• He should wear a mask

All chemicals in the lab are to be considered dangerous

• True
• False

What should you do if you break glass in the lab?

• Tell the teacher, sweep up the glass, and put it in the broken glass container
• Tell the teacher, sweep up the glass, and dump it into the garbage
• Pick up the glass with your hands
• Ignore it; the teacher will clean it up

Part of lab safety includes reading the lab procedure...

• before doing the lab
• while doing the lab
• after doing the lab
• only if you think you really need it

You have been injured in the laboratory (cut, burn, etc.) The FIRST thing you should do is...

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

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

When should safety goggles be worn?

• at all times in the lab
• when you feel like it
• when liquids could splash into your eyes OR when using glassware

You should never ______ chemicals in the lab. 

• taste
• touch
• smell
• all of the above

Tags

NGSS.HS-ETS1-3